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kogti [31]
3 years ago
14

How is the energy that is carried in an ATP molecule released to provide usable energy?

Chemistry
2 answers:
Maslowich3 years ago
5 0

Answer:

The correct answer will be option-The bond holding the last phosphate group breaks.

Explanation:

Adenosine triphosphate or ATP is the energy molecule of the organism as it provides energy to the cell during the metabolic reaction.

The energy is stored in the phosphodiester bonds between the three phosphate molecules in the ATP molecule. The energy is released when the ATP molecule breaks down to ADP and AMP and the phosphate group is released from the molecule.

This release in the energy is used during the metabolic reactions and thus The bond holding the last phosphate group breaks is the correct answer.

Irina18 [472]3 years ago
3 0
The bond holding the last phosphate group breaks that is why <span> is the energy that is carried in an ATP molecule released to provide usable energy.</span>
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If the Ka of a monoprotic weak acid is 5.4 × 10-6, what is the pH of a 0.25 M solution of this acid?
Sunny_sXe [5.5K]
The first step is to write the balanced equation of the dissociation of the monoprotic weak acid. This can be assumed to have 1:1 stoichiometric relationships, so the equation and ICE chart are given by:

                          HA ---> H^+ + A^-
initial                 0.25       0          0
change               -x         x           x
equilibrium    0.25-x       x           x

This gives an expression for Ka given by:

Ka = (x)^2/(0.25-x) = 5.4x10^-6
x = 1.159x10^-3 = [H+] = [A-]

pH = -log[H+] = -log[1.159x10^-3] = 2.936
6 0
3 years ago
During the lab, you measured the pH of common household items. Write net Brønsted equations that show the acidic or basic nature
tamaranim1 [39]

Answer:

CaO + H₂O ⟶ Ca²⁺ + 2OH⁻

Explanation:

CaO + H₂O  ⟶     Ca²⁺   +   2OH⁻

base    acid       conj. acid  conj. base

8 0
3 years ago
Match the term with its description.
Ilia_Sergeevich [38]

pH(D) A compound that increases the hydroxide ions (OH-) when it is dissolved in a solution

8 0
2 years ago
Read 2 more answers
If there was a chemical spill into the waterways near Dayton, would the communities along the Mill Creek need to worry? Explain.
Alona [7]
Yes they will need to worry cause the chemicals could spread in the water making it explode and kill animals and it would be very bad
7 0
2 years ago
A freezer compartment is covered with a 2-mm-thick layer of frost at the time it malfunctions. If the compartment is in ambient
ruslelena [56]

Answer:

The time required to melt the frost is 3.25 hours.

Explanation:

The time required to melt the frost dependes on the latent heat of the frost and the amount of heat it is transfered by convection to the air .

The heat transferred per unit area can be expressed as:

q=h_c*A*\Delta T\\\\q/A=h_c*\Delta T

being hc the convective heat transfer coefficient (2 Wm^-2K^-1) and ΔT the difference of temperature (20-0=20 °C or K).

q/A=h_c*\Delta T=2\frac{W}{m^2K}*20K=40\frac{W}{m^2}

If we take 1 m^2 of ice, with 2 mm of thickness, we have this volume

V=T*A = 0.002 m * 1 m^2=0.002m^3

The mass of the frost can be estimated as

M=\rho * V=700\frac{kg}{m^3}*0.002m^3= 1.4 kg

Then,  the amount of heat needed to melt this surface (1 m²) of frost is

Q=L*M=334\frac{kJ}{kg}*1.4kg= 467.6kJ

The time needed to melt the frost can be calculated as

t=\frac{Q}{(q/A)}=\frac{467.6kJ/m2}{40W/m2} = 11.69\frac{kJ}{W}*\frac{1W*s}{1J}*\frac{1000J}{1kJ}=   11690s=3.25h

7 0
2 years ago
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