hurry and answer plz!

What does DNA contain?

C. Instructions for energy transfer

D. Instructions for searching for food

B. Instructions for learned behaviors

A. Instructions for inherited traits

Answer:

A

Explanation:

as something is heated, it gains kinetic energy

Answer:

I think 1.3 moles correct me if I'm wrong

Explanation:

Answer:

activation energy

the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction.

effective collisions

An effective collision is defined as one in which molecules collide with sufficient energy and proper orientation, so that a reaction occurs.

ineffective collisions

An ineffective collision (A) is one that does not result in product formation. An effective collision (B) is one in which chemical bonds are broken and a product is formed.

Answer:

Chemical

Explanation:

Because it's being done by chemical means

The kinetic molecular theory of matter explains the physical properties of matter and how they relate to their molecular structures. This theory states that matter is made up of tiny particles, called molecules, that are always in constant motion, even when in a solid state.

The kinetic molecular theory of matter helps in explaining the properties of matter and how it relates to the molecular structures of matter. According to this theory, the particles that make up matter are in constant motion regardless of their state of matter, and their motion is related to the state of matter they exist in. The theory is divided into three main postulates as follows:1. Matter is made up of tiny particles called molecules that are in constant motion, even when in a solid state.2. The movement of these particles increases with an increase in temperature, resulting in an increase in the kinetic energy of the particles.3.

The collisions between these particles and the walls of the container they are in result in the pressure exerted by the gas. The relationship between heat, energy, and temperature as part of the kinetic molecular theory is as follows:Heat is the transfer of energy between different systems, whereas temperature is the measure of the average kinetic energy of the particles in a system. This means that as heat is transferred into a system, the particles in that system will gain kinetic energy, which will lead to an increase in temperature.

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The statement that correctly describes the reaction of sulfur dioxide gas in the presence of oxygen and vanadium(V) oxide to form sulfur trioxide is: Vanadium (V) oxide is a catalyst.

The correct option is 4.

A catalyst is a substance that alters the rate of a chemical reaction but which remains chemically unchanged at the end of the chemical reaction.

A catalyst can increase the rate of chemical reactions and it can also decrease the rate of chemical reactions. Catalysts that increase the rate of chemical reactions are called positive catalysts whole catalysts that decrease the rate of chemical reactions are called negative catalysts.

Catalysts alter the rate of chemical reactions by lowering or raising the activation energy of a reaction.

The reaction of sulfur dioxide gas in the presence of oxygen and vanadium(V) oxide to form sulfur trioxide is a catalytic reaction.

In the reaction, vanadium(V) oxide acts as a positive catalyst by speeding up the rate of the reaction.

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Complete question:

Sulfur dioxide gas can react in the presence of oxygen and vanadium(V) oxide to form sulfur trioxide. Sulfur trioxide is the only product of the reaction. Which statement correctly describes this reaction?

1) Sulfur dioxide is a catalyst

2) Sulfur trioxide is a catalyst

3) Oxygen is a catalyst

4) Vanadium (V) oxide is a catalyst

Answer:

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Astronomers studying the planet of Rhombus have detected sedimentary rock on its surface. One astronomer wonders if material in this sedimentary rock used to be in igneous rock deep in Rhombus's interior. Can igneous rock become sedimentary rock? Explain your answer

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igneous rocks can form ____, _____ and _____ rock

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Okay so let's answer now the question. So we have here the igneous rock. So the igneous rock, it was formed when lava or magma, okay when magma or lava solidified. So the solidification of the lava or magma resulted to the igneous rock. Now Igneous rock can be sedimentary rock. So this is our first answer. So igneous rocks and sedimentary rocks when the igneous rocks became um ah through weathering and through erosion became sediments. If the igneous rock became sediments and the sediments undergo the process of lit defecation then it will become sedimentary rock. The next rock is we have metamorphic rocks. So Igneous rock can be metamorphic rock if there is an igneous rock that will be subjected in intense he and pressure. So this heat and pressure will transform these the igneous rocks into metamorphic rock and the last time or the next. The next thing is the igneous rock can become big news rock again. Okay so if the igneous rocks will be molten again and then after the molten rocks or the lava or magma solidifies, then it becomes igneous rock. So basically this is our answer. So igneous rock can be a symptom entire Iraq if it becomes sediments through um weathering and erosion and through lift ification process it becomes sedimentary rocks. Next through intensity and pressure. Igneous rock will become metamorphic rock. Next the igneous rock can be another igneous rock. If the big news if the previous igneous rock will be subjected to heat and it will be melted and then after that it solidifies again then it becomes another igneous rock. So here we go. These are the answers. Thank you for listening.

Answer: D. The chemical products of one are the reactants of the other.

I just took the quiz

Cellular respiration and photosynthesis related as the chemical products of one are the reactants of the other and the correct option is option D.

Respiration is something that occurs in all living organisms. Thus, it is a process that converts oxygen and glucose into carbon dioxide and water and ultimately makes energy for your body cells.

On the other hand, photosynthesis takes place in green plants that contain chlorophyll. In this process, they make use of sunlight and water for converting it into energy.

Plants release oxygen which is a by-product of photosynthesis, and we breathe in oxygen so that our cells can carry out cellular respiration and generate ATP.

Therefore, Cellular respiration and photosynthesis related as the chemical products of one are the reactants of the other and the correct option is option D.

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The best description for all reaction systems where Q < K is that the system is not at equilibrium, and the reaction will go in the reverse direction.

The best description for all reaction systems where Q < K is that the system is not at equilibrium, and the reaction will go in the reverse direction. This is because Q represents the reaction quotient, which is the ratio of the concentrations of products and reactants at any given moment during the reaction. If Q is less than K, the system has more reactants than products, meaning the reaction has not yet reached equilibrium and will continue to shift towards the reactants side to reach equilibrium.
Hence, The best description for all reaction systems where Q < K is: The system is not at equilibrium, and the reaction will go in the reverse direction.

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Answer:

a. more than the earth pull on the moon sorry if false

Answer:

the concentration of the reactants

the temperature in heating

The variable that should be kept constant is the concentration of the reactant and the temperature in heating.

Hydrochloric acid (HCl) is called as the muriatic acid represent the colorless corrosive, also the mineral acid should be strong that contains various industrial used also it should be reacted with an organic base it created the hydrochloride salt.

Therefore, we can conclude that The variable that should be kept constant is the concentration of the reactant and the temperature in heating.

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When a reaction is in equilibrium, and the product is removed, the equilibrium shifts to the right, towards the product.

Equilibrium is a stage, when there is no change in the mass and energy of the reaction.

When more reactant added in the equilibrium stage, the equilibrium shifts toward the left, and when product added the equilibrium shifts towards the right, product.

Thus, When a reaction is in equilibrium, and the product is removed, the equilibrium shifts to the right, towards the product.

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Answer:

Your answer is 92.48 degrees Fahrenheit, or just 92 degrees.

Explanation:

The formula for finding degrees Celsius and turning them into Fahrenheit is: (C x 9/5) + 32. So,

33.6 x 9/5 = 60.48

60.48+ 32= 92.48.

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Answer:

high electrical and thermal conductivity

Answer:

Metals donate electrons.

They are good conductors of heat and electricity.

The half-life of a first-order reaction is 13 min. If the initial concentration of reactant is 0.085 m, it takes 26 min for it to decrease to 0.055 m.


The half-life of a first-order reaction is the time it takes for the concentration of the reactant to decrease by half. In this case, the half-life is 13 min.

To find the time it takes for the reactant to decrease from 0.085 m to 0.055 m, we need to find the number of half-lives.

First, we find the difference in concentration: 0.085 m - 0.055 m = 0.03 m.

Then, we divide this difference by the initial concentration to find the fraction remaining: 0.03 m / 0.085 m = 0.3529.

Next, we use the equation t = (0.693/k) * (1/n), where t is the time, k is the rate constant, and n is the number of half-lives.

Substituting the given values, we have 13 min = (0.693/k) * (1/n).

Solving for n, we find n = (0.693/k) / 13 min.

Now we can substitute n back into the equation:

t = (0.693/k) * (1/(0.693/k) / 13 min).

Simplifying, we get t = 26 min.

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The molar solubility of PbBr₂ in a 0.2740 M Pb(NO₃)₂ solution is 0.0547 M.

The molar solubility of PbBr₂ in a 0.2740 M lead(II) nitrate, Pb(NO₃)₂, solution can be calculated using the common ion effect. Write the balanced equation for the dissolution of PbBr₂ in water:

PbBr₂(s) ⇌ Pb²⁺(aq) + 2Br⁻(aq)

Write the expression for the solubility product constant (Ksp) of PbBr₂:

Ksp = [Pb²⁺][Br⁻]²

Calculate the initial concentration of Pb²⁺ in the solution:

[Pb²⁺] = 0.2740 M

Use the common ion effect to calculate the equilibrium concentration of Br⁻ ions:

Ksp = [Pb²⁺][Br⁻]²

[Br⁻]² = Ksp / [Pb²⁺] = (6.60 × 10⁻⁶) / (0.2740) = 2.41 × 10⁻⁵

[Br⁻] = √(2.41 × 10⁻⁵) = 0.00491 M

Calculate the molar solubility of PbBr₂ using the equilibrium concentration of Br⁻ ions:

PbBr₂(s) ⇌ Pb²⁺(aq) + 2Br⁻(aq)

[PbBr₂] = Ksp / ([Pb²⁺][Br⁻]²) = (6.60 × 10⁻⁶) / (0.2740 × (0.00491)²) = 0.0547 M

Therefore, PbBr₂ has a molar solubility of 0.0547 M in a 0.2740 M Pb(NO₃)₂ solution. This calculation shows how the presence of a common ion (in this case, Pb²⁺) can affect the solubility of a slightly soluble salt (in this case, PbBr₂) through the common ion effect.

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The range of the of the oxidation number of the first transition series is +2 to +6.

Transition elements or transition metals are elements or metals that have partially filled d orbitals.

The first main transition series begins with either;

Thus, the range of the of the oxidation number of the first transition series is +2 to +6.

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Within the textbook, the idea that goods would be equally distributed if the distributor was not allowed to know of his/her status or position is referred to as the veil of ignorance.

This concept, introduced by philosopher John Rawls, suggests that in a just society, individuals should make decisions about the distribution of resources and opportunities without any knowledge of their own advantages or disadvantages in that society.

The veil of ignorance serves as a thought experiment to encourage impartiality and fairness, as decision-makers would be motivated to create a system that benefits everyone, regardless of their personal circumstances, ensuring a more equitable distribution of goods.

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Answer:

0J

Explanation:

The potential energy of the sitting puppy is 0J.

Since we have been given the mass of the puppy to be 3kg, to find the potential energy, we use the expression below:

 Potential energy  = mgh

m is the mass

g is the acceleration due to gravity

h is the height

 So the puppy is sitting on the grass, the height is 0m

Therefore, Potential energy is 0J

Answer:

23.81%

Explanation:

The mass percent of a solution, also known as percentage by weight or w/w%, can be calculated using the formula:

mass percent = (mass of solute / mass of solution) x 100%

In this question;

Mass of solute (sugar) = 15g

Mass of solution (sugar + water) = 63g

Hence,

w/w% = 15/63 × 100

w/w% = 0.2381 × 100

w/w% = 23.81%

Therefore, the mass percent of the sugar solution is 23.81%.

Answer:

The volume of displaced fluid is equivalent to the volume of an object fully immersed in a fluid.

Answer:

Solids do not undergo diffusion because it has a fixed structure (vibrates in a fixed position) and it also cannot be compressed.

Hoped this helped in any way

Have a nice day

Answer:

the second one would have lower

Explanation:

because of the amount

pH is the measure of the negative log of the hydrogen ion concentration. The 0.4 M nitric acid will have lower pH.

pH is the concentration of the hydronium or the hydrogen ion in the water that gives the account to the basic and acidic nature of the substance.  

pH is dependent on the concentration of the substance as the increased concentration increases the pH while the lower concentration lowers the pH.

Therefore, 0.4 M will have a lower concentration.

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Answer: 1.27mole/litre

Explanation: The formula for the calculation of Molarity is

Molarity = No. of Moles/Volume(in litre)

Given - No. of moles= 3.4 and Volume of Solution= 2.67

So according to the formula

Molarity= 3.4/2.67 = 1.27

Therefore the correct answer is 1.27 mole/L

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Answer:

temperature a measurement of the average amount of energy PER UNIT OF STUFF

Heat Energy is TOTAL ENERGY IN THE STUFF

So, that's why the difference. If you have two things at the same temperature, then any one mole (which is the same as how many molecules or atoms it takes to make up the molecular weight of something in grams.. so one mole of Hydrogen weighs 1 gram, 1 mole of helium weighs 2 grams, 1 mole of Gold weight 196 grams) of the stuff will have the same amount of energy as one mole of the other stuff. If you measure by total mass though, then you realize that there are more water molecules than gold ones in the same volume of stuff, and heat is about volume and molecular density, not mass.

This is why some Stirling engine folks who have made solar plants use Helium as the working gas.. it contains a huge amount of heat for its volume (also because it is very compressible)

So.. Delta Q goes with moles, not mass.

The amount of water vapor in the atmosphere is measured as absolute humidity, whereas relative humidity is the ratio of the amount of water vapor to the maximum amount of water vapor that can be held by an air mass.

The amount of water vapor in the atmosphere is measured as specific humidity, whereas relative humidity is the ratio of the amount of water vapor to the maximum amount of water vapor that can be held by an air mass.

Therefore, the unit used to measure specific humidity is grams of water vapor per kilogram of air (g/kg), while the unit used to measure relative humidity is a percentage (%).

Specific humidity is an absolute measure of the amount of water vapor present in the air, while relative humidity is a relative measure that compares the actual amount of water vapor to the maximum amount that can be held at a given temperature.

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The amount of octane needed is equal to the amount of carbon dioxide and water produced, which is 16 + 18 = 34 molecules.

The given response is displayed below. When this hydrocarbon (C8H18 C 8 H 18) burns with oxygen (O2) to produce carbon dioxide (CO2 C O 2) and water, this chemical reaction is a combustion reaction ( H2O H 2 O ).

Determine the substance's molecular weight for one mole in order to calculate the necessary number of molecules. Next, divide the molar mass value by the molecular mass, and multiply the result by the Avogadro constant.

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