which is a property shared by most molecular compounds?
Answers
Most molecular compounds share the property of having low melting and boiling points.
This is because molecular compounds are held together by weak intermolecular forces rather than strong intramolecular forces. When heat is applied to the compound, the intermolecular forces are broken down, causing the molecule to separate into its individual atoms or molecules, which causes it to boil or melt.
Molecular compounds, often referred to as covalent compounds, are formed when atoms share electrons in a covalent bond to create molecules. Molecular compounds are nonmetals that can combine in various ratios to form a variety of molecules with varying sizes and shapes.
Examples of molecular compounds include H2O (water), CO2 (carbon dioxide), and CH4 (methane). They can exist as gases, liquids, or solids at room temperature, and they typically have low melting and boiling points and are insoluble in water.
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Related Questions
Which part of the brain is indicated by the arrow below? (2 points)
Answers
Answer:
Cerebrum
Explanation:
Which of the following is an example of when the Law of Dominance would happen?
A. BB X BB - blue
B. Bb - blue
C. bb - white
D. BB- blue
Answers
Answer:
Bb - blue
Explanation:
Is this show the dominant trait will take over for the recessive traits so the dominant trait will still be blue even though there is a recessive trait of white
The example that demonstrates an example of the law of dominance is Bb - blue.
LAW OF DOMINANCE:
According to Gregor Mendel, the law of dominance states that one allele of a gene can mask the phenotypic expression of another allele of the same gene. For example, in a gene coding for color in a particular organism. The allele for blue color (B) is dominant over the allele for white color (b). This act of dominance will only be showcased in a heterozygous genotype i.e. a combination of both blue and white allele (Bb). The phenotype of this organism will be blue because blue allele is dominant. Therefore, the example that demonstrates an example of the law of dominance is Bb - blue.Learn more at: https://brainly.com/question/2931799?referrer=searchResults
what is reflex action?
Answers
For example : when you touch a hot object you immediately remove your hand from it
What is thought to have caused the extinction at the end of the Cretaceous period
Answers
Answer:
To answer your question the most common belief of the mass extinction of the Cretaceous period was due to an asteroid impact.
Explanation:
Where are the high tides if the moon is in first quarter?
Answers
The first and third halves of the moon, when the moon seems to be "half full," are when neap tides occur.
When tides are at their peak, where is the moon?Every month, at perigee, when the moon is closest to Earth, tidal-generating forces are stronger than usual, resulting in tide ranges that are higher than typical. When the moon is at its furthest distance from Earth, or apogee, about two weeks later, the lunar tide-raising effect is weaker and the tidal ranges are smaller than usual.
How does a first quarter moon affect things?The Moon is facing the Earth and Sun at a 90-degree angle during this phase. The Moon appears to be partially lighted and partially in shadow. We observe what appears to be the right half during the first quarter.
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Which beetle has the greatest fitness in the evolutionary sense? A. A green beetle that produces a total of 98 offspring over the course of its lifetime and livesfor 10 yearsB. A green beetle that produces 20 offspring every year in its 5 year lifespanC. A brown beetle that produces 10 offspring every year in its 6 year lifespan D. A brown beetle that produces 20 offspring every year in its 2 yr lifespan and is larger andmore efficiently finds food than other beetles
Answers
The beetle has the greatest fitness in the evolutionary sense is B. A green beetle that produces 20 offspring every year in its 5 year lifespan
In the evolutionary sense, fitness refers to an organism's ability to survive and reproduce in its environment. Therefore, the beetle with the greatest fitness would be the one that produces the most offspring over the course of its lifetime. Based on the options provided, the beetle with the greatest fitness would be B. A green beetle that produces 20 offspring every year in its 5 year lifespan. This beetle would have a total of 100 offspring over the course of its lifetime (20 offspring x 5 years = 100 offspring), which is more than the other beetles listed.
While the other beetles may have other advantageous traits, such as a longer lifespan or greater size, the most important factor in determining fitness is the number of offspring produced. Therefore, the green beetle in option B has the greatest fitness in the evolutionary sense.
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Which part of a sound wave measures loudness? O wavelength O magnitude O amplitude O frequency
Answers
Wavelength and frequency are related to the tone/pitch of the sound.
Magnitude does not apply to sound waves.
Clownfish, sea anemone, coral, sea urchins, sponges, and parrot fish are just a few examples of the large variety of organisms that can be found in a coral reef. The coral reef and its inhabitants are suffering due to several factors such as pollution, coastal development, sedimentation and destructive fishing practices. What would be the most likely result if some of the species in the coral reef are destroyed? Other organisms would move into the coral reef area ⊝ The coral reef would be allowed to flourish without so many fish and plants living in and around it. ⊝ The coral reef would begin to deteriorate without the variety of fish and plants necessary to maintain balance. ⊝ The waters surrounding the coral reef will become cool with the decreasing number of organisms living there ⊝ CLEAR ALL ❮ PREVIOUS ... 6 7 8 9 10 11 12 13 14 15 ...
Answers
Answer: If some of the species in the coral reef are destroyed, (The coral reef would begin to deteriorate without the variety of fish and plants necessary to maintain balance)
Explanation:
CORAL REEFS is a ocean habitat that provides shelter for a variety of aquatic animals such as clownfish, sea anemone, coral, sea urchins, sponges, and parrot fish which are just a few examples of the large variety of organisms that can be found in a coral reefs. These animals are responsible for building the reefs which takes different forms and helps in maintaining balance. This habitat is important to marine life as it provides food and shelter for them.
Recently, many human activities has posed a threat to the coral reef and it's inhabitants These activities include:
--> Pollution: this is cause any agricultural run offs, Chemical and oil spills which can damage coral growth and reproduction.
--> coastal development: an unplanned coastal development has a damaging effect on the coral reef habitat.
--> Sedimentation: This can lead to increase in turbidity of coastal waters which in turn reduces light availability to the coral reef.
--> Destructive fishing practices: inadequate management of different fishing practices has led to the depletion of key reef species and habitat damage.
From the above explanation, the aquatic species found in the coral reef are responsible for building and maintaining the reef. If they are DESTROYED due to the above mentioned human activities, the reef will begin to deteriorate.
Answer: it’s b
Explanation:it’s b
Examine figure 2. How can MI be used as a predictor of survivability for
mast cell cancer? Be detailed in your explanation, citing evidence from the
data shown in Figure 1 and Figure 2.
Answers
It is to be noted that typically, a lower mitotic index is better. Rarer dividing cells mean a less aggressive cancer. The preferred number to hope for is a mitotic index of 5 or less.
What is a Mitotic Index?The mitotic index is defined as the ratio of the number of mitotic cells in a population to the total number of cells.
The mitotic index (the percentage of cells in mitosis at any one time) measures both the capacity and the pace of cell division. It is used to detect growth hotspots inside tissue and which cell types are proliferating.
It is to be noted that the lengths of the cell cycle and mitosis vary amongst cell types. A higher mitotic index suggests that more cells are dividing. The mitotic index in cancer cells may be higher than in normal tissue development or cellular healing at an injured site.
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30 PTS I NEED HELP WITH THIS PLS!!!
The question for this is: Four substances are involved in both photosynthesis and cellular respiration. They are sugars, water, oxygen, and carbon dioxide. Energy is also transformed from one type to another. Describe what happens to these four substances, light energy, and chemical energy during photosynthesis. Then write a simple equation for the substances and another for energy, using words and arrows to illustrate these changes.
My friends answer is:
Photosynthesis is the process by which plants use light energy to convert water and carbon dioxide into sugars and oxygen. During photosynthesis, light energy is absorbed by the plant and converted into chemical energy. The water and carbon dioxide are broken down into their component parts, and the oxygen is released into the atmosphere. The sugars are stored in the plant for later use. The equation for photosynthesis can be represented as light energy + water + carbon dioxide → sugars + oxygen. The equation for energy transformation can be represented as light energy → chemical energy.
D u m b it down to make it look like an 8th grader wrote it pls and thank u
Answers
Answer:
In photosynthesis, plants use sunlight, water, and carbon dioxide to create their own food and oxygen. The sunlight shines on the leaves of the plant, providing energy for the process. At the same time, the plant takes in water from its roots and carbon dioxide from the air. This energy from sunlight helps the plant combine water and carbon dioxide to create sugars, which act like food for the plant. In the process of making these sugars, the plant also produces oxygen, which it releases into the air. So, you can think of photosynthesis like a recipe: Sunlight, water, and carbon dioxide are mixed together to make sugars and oxygen. In terms of energy, the plant is transforming the light energy from the sun into chemical energy in the form of sugars.
Answer:
Photosynthesis is when plants use sunlight to make food. They take in water and carbon dioxide and turn them into sugars and oxygen. The plant uses the sunlight to make the sugars, and the oxygen is let out into the air. The equation for photosynthesis is: sunlight + water + carbon dioxide → sugars + oxygen. The sunlight changes into chemical energy during this process.
Explanation:
PLEASE MARK AS BRAINLIEST6. The absorbed dose of electrons is 50 mrad. What is the equivalent dose in J/kg?
O 5.0 x 10-4 g/kg
500 J/kg
5.0 x 10-3 J/kg
50 J/kg
Answers
Answer:
5.0 x 10-4 g/kg
Explanation:
This is because
I mrad is equivalent to 1/100,000j/kg
Therefore,
To convert 50 mrad to j/kg
= 50/100,000
= 5 × 10^-4j/kg.
Millirad is a decimal unit or rad which is the unit for measuring absorbed ionization radiation.
Which of the following items requires an internal
cooking temperature of 165 °F?
a. Pork chops
b. Injected meats
c. Raw Eggs
d. poultry
Answers
D. Poultry
There are three important temperatures to remember when cooking meat or eggs at home: Eggs and all ground meats must be cooked to 160°F; poultry and fowl to 165°F; and fresh meat steaks, chops and roasts to 145°F.
Answer:
D. poultry
Explanation:
Which is the site of anaerobic respiration in a cell.
a)chloroplast
b)cytoplasm
c)nucleus
d)vacuole
Answers
Flower Dissection — Part 2
Pick a flower from your yard, a public location, or somewhere in your neighborhood.
Start by removing the sepals of the flower with a tweezer. If you do not have a tweezer, a small pair of scissors will also work. It may be easiest to do this if you hold the flower with your finger from below the pedicel (small stalk just underneath the flower) and begin to remove the sepals with a pair of tweezers.
Using tweezers, place the sepals on the labelled printable worksheet, and tape them in place.
Repeat the same procedure for the petals and pistil.
Remove all but one of the stamens and tape them onto the worksheet.
On your printable worksheet, you should have sepals, petals, stamens and one pistil.
Take a picture of your worksheet with the flower pieces placed correctly, and save it on your computer. You will attach and submit this with your assessment questions.
Data:
Flower Dissection
Name of Flower Component Piece of Flower from Lab Function
Sepal
Petals
Stamen
Pistil
Analysis & Conclusion — Part 3
Plant Tissues
What are three characteristics that all species belonging to the plant kingdom have in common?
How will the numbers of stomata differ in tropical plants and desert plants? How does this help protect the health of a plant?
If a plant's xylem and phloem become damaged, what type of damage will result within the plant? Describe the different roles on the xylem and phloem in your answer.
Why do we compare the dermal tissue of plants to human skin? Explain your answer.
Would a plant be able to survive if the ground tissue was damaged? Explain your answer.
Flowering Reproduction
Describe how flowering plants reproduce.
How do flowers help other organisms in our environment?
Which parts of a plant are responsible for reproduction? Describe the role that each of them will play.
Describe what occurs during the process of seed development.
Based on your knowledge of flowers, why do you think most flowers are bright in color?
Print Save
Answers
Angiosperms belong to the plant kingdom. Flowers are the organs needed for sexual reproduction, carrying feminine and masculine structures.
What are the parts of the flowers?Flowers are reproductive structures in charge of sexual reproduction through the production of seeds.
⇒ Feminine reproductive structures
The central structure is the carpel, also recognized as the pistil.The base of the carpel forms the ovary, in which the eggs are produced and where the zygote develops.The opposite extreme of the carpel is the stigma, in the superior part.The stigma is a sticky surface where the pollen grains get attached.The style is the filament structure that connects the ovary and the stigma.⇒ Masculine reproductive structures
The pollen grains, or male sex cells, are produced in the stamens.The stamen has an anther where the pollen is produced, and a filament that provides support.
⇒ External non-reproductive structures
Flowers also have external structures known as petals and sepals. These are modified leaves whose principal function is to protect the flower's fertile parts and attract pollinators.
Petals characterize as having many different colors that make the flower more attractive to insects and other animals. When they visit a flower searching for their recompense, the flower's pollen grains transfer to the insect's body.
The insect transports the pollen to the next visited flower, leaving it in the stigma of the second flower.
What happens during the fertilization process?1) The mature pollen grains are driven to the stigma of the same flower or other flowers of the species, where they stick.
2) Once in the stigma, the pollen grain germinates.
3) A pollinic tube forms. It goes from the stigma along the style and ends in the flower ovary.
4) The pollen grains move along the tube forward to the ovary.
5) Once in the ovary, the pollen grains get in touch with the ovule. They have double fertilization.
6) The zygote develops in the ovary.
Now, let us answer the questions,
1) Flower Dissection ⇒ you will find and scheeme in the attached files
2) Characteristics of the plant kingdom
eukaryotic multicellular organisms, photosynthetic organisms,cells with chloroplasts, a big vacuole, and cell wall. sexual and asexual reproduction3) Stomata regulate water vapor flow through transpiration.
Desert plants have fewer stomata than tropical plants as an adaptation to avoid losing water.
4) Having fewer stomata help protect the health of a plant by preventing excessive water loss under extreme conditions.
5) The vascular system of plants is composed of
The xylem ⇒ takes water and nutrients from the soil to the aerial part of the plant.The phloem ⇒ transports photosynthetic products to different tissues of the plant.If the xylem gets damaged, the plant will not be able to take water and nutrients from the ground. If the phloem gets damaged, the plant will not be able to use photosynthetic products in different tissues. In any case, the plant will dye.
6) Because plants and human dermal tissues vary in the number of layers and functions.
Plants have one dermal layer and have a cuticle to avoid dehydration and provide protection. Human skin is multilayered and the immune system protects it.7) Ground tissues are not meristematic, dermal, or vascular tissues. However, among their functions, we can mention photosynthesis, storage, regeneration, and healing capability. All of them are necessary to survive. If the ground tissues are damaged, the plant can not survive.
8) Flowering plants can reproduce sexually or asexually. During sexual reproduction, pollen grains fertilize the eggs in the ovary.
9) During pollination, insects and other animals get a recompense -nectar-. Flowers provide a source of food and prime matter to different pollinator agents. Also, flowers might be a shelter for many species.
10) The stamen where the pollen is produced. The ovary is where eggs are produced and where the zygote develops. Pollen gets to the egg in the ovary and fertilizes it (description above).
11)
The embryo is formed after the double fecundation. It composes of growing cotyledons, an epicotyl, and a hypocotyl.
The tegument and endosperm of the seed protect the embryo from dehydration and denutrition.
Germination is the process of development and the emergence of the embryo. These are a series of steps that must occur in the seed from the moment the embryo begins to develop until a newly emerged plantule is formed. For germination to occur, there must be appropriate environmental conditions.
12) Flowers are bright and colored because this is how they attract pollinator agents such and insects and other animals.
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I need to answer this question and I need help
Answers
Answer:
It is helpful as it can help pilots prepare for these situations. Its limitations are that these are chicken bodies, not live chicken, and that they are being shot by a cannon, not flying into the airplane.
Explanation:
Compare the process of kidney transplant and kidney dialysis or we can say differentiate???
Answers
Answer:
KIDNEY TRANSPLANT:
IT IS THE REPLACEMENT OF THE OLD KIDNEY WITH A NEW KIDNEY.IT IS A ONE-STEP PROCESS AND YOU DONT NEED TO GO TO HOSPLITAL FREQUENTLY.KIDNEY DIALYSIS:
IT IS THE PROCESS OF TAKING THE WASTE SUBSTANCE OUT OF THE VEINS IN THE BODY AND FILTERING IT.AFTER FILTERING THE WASTE SUBSTANCES THE GOOD SUBSTANCES ARE POURED INTO THE ARTERIES AND CARRIED BACK INTO THE BODY.IT SHOULD BE DONE EVERY WEEK IN THE HOSPITAL
Which is necessary for a society to be considered a civilization? Choose all answers that are correct. A. an education system B. strong government leaders C. an established army D. extra food supplies E. the creation of cities
URGENT!
Answers
Answer:
A civilization is considered to be a civilization when it has an established army and has created cities, so C and E. However, this is debatable. Why this is debatable is because all of the others can be argued for. But in my opinion they are not necessary. Many civilizations lacked good governmental leaders and were run by weak leaders (for a short time though), neither are extra food supplies necessary (a civilization can raid other civilizations and steal their food supplies) nor is an education system (they can borrow educated people from other civilizations). So I would argue that one needs only created cities where people of a civilization live and a standing army.
Explanation:
why was it important to identify special stars or patterns of stars?
Answers
Answer:
This is important so you know what part of space you are looking for example you can look at a certain star and know what direction you are facing
Explanation:
One result of climate change is that ocean temperatures are increasing. If the temperatures continue to rise, what effect will that have on the oceans’ ability to retain CO2? How might this change affect the atmosphere? THIS IS SCIENCE WOULDNT LET ME SELECT IT
Answers
Answer:
See explanation
Explanation:
There is an equilibrium that exists between the carbon dioxide in the air and the carbon dioxide in the oceans. The temperature of the water affects its ability to hold carbon dioxide.
Hence, as the global temperature continues to rise and the water becomes warmer, its ability to hold carbon dioxide decreases. When this happens, the gas exchange across the air-ocean boundary is affected. There is now too much CO2 in the atmosphere owing to the disturbance of its air- ocean exchange equilibrium leading to more rise in temperature due to global warming.
The graph shows the size of two populations of the same
species over time.
35
30
25
20
15
-Area A
-Area B
10
1 2 3 4 5 6 7 8 9 101112131415
Time
Which conclusion do the data support?
Number of Individuals
5
0
Answers
As per the given scenario, the conclusion is that the carrying capacity of area A is 15 individuals. The correct option is D.
What is carrying capacity?The carrying capacity of an environment is the peak of population size of a biological species that can be supported by that environment, given the available food, habitat, water, and other resources.
The graph clearly shows that species populations are increasing in both areas, but the rate of population growth in area A is much faster than the rate of population growth in area B.
However, there are some constraints in both Areas A and B because their populations are not growing at an exponential rate.
Thus, the correct option is D.
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which indicates hypovolemic shock in a client who has had a 15% blood loss?
Answers
A 15% blood loss in a client can indicate the development of hypovolemic shock, a serious condition resulting from a significant loss of blood volume. Hypovolemic shock occurs when the body's blood volume drops to a critical level, leading to inadequate perfusion of tissues and organs.
Signs and symptoms of hypovolemic shock in a client who has experienced a 15% blood loss may include a rapid heart rate (tachycardia) as the body tries to compensate for the decreased blood volume by increasing cardiac output. Low blood pressure (hypotension) may also be present, resulting from the reduced circulating blood volume. The skin may appear pale and cool as blood flow is redirected to vital organs, leading to decreased peripheral perfusion. The client may experience rapid and shallow breathing (tachypnea) as the body attempts to compensate for decreased oxygen delivery. Weakness, fatigue, and altered mental status, such as confusion or loss of consciousness, can also occur due to insufficient oxygen and nutrient supply to the tissues and brain.
Prompt medical attention is crucial in cases of hypovolemic shock to restore blood volume and stabilize the client's condition. Treatment typically involves intravenous fluid replacement and addressing the underlying cause of the blood loss.
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5 Compared with atmospheric air, air breathed out by a human contains
Answers
chest pain secondary to oxygen deprivation to the myocardium is
Answers
Chest pain secondary to oxygen deprivation to the myocardium is called angina pectoris.
Chest pain known as angina pectoris develops when the heart muscle doesn't get enough oxygen-rich blood. It is frequently a sign of underlying atherosclerosis or coronary artery disease.
A squeezing, pressure-like discomfort in the chest that can also affect the arms, shoulders, neck, jaw, or back is the hallmark of angina. Physical effort, emotional stress, or exposure to low conditions can all cause pain. Angina symptoms are frequently treated with rest and drugs like nitroglycerin.
Angina should not be disregarded because it may be an early indicator of a heart attack. In order to effectively manage angina and lower the risk of cardiovascular events, lifestyle modifications, proper diagnosis, and medication therapies are essential.
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Correct question:
Chest pain secondary to oxygen deprivation to the myocardium is called _______.
Which of the following groups gets energy directly from the grass it eats?
A. Producers
B. Decomposers
C. Primary consumers
D. Secondary consumers
Answers
What type of cell do you see through the microscope.
Answers
It is possible to view a large number of cells under a microscope. cells that can be viewed under a microscope are
Animal cellsPlant cellscells from microorganisms What are cells?Cells are defined as the smallest unit that is capable of living on its own and that makes up all living organisms and the tissues of the body.
The parts of a cell are divided into three main sections. These parts include
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Animal cells are placed in an isotonic solution. THEN, additional amounts of solute are added to the solution. What happens to the cells
Answers
Answer:
The animal cell will shrink due to loss of water to the external solution
Explanation:
An isotonic solution is that solution which has equal concentration with its external environment. Hence, no net movement of water occurs in an isotonic solution since there is no concentration gradient. Therefore, if an animal cell is placed in an isotonic solution at first, no net movement of water occurs because the intracellular and extracellular concentrations are at equilibrium.
However, if more solutes are added to the solution, it makes the solution HYPERTONIC to the cell i.e greater in concentration. This creates an osmotic gradient and causes water to move out of the animal cell into the solution in accordance to osmotic principles (movement of water from a low concentration of solute to high concentration of solute). This causes the animal cell to likely SHRINK.
Which statement is true?
1. Waves carry objects as they travel through water. If we wait, the waves will move the ball back onto the beach.
2. Waves don't carry things as they travel through water. I think we need to swim out and get the ball.
Answers
Answer:
b because its true and im a scuence teacher
Answer:
1 is correct
Explanation:
waves do carry objects as it travels.
How does soil develop on the rocky surface?
Answers
Answer: Soil is formed through the process of rock weathering. Weathering is the breakdown of rocks into smaller particles when in contact with water (flowing through rocks), air or living organisms.
Explanation: yes
A crocodile-like morphology evolved independently in a group of Triassic reptiles called phytosaurs, and later, after phytosaurs were extinct, in true crocodiles. This is an example of: Sympatric speciation. Iterative evolution Evolutionary drift Genetic drift Lamarckian evolution
Answers
The correct answer is iterative evolution. A crocodile-like morphology evolved independently in a group of Triassic reptiles called phytosaurs, and later, after phytosaurs were extinct, in true crocodiles. This is an example of iterative evolution.
Iterative evolution is the development of similar structures or forms independently over time in separate lineages. This is frequently seen in unrelated lineages of organisms that evolve similar features through convergent evolution. The crocodile-like morphology that evolved independently in Triassic reptiles called phytosaurs and later in true crocodiles is an example of iterative evolution as they evolved independently in separate lineages. The ability of the phytosaurs to thrive in an aquatic environment likely contributed to the development of this morphology, which later allowed true crocodiles to similarly thrive.
Phytosaurs as flying birds:
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Although electricity is needed, the creation and transmission of electrical energy can affect the environment. Which source of
electricity negatively impacts our environment the most?
A)
wind
8)
water
static
D
fossil fuels
Answers
Answer:
not static
Explanation:
i took the test and got it wrong by guessing static so not that one