What is the symbol for temperature?

m

q

T

J

Answer:

Explanation:

When two plates are moving away from each other, they are called a divergent plate boundary.Along these boundaries, magma rises from deep within the Earth and erupts to form new crust on the lithosphere.

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When a nucleus emits an alpha particle, the mass number of the nucleus decreases, and its atomic number also decreases.

Therefore, the correct answer is: (c). The mass number decreases and its atomic number increases.

The nuclei are incredibly tiny and dense. They are 10 thousand times smaller than an atom and have more than 99.9% of its mass! Protons, which have a positive charge, and neutrons, which have no electrical charge, make up the nucleus.

When a nucleus emits an alpha particle, the mass number of the nucleus decreases, and its atomic number also decreases.

An alpha particle is composed of two protons and two neutrons, which is equivalent to a helium nucleus (He²⁺). When an alpha particle is emitted from a nucleus, the mass number decreases by 4 (as the alpha particle has a mass of 4 atomic mass units) and the atomic number decreases by 2 (since the nucleus loses two protons).

Therefore, the correct answer is:

c. The mass number decreases and its atomic number increases.

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Answer:

Nucleus is the brain of the cell and controls most of its functions. Thus without a nucleus, an animal cell or eukaryotic cell will die.

Answer:

A. genetic information will not be transmitted by the cell

Explanation:

Answer:

A. The green light is absorbed

Answer:

P₂ = 13.79 atm

Explanation:

Given data:

Initial volume = 196.0 L

Initial pressure = 1.83 atm

Final volume = 26.0 L

Final pressure = ?

Solution:

The given problem will be solved through the Boyle's law,

"The volume of given amount of gas is inversely proportional to its pressure by keeping the temperature and number of moles constant"

Mathematical expression:

P₁V₁ = P₂V₂

P₁ = Initial pressure

V₁ = initial volume

P₂ = final pressure

V₂ = final volume  

Now we will put the values in formula,

P₁V₁ = P₂V₂

1.83 atm × 196.0 L = P₂× 26.0 L

P₂ = 358.68 atm. L /  26.0 L

P₂ = 13.79 atm  

Answer:

scientific approach

Explanation:

Method of investigation in which a problems is First identified and observations, experiment are done

Answer/Explanation:

A higher temperature causes the molecules in a substance to move faster in a chemical change. This increased speed allows the particles to have enough force for a chemical change and it also increases the amount of times a particle hits another this makes it faster for it to combine.

Answer:

NO2

Explanation:

N = Nitrogen

O = Oxygen

Answer:

NO. 2.

is the answer

hopes this helps

Answer:

i think it would 40

Explanation:

Since 2 2.60 PPM singlet was seen for the /C-CH, Proton, and IHNMR data clearly showed the presence of acetophenone. IHNMR chemical with a multiplicity of 2.60 PPM is singlet, and there are 3 photons in total.

IHNMR chemical with a multiplicity of multiple number of photons of 7.49 to 7.45 PPM and a Proton number of 1. acetophenone number of photons in an IHNMR chemical with a multiplicity of 7.60 - 7.55PPM is multilaterally 2. IHNMR Chemical of multiplicity 7:98 - 7.94 PPM is multiplet no. of Proton is 2. So, Acetophenone chemical will be administered. Only one at proton comparatively shielded opposition and miter will give multiple in the benzene ring according to the IHNMR value of one singlet observed at 2–6 1 PPM. OxfordCryosystems.

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The formula of X is  Cu₂O and the formula of Y is CuO.

The masses of X and Y that can react with 0.5 g of oxygen are 4.0 g and 2.0 g of copper respectively.

The law that is illustrated by the result above​ is the law of multiple proportions.

The law of multiple proportions states that when two components combine to generate more than one compound, the combined weights of each element are in a ratio of tiny whole numbers.

The mole ratio of copper and oxygen in X and Y are:

X --> 1.365/64 : 0.17/16 = 0.02 : 0.01

mole ratio = 2 : 1

The formula of X is Cu₂O

Y ---> 1.16/64 : 0.29/16 = 0.02 : 0.02

mole ratio = 1 : 1

The formula of Y is CuO

The masses of X and Y that can react with 0.5 g of oxygen are calculated as follows:

Mass of copper to yield X = 0.5/16 * 2 * 64 = 4.0 g

Mass of copper to yield Y = 0.5/16 * 64 = 2.0 g

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The sum of all an object's atoms and molecules' energies makes up the substance's total energy.

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We've to find it inadequately weight thing at the admitted election if we know it carries the kinetic energy. Now we've to figure out the relationship between the very post in order to set up our equation. So we know we are looking for the weight length and we've been handed with the kinetic energy.

Now we know that Connect energy has a relationship with the haste. If we are going to rearrange the question then we've two times kinetic energy equals to mass haste forecourt or haste forecourt. You close to two times collected energy that bothered by the mass were haste because the square root of two times connected energy over the mass Right then. Now we've a relationship. They'd kinetic energy on the haste as well.

And now we just have to associate a haste with the wavelength can do this. It's close to cranks constant divided by the instigation we know Constant has a number of 6.63 times 10 to the power of native 34. rather of jewels per second, we are going to use kilograms either square per second, because on the weight of the electron then, which is9.1 times 10 to the power negative 31 we also have a kilogram. So we've to have a kilogram over there to cancel it now onto the haste. It's going to be a big bone , no, two times the kinetic energy, which is five or six. So we've to do a conversion of ev to 1.602 times 10 to the power of negative 19 augar developed by the mass again, which is9.1 times 10 to the power of -0.545 is the final answer.

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The pressure of a gas is directly related to the temperature measured on the Kelvin scale.

Kelvin temperature scale, a temperature scale having an absolute zero below which temperatures do not exist. Absolute zero, or 0°K, is the temperature at which molecular energy is a minimum, and it corresponds to a temperature of −273.15° on the Celsius temperature scale.

The Kelvin degree is the same size as the Celsius degree; hence the two reference temperatures for Celsius, the freezing point of water (0°C), and the boiling point of water (100°C), correspond to 273.15°K and 373.15°K, respectively. When writing temperatures in the Kelvin scale, it is the convention to omit the degree symbol and merely use the letter K.

The temperature scale is named after the British mathematician and physicist William Thomson Kelvin, who proposed it in 1848. Another absolute temperature scale, the Rankine temperature scale, is used by some engineers.

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Approximately 3.04 grams of magnesium would be required to react with 0.25 moles of hydrochloric acid.

To determine the mass of Mg required, we need to use the balanced chemical equation for the reaction between hydrochloric acid (HCl) and magnesium (Mg):

2HCl + Mg → MgCl2 + H2

From the balanced equation, we can see that 2 moles of HCl react with 1 mole of Mg. Therefore, if 0.25 mol of HCl reacts, we would need half of that amount, which is 0.125 mol of Mg.

To calculate the mass of Mg required, we need to multiply the number of moles of Mg by its molar mass. The molar mass of Mg is given as 24.31 g/mol. Therefore, the mass of Mg required can be calculated as follows:

Mass of Mg = Number of moles of Mg × Molar mass of Mg

Mass of Mg = 0.125 mol × 24.31 g/mol

Mass of Mg = 3.04 g

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To obtain pure magnesium chloride, the following separation technique steps are employed:

Separation techniques are the techniques employed in the separation of the constituents of a mixture.

To obtain pure magnesium chloride from a mixture of magnesium chloride, magnesium, calcium carbonate, and powdered charcoal, the following steps are employed:

In conclusion, separation techniques are used to separate the constituent of mixtures.

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On changing the ratio of baking soda and vinegar changes the amount of carbon dioxide produced is true, because each species will depends on both reactants.

Chemical reaction between baking soda and vinegar is shown below in the attached image in which the formation of carbon dioxide, water and sodium acetate takes place. So the formation of carbon dioxide depends on the baking soda and baking soda reacts with vinegar to form sodium acetate so change in the ratio will changes the amount of carbon dioxide.

Hence on changing the ratio of reactants and vinegar changes the amount of carbon dioxide.

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Diamond is one of the common crystalline forms of carbon in which each atom is bonded to 4 others by strong, covalent bonds to create a large 3-D array.

Diamond is one of the common crystalline forms of carbon. It is an allotrope of carbon, meaning it is a different form or structure of the same element. In diamond, each carbon atom is bonded to four neighboring carbon atoms, forming a three-dimensional lattice structure. These bonds are strong and covalent in nature, involving the sharing of electrons between atoms. The covalent bonds in diamond create a rigid and tightly-packed arrangement of carbon atoms, resulting in its exceptional hardness and durability. Due to the tetrahedral arrangement of carbon atoms, diamond possesses a high degree of symmetry and regularity in its crystal structure. This large, well-organized 3-D array of carbon atoms gives diamond its characteristic properties, such as its transparency, high thermal conductivity, and optical brilliance. Overall, diamond's unique structure and bonding make it one of the most prized and valuable gemstones in the world.

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The process of crenation occurs when the concentration of solute outside the cell is than inside the cell and the solution is said to be hypertonic.

What is crenation?

In botany and zoology, the term "crenation" refers to the round-toothed or scalloped shape of an object, particularly a leaf or shell. Modern Latin crenatus, meaning "scalloped or notched," is derived from common Latin crena, meaning "notch."

The term  can refer to a variety of items, including cells. One process of crenation is the contraction of a cell upon exposure to a hypertonic solution due to the loss of water through osmosis.Cucumber pickling and salt-curing of beef are practical applications of crenation.

Hence, the process of crenation occurs when the concentration of solute outside the cell is than inside the cell and the solution is said to be hypertonic.

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The statement "a glycosidic bond is a bond between the anomeric carbon of a carbohydrate and any other biological molecule" is true.A glycosidic bond is a type of covalent bond that forms between the anomeric carbon of a carbohydrate molecule and another molecule, such as another carbohydrate, a protein, or a lipid.

The anomeric carbon is the carbon atom in a carbohydrate molecule that was involved in the formation of the carbonyl group (C=O) during the cyclization of the sugar. The anomeric carbon can exist in two different configurations, alpha or beta, depending on the orientation of the hydroxyl group (-OH) attached to it. When the anomeric carbon reacts with another molecule, such as an alcohol or amine group of another carbohydrate, a glycosidic bond is formed.

Glycosidic bonds are important in the formation of complex carbohydrates, such as starch, glycogen, and cellulose, as well as in the synthesis of glycoproteins and glycolipids. The type of glycosidic bond formed between two carbohydrates can have significant implications for their biological function and the properties of the resulting molecule.

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Answer:

45

Explanation:

Twelve plus Twenty two plus eleven equals forty five. Basically just add all the numbers to find the total number of atoms

(I could be wrong I guessed

Answer:

Its obviously 2 or 3 and since 2 isn't a method its 3

Explanation:

There you have it

To solve this we must be knowing each and every concept related to planet. Therefore, the correct option is option C among all the given options.

A planet must accomplish three things: circle a star, be large sufficient to have sufficient gravity to compel a spherical form, and be large sufficient that its gravity swept away any similar-sized objects near its orbit.

Our solar system's planets did not arise out of nothing. The sun didn't either. They were all engulfed in a massive gas and dust cloud. Gravity gathered a lot of material inside the center to form the sun.

Astronomers send probes to other planets to take pictures of their surfaces. An astronomer thinks that briny water flows on Mars because he noticed certain features in one picture of Mars. Analyzing a natural experiment is a method to form this hypothesis.

Therefore, the correct option is option C.

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Answer:

470.24 L

Explanation:

Initial Volume, V1 = 250 L

Initial Pressure P1 = 102.6 kPa

Initial Temperature, T1 = 37.2  + 273 = 310.2 K

Final Pressure, P2 = 48.55 kPa

Final Temperature, T2 = 3.10 + 273 = 276.1 K

Final Volume,V2 = ?

These quantites are related by the general gas equation;

P1V11 / T1  = P2V2 / T2

Solving for V2;

V2 = P1 V1 T2  / P2 T1

V2 = 102.6 * 250 * 276.1 / (48.55 * 310.2)

V2 = 470.24 L

Answer:

Potential Energy (PE), assuming KE means Kinetic Energy here.

Explanation:

The car has KE when it's in motion, but when it collides with an object, it is stopped, replacing the KE with PE since it is no longer in motion.

I hope this makes sense! If not, I'll clarify better. :D

Sodium (Na) and potassium (K) in the same group on the periodic table because of option B They have similar reactivity.

The periodic table, also called the periodic table of the factors, is a tabular show of the chemical elements. it is broadly used in chemistry, physics, and other sciences, and is typically visible as an icon of chemistry.

Lithium, sodium, and potassium have the same wide variety of valence electrons i.e. 1, for this reason, they belong to the same organization. The institution is referred to as the alkali metals group because these kinds of elements shape oxides that dissolve in water to form alkali.

Potassium is observed clearly in lots of meals and as a complement. Its major position within the body is to assist maintain ordinary levels of fluid inside our cells. Sodium, its counterpart, keeps regular fluid ranges outdoors of cells. Potassium also helps muscles to settle and supports normal blood pressure.

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Molar mass of C3H8 = (3 x atomic mass of C) + (8 x atomic mass of H)

= (3 x 12.011 g/mol) + (8 x 1.008 g/mol)

= 44.097 g/mol

Therefore, the number of moles of propane is:

4.33 x 10^24 molecules / 6.022 x 10^23 molecules/mol = 7.20 mol

So, there are approximately 7.20 moles of propane (C3H8) in 4.33x10^24 molecules of propane.

Propane (C3H8) is a versatile fuel with a wide range of applications. It is used in Heating, Transportation, Agriculture, and Industry and s fuel for outdoor activities such as camping and grilling.

Propane (C3H8) is not very soluble in water. Propane is a nonpolar molecule, meaning it does not have a positive or negative charge on its surface. Water, on the other hand, is a polar molecule, which means that it has a positive end and a negative end. Because propane and water have different polarities, they do not mix well.

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The intermolecular forces that act between a nitrogen trichloride (NCl3) molecule and a dichloroethylene (CH2Cl2) molecule are dipole-dipole interactions and dispersion forces.

Intermolecular forces refer to the attractive and repulsive forces that occur between molecules in a substance. These forces arise due to the interactions between the charges on the atoms or molecules that make up the substance. Intermolecular forces are responsible for the physical properties of matter such as melting and boiling points, surface tension, and viscosity.

The types of intermolecular forces include London dispersion forces, dipole-dipole forces, and hydrogen bonding. London dispersion forces are present in all molecules and arise due to temporary fluctuations in the electron density of the molecule. Dipole-dipole forces occur in polar molecules where the positively charged end of one molecule interacts with the negatively charged end of another. Hydrogen bonding is a type of dipole-dipole force that occurs between a hydrogen atom bonded to an electronegative atom such as nitrogen, oxygen, or fluorine and a lone pair of electrons on another electronegative atom.

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The specific heat of olive oil (2 J/g·°C) is less than that of water (4.18 J/g·°C). This indicates that olive oil requires less heat energy to raise its temperature compared to an equal mass of water.

To describe the specific heat of olive oil compared to water, we can use the given information that it takes approximately 420 J of heat to raise the temperature of 7 g of olive oil by 30°C.

The specific heat capacity of a substance is defined as the amount of heat required to raise the temperature of 1 gram of the substance by 1 degree Celsius (or Kelvin).

In this case, we can calculate the specific heat of olive oil by dividing the amount of heat (420 J) by the mass (7 g) and the temperature change (30°C):

Specific heat of olive oil = (Amount of heat)/(Mass * Temperature change)

                          = 420 J / (7 g * 30°C)

                          ≈ 2 J/g·°C

Comparing this specific heat value to the specific heat of water (which is approximately 4.18 J/g·°C), we can conclude that the specific heat of olive oil (2 J/g·°C) is less than the specific heat of water. This means that olive oil requires less heat energy to raise its temperature compared to an equal mass of water.

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How can you describe the specific heat of olive oil compared to water if it takes approximately 420 J of heat to raise the temperature of 7 g of olive oil by 30°C?

Answer:

84.2 grams

Explanation:

you have to multiply 8.42x10^18 to get the answer above

The number of the atom can be used to estimate the mass and moles of the substance by Avogadro's number. The mass of 8.42 x 10¹⁸ atoms of Bromine is equivalent to 0.0011 grams.

The mole concept has been the unit of the amount of estimating the mass of the substances with smaller entities. It uses the SI unit mol to measure the amount of mass. It also has been defined by 6.02214076 × 10²³ (Nₐ, Avogadro's number) elementary entities.

The molar mass of  Bromine (Br) is 79.904 u and atoms are 8.42 x 10¹⁸.

Atoms to mass are converted as:

= ( 8.42 x 10¹⁸ atom ÷ 1 ) × ( 1 mole Br ÷ 6.02214076×10²³ ) × (79.904 gm Br ÷ 1 mol Br)

= (8.42 x 10¹⁸ × 79.904 gm) ÷ 6.02214076 × 10²³

= 6.727 × 10²⁰ ÷ 6.02214076 × 10²³

= 1.117 × 10⁻³ grams

Therefore, 0.0011 grams is the mass of bromine.

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