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zvonat [6]
3 years ago
5

Someone plz help!!!!!!!!

Mathematics
1 answer:
Finger [1]3 years ago
3 0
Answer: C. Silurian, Triassic, Jurassic, Tertiary
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Cells use the hydrolysis of adenosine triphosphate, abbreviated as ATP, as a source of energy. Symbolically, this reaction can b
nataly862011 [7]

Answer:

Step-by-step explanation:

From the given information:

ΔG° = -30.5 kJ/mol

By applying the following equation to calculate the value of K.

ΔG° =-RT㏑K

making ㏑ K  the subject of the formula:

\mathtt{ In  \ K} = \dfrac{\Delta G^0}{-RT}

where;

Temperature at 25° C = (25 + 273)K

= 298K

R = 8.3145 J/mol.K (gas cosntant)

\mathtt{ In  \ K} = \dfrac{-30.5 \times 10^{3}\ J /mol} {-(8.3145 \ J/mol. K \times 298 \ K}

\mathtt{ In  \ K} = \dfrac{-30.5 \times 10^{3}\ J /mol} {-2477.721 J/mol }

㏑K = 12.309

K = e^{12.309}

K = 221682.17

K = 2.22 × 10⁵

b) The reaction for the metabolism of glucose is given as:

C_6H_{12} O_6 + 6O_{2(g)} \to  + 6CO_{2(g)} + 6H_2O_{(l)}

From the above expression, let calculate the Gibbs free energy by using the formula:

\Delta G^0_{rx n }= \Delta G^0_{product}- \Delta G^0_{reactant}

\Delta G^0_{rx n }= [6 \times \Delta G^0_{f}(CO_2) + 6 \times \Delta G^0_{f}(H_2O)] - [1 \times \Delta G^0_{f}(C_6H_{12}O_6) + 6 \times \Delta G^0_{f}(O_2)]

At standard conditions;

The values of corresponding compounds are substituted into the equation above:

Thus,

\Delta G^0_{rx n }= [6 \times (-394) + 6 \times (-237)] - [1 \times (-911) + 6 \times (0)] \ kJ/mol

\Delta G^0_{rx n }= [-2364-1422] - [-911+0] \ kJ/mol

\Delta G^0_{rx n }= -3786 +911 \ kJ/mol

\Delta G^0_{rx n }= -2875 \ kJ/mol

\Delta G^0_{rx n }= -2875000 \ J/mol

Now, the no of ATP molecules generated = \dfrac{\Delta G^0 \text{of metabolism for glucose}}{\Delta G^0 \text{of hydrolysis  for ATP}}

= (-2875000 J/mol ) / -30500 J/mol

= 94.26

≅ 94 ATP molecules generated

3 0
3 years ago
A bucket of paint has spilled on a tile floor. The paint flow can be expressed with the function r(t) = 3t, where t represents t
Anika [276]
R(t) = 3t ; where t represents the time in minutes and r represents how far the paint is spreading.
A(r) = πr²

Part A: 
A[r(t)] = π (3t)² = 3.14 * 9t² = 28.26t²

Part B:
r(10) = 3(10) = 30
A(r) = 3.14 * 30² = 3.14 * 900 = 2,826 square unit

Hope This Helped! :3
7 0
4 years ago
What is the algebraic expression for the difference between seven times a number and three times that number"?
bogdanovich [222]

Answer:

the last one

Step-by-step explanation:

6 0
3 years ago
Help me please please
larisa [96]

Answer:

44/3

Step-by-step explanation:

I hope this helps!

5 0
3 years ago
Pleeeeeeeeeseee help meee!!!
AlekseyPX

Answer:

y= 44

Step-by-step explanation:

you know 4y so just

×11 and you get 44

6 0
3 years ago
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