A unknown compound was found to have the molecular formula c5h12o2 . to which compound classes could the compound belong? check all the apply. the possible functional groups are:

1. Ionic compounds are named using the cation and the anions in the compounds respectively.

The name of the cation remains thesame as it's element while the anions name changes by adding another suffix to the elements name.

Sometimes, the number of positive charge of a cation is added in front of it's name before adding the anion's name.

2. Correct names of the compounds above

CaCl² - Calcium chloride

CuS - Copper Sulphate

Li³P - Lithium Phosphide

CuBr - Copper (1) Bromine

NaOH - Sodium Hydroxide

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When naming a compound, which of these is written first?

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Answer:

A. 7

(assuming the water is neutral)

To prepare 250. ml of a 0.125 m solution of solid KCl are needed: 1.125 grams of solid KCl

To solve this problem the formulas and the procedures that we have to use are:

Where:

Information about the problem:

By converting the volume units from (ml) to (L) we have:

v(solution) = 250 ml * 1 L/1000 ml

v(solution) = 0,250 L

Applying the molar concentration formula and clearing the mole (n) we get:

m= n(sto)/v(soution) L

n(KCl) = m * v(soution) L

n(KCl) = 0.125 mol/L * 0.250 L

n(KCl) = 0.03125 mol

Applying the molecular weight formula we get:

MW= ∑ AWT

MW(KCl)= 19 g/mol + 17 g/mol

MW(KCl)= 36 g/mol

Applying the mole (n) formula and clearing the mass (m) we get:

n = m / MW

m = n * MW

m(KCl) = n(KCl) * MW(KCl)

m(KCl) = 0.03125 mol * 36 g/mol

m(KCl) = 1.125 g

In chemistry a solution is known as a homogeneous mixture of two or more components called:

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Answer:

Explanation:

In this case, the fitness magazine compared the food we eat with a battery because the food provides energy for the human body to perform its daily activities.

The banana is an excellent source of energy, as it is a fruit with a high content of carbohydrates and fructose, it is an excellent food to be eaten before physical exercise, as it provides the muscles with enough energy to increase performance before and after exercise. , is a fruit rich in potassium, magnesium, phosphorus, and vitamins a and c, which gives greater strength and energy.

If any patient's oxygen tank holds 24.8 L of oxygen (O2) at a pressure of 13.1 ATM, when it is released at a pressure of 1.06 ATM with no change in temperature and amount of gas, the final volume will be, 306.49 L.

Given that the temperature is constant(Which means no change), so we can apply  Boyle's law.

We know that Boyle's law states, \(P_1V_1 = P_2V_2\) ............. (i)

Where,

\(P_1\) ⇒Initial Pressure,

\(V_1\)⇒ Initial Volume.

\(P_2\)⇒ Last Pressure,

\(V_2\)⇒ Last Volume.

Now given the,

Initial Pressure, \(P_1\)  = 13.1 ATM.

Last Pressure,  \(P_2\) = 1.06 ATM.

Initial Volume, \(V_1\) = 24.8 L.

Now put those values in equation (i),

13.1×24.8 =1.06× \(V_2\).

⇒1.06× \(V_2\) = 324.88

⇒\(V_2=\)\(\frac{324.88}{1.06}\).

⇒\(V_2\) = 306.49 L.

Therefore, when the gas is released at a pressure of 1.06 ATM with no change in temperature and amount of gas, the final volume becomes 306.49L.

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Answer:

The alkanes comprise a series of compounds that are composed of carbon and hydrogen atoms with single covalent bonds. This group of compounds comprises a homologous series with a general molecular formula of C n H 2 n+2 , where equals any integer.

Explanation:

The general formula for the alkane series is CnH2n+2

In this formula:

"Cn" shows how many carbon atoms are in the alkane molecule.

"H2n+2" shows the amount of hydrogen atoms in the alkane compound, with "n" being the number of carbon atoms.

Alkanes are a group of hydrocarbons that only have single bonds between their carbon atoms. The formula says that each carbon atom is connected to two hydrogen atoms. And the total number of hydrogen atoms in an alkane molecule is two more than double the number of carbon atoms.

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In the acid-base reaction H3O+ + OH- → 2H2O, the H3O+ ion transfers a proton (H+). This is a classic example of a neutralization reaction where the acidic H3O+ ion and the basic OH- ion combine to form water (H2O) molecules. The transfer of a proton from the H3O+ ion to the OH- ion results in the formation of two water molecules, which are neutral in nature.

1. H3O+ (hydronium ion) acts as an acid, while OH- (hydroxide ion) acts as a base.
2. The acid (H3O+) donates a proton (H+) to the base (OH-).
3. OH- accepts the proton (H+) and forms a water molecule (H2O).
4. The reaction results in the formation of 2 water molecules, as shown in the balanced equation: H3O+ + OH- → 2H2O.

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Explanation:

We have to find the net charge of a polyatomic ion that contains 49 protons and 50 electrons.

n° of protons = 49 n° of electrons = 50

The charge of each electron is -1 and the charge of each proton is +1.

charge of electron = -1 charge of proton = +1

Finally the net charge will be:

Net charge = n° of electrons * charge of electron + n° of protons * charge of proton

Net charge = 50 * (-1) + 49 * (+1)

Net charge = -1

Answer: C) -1

Answer:

chemical

Explanation:

Salt changes the chemical makeup of the water and allows it to get colder than what it would normally freeze at.

Electrical conductivity can be used to determine the bond type because there are valence electrons that are not able to conduct electricity while free electrons can conduct electricity.

The valence electrons can be defined as those having a negative charge that are linked to atomic particles, while the free electrons do not form atomic particles in the sense they are unbound to atomic particles.

In conclusion, electrical conductivity can be used to determine the bond type because there are valence electrons that are not able to conduct electricity and while free electrons can conduct electricity.

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Diffusion is the process by which particles (such as molecules, ions, or atoms) move from an area of higher concentration to an area of lower concentration, driven by the concentration gradient.

A concentration gradient refers to the difference in concentration between two regions. In diffusion, particles move randomly and collide with each other, causing them to spread out and distribute themselves evenly.

As particles move from higher concentration to lower concentration, the concentration gradient decreases, resulting in the equalization of concentrations over time. This movement occurs due to the natural tendency of particles to achieve a state of equilibrium, where there is no net movement of particles across the concentration gradient.

Diffusion plays a crucial role in various biological, physical, and chemical processes, such as gas exchange in the lungs, the transport of nutrients across cell membranes, and the mixing of substances in solutions.

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To calculate the heat produced by the consumption of a certain amount of reactant, you can use the following formula: Heat produced = (heat released per gram of reactant) × (amount of reactant consumed)

To calculate the heat produced by the consumption of a certain amount (in grams) of reactant, you need to know the specific heat of the reaction. This is usually given in units of Joules per gram or per mole. Once you have this value, you can multiply it by the amount of reactant consumed (in grams) to get the total heat produced. For example, if the specific heat of the reaction is 100 J/g and you consume 10 grams of reactant, the total heat produced would be 1000 J (100 J/g x 10 g).

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Answer:

80 hours. 2,000 ÷ 25 = 80

The rule for naming binary molecular compounds that is not true is, "Prefixes are used to indicate the number of atoms of each element that are present in the compound."

Explanation:Binary molecular compounds are formed when two nonmetals combine chemically. For example, HCl, CO2, H2O, etc. The rule for naming binary molecular compounds are: The first element in the formula is always named first, using the entire element name.The second element in the formula is named using its root and adding the suffix -ide.The prefixes are used to indicate the number of atoms of each element that are present in the compound only if there are two or more atoms of the first element, otherwise, prefix mono- is not used. The prefix rules are same as used in writing covalent compounds.Here are some examples of binary molecular compounds naming rules:

CO2 = carbon dioxideSO3 = sulfur trioxide SO2 = sulfur dioxide H2O = dihydrogen monoxide CBr4 = carbon tetrabromideI2O5 = diiodine pentoxide NO2 = nitrogen dioxideN2O = dinitrogen monoxide

In summary, "Prefixes are used to indicate the number of atoms of each element that are present in the compound" is not a rule for naming binary molecular compounds.

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Based on the formula for calculating quantity of Heat, the student requires the mass, temperature change and the specific heat capacity of the reaction mixture.

The enthalpy change of a reaction is the amount of heat evolved or absorbed when reactant molecules react to form products.

In the use of a calorimetry to determine the enthalpy of a reaction, the law of conservation of energy is applied.

The quantity of Heat is calculated using the formula below:

Therefore, in addition to the masses of the solutions and the temperature change, the student requires the specific heat capacity of the reaction mixture.

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When cooking an egg and waiting for coagulation, two things to look for are the firmness of the egg white and the doneness of the yolk.

The egg white should become opaque and set, indicating that it has coagulated properly. The yolk can be cooked to different degrees of doneness, depending on personal preference. For a runny yolk, it should still be soft and slightly jiggly in the center. For a firmer yolk, it should be more set and less jiggly. By observing these two aspects, you can determine the coagulation stage of the egg and achieve the desired texture for your egg dish.

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Answer:

The chemical compounds of living things are known as organic compound because of their association with organisms and because they are carbon-containing compounds, which are the compounds associated with life processes, are the subject matter of organic chemistry

Answer:

Base

Explanation:

Bases on dissolving with water release hydroxide ions

Take a example of Sodium hydroxide

Answer:

Chromatography

Explanation:

Chromatography is a technique for separating mixtures that involves the use of a moving liquid and filter paper. The solvent travels through the spots on the paper, taking the chemicals away in the opposite direction. If the solvent combination has been properly chosen, each of them will move at a different velocity than the others.

Title: "The Blooming Symphony: A Botanical Comedy"

Setting: A vibrant garden with colorful flowers, buzzing bees, and gentle breezes.

Characters:

Fred the Flower (a charismatic sunflower)

Bratty Bee (an impatient and mischievous bee)

Whistling Wind (a carefree and friendly breeze)

Polly Pollen (a wise and knowledgeable flower fairy)

Rosemary (Fred's loyal friend and fellow flower)

Daisy (a dainty and curious daisy)

Petunia (a shy and timid pansy)

(Scene 1: The Garden of Blooms)

[Fred the Flower stands tall in the center of the stage, his bright yellow petals radiating happiness.]

Fred: (singing) Oh, how I love to bask in the sun's warm rays, swaying in the gentle breeze! Life as a flower is truly delightful.

[Bratty Bee flies in, buzzing impatiently.]

Bratty Bee: Fred, Fred! I'm in a hurry. I need pollen, and I need it now!

Fred: (chuckling) Patience, Bratty Bee. What's the rush?

Bratty Bee: I have a hive full of hungry bees waiting for me to bring back food. Hurry up and give me your pollen!

Fred: Ah, my dear friend, you must understand the magic of pollination. See those golden powdery bits on my center? That's pollen, and it's essential for plants to reproduce.

(Scene 2: The Dance of Pollination)

[Polly Pollen, a shimmering fairy, appears, fluttering around Fred and Bratty Bee.]

Polly Pollen: Good day, Fred and Bratty Bee! It seems you could use a lesson in the art of pollination.

Fred: Polly Pollen! How lovely to see you. Please, enlighten us.

Polly Pollen: (singing) Pollination, a dance so divine,

Where plants find love, and life does shine.

Bees like Bratty are nature's true friends,

As they gather nectar, our story transcends.

[Whistling Wind blows gently through the garden, carrying pollen.]

Whistling Wind: (whistling) I come bearing gifts from afar, carrying pollen to where the flowers are!

[Polly Pollen sprinkles pollen onto Fred's center.]

Polly Pollen: Fred, pollen is vital for reproduction. Bees like Bratty here carry it from flower to flower, spreading the magic and enabling us to create seeds.

Bratty Bee: (excitedly) So, I'm not just a hungry bee, I'm a pollinator!

Fred: Exactly, my friend! And as you flit from flower to flower, some of my pollen will stick to your fuzzy body. Then, when you visit another flower, you'll deliver the pollen, allowing it to fertilize and create seeds.

(Scene 3: Friends and Family)

[Rosemary, Daisy, and Petunia gather around Fred and Bratty Bee.]

Rosemary: Ah, the wonders of pollination! It ensures the survival of our kind and brings beauty to the world.

Daisy: I can't wait to grow my own seeds! It sounds like an incredible journey.

Petunia: (nervously) But what if no bees visit us? Will our garden suffer?

Fred: Fear not, dear Petunia. Bees are not the only pollinators. Butterflies, birds, and even the wind play their parts too!

(Scene 4: The Grand Finale)

[The cast gathers in a joyous celebration, singing and dancing.]

Cast: (singing) From flower to flower, the dance we weave,

Pollination,

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The statement a stable nucleus has a similar number of protons and neutrons is true about stable isotopes (Option D).

A radioactive isotope can be defined as a chemical element that emits energy in form of different types of radiation such as alpha radiation or beta radiation, which is due they are unstable in normal conditions.

Therefore, with this data, we can see that the radioactive isotopes are unstable and they can emit energy based on diverse types of radioactive emissions such as alpha rays and or beta rays.

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Strong acids and bases dissociate dissolve completely in water. therefore, they are classified as electrolytes.

What do the body's electrolytes do?

Your body contains electrolytes, which are minerals with an electric charge. They can be found in various bodily fluids such as urine, tissues, and blood.

                 Electrolytes are crucial because they: Maintain a healthy balance of bodily fluids. Achieve pH balance throughout your body. The important electrolytes are sodium, potassium, chloride, magnesium, calcium, phosphate, and bicarbonates.

What transpires if your body is deficient in electrolytes?

The activities of your body, including blood coagulation, muscle contractions, acid balance, and fluid control, might be hampered when your body's electrolyte levels drop.

                                   Since your heart is a muscle, electrolytes aid in controlling your heartbeat.

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Since 273 k – 243 k equals 30, the temperature change for an object going from 273 k to 243 k is 30 k.

Colors and temperatures can both be measured in Kelvin: A temperature unit commonly used in science is the Kelvin scale. Lord Kelvin created the scale after realizing the need for one with absolute zero as the zero point, which translates to 0 K as the lowest attainable temperature, or -273,15 °C.

On the Kelvin scale, a body's temperature cannot be negative. Since the Kelvin scale's absolute zero represents the lowest temperature that may exist, it is impossible for it to be negative.

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Answer: nervous tissue connective tissue epithlial tissue muscle tissue

Explanation:

The reaction of 1-ethylcycloheptene with MCPBA (meta-chloroperoxybenzoic acid) followed by sodium methoxide in methanol leads to the formation of an epoxide.

MCPBA is a peracid that is commonly used to convert alkenes into epoxides through an epoxidation reaction. It adds an oxygen atom to the double bond of the alkene, resulting in the formation of an oxirane ring.

In this case, when 1-ethylcycloheptene reacts with MCPBA, an epoxide is formed. The specific product will depend on the regiochemistry and stereochemistry of the starting compound. Without further information on the exact structure and conditions of the reaction, it is difficult to determine the exact product.

However, the general product can be represented as an epoxide derived from 1-ethylcycloheptene:

Epoxide

1−ethylcycloheptene+MCPBA+NaOMe/MeOH→Epoxide

The exact position and stereochemistry of the epoxide ring would be determined by the specific structure of 1-ethylcycloheptene and the reaction conditions used.

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The change in color and the noticeable decrease in temperature strongly suggest that a chemical reaction has occurred. These observations are consistent with the formation of a new substance.

The student observes several indications that a chemical reaction has taken place in the mixture.

Firstly, the mixture bubbles turn blue, indicating the formation of a new substance. This change in color suggests a chemical transformation has occurred, as the original purple powder and clear liquid have combined to produce a different compound.

Additionally, the container feels much colder after the mixing process. This is likely due to an exothermic reaction taking place, where energy is released in the form of heat. The reaction between the purple powder and clear liquid may have released energy, causing the container to feel colder to the touch.

Overall, the change in color and the noticeable decrease in temperature strongly suggest that a chemical reaction has occurred. These observations are consistent with the formation of a new substance and the release of energy, indicating a chemical transformation has taken place between the reactants.

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Note - The complete questions is "A student conducts an experiment by mixing 100 grams of a purple powder with 100 grams of a clear liquid in a closed container. During the process, the student notices several changes. Firstly, the mixture begins to bubble, and these bubbles gradually turn blue. Secondly, the student observes that the container feels significantly colder than before the mixing occurred. Based on these observations, the student concludes that a chemical reaction has taken place. What could be the possible chemical reaction occurring in the mixture?"

Answer:

oxygen has the highest atomic mass.

Answer:

C Oxygen

Explanation:

The answer would be C since the protons and the neutrons are somewhat the same number / similar. As well as the periodic table would have somewhere in the elements "box".