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Anastasy [175]
1 year ago
9

What is the product of photosynthesis that plants make as a source of energy for their life functions? What role does this subst

ance have in your life?
Chemistry
1 answer:
kaheart [24]1 year ago
4 0
Glucose. Also provides heat and energy in man
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The smell of hot food moves faster than the smell of cold food. Which property of gas is responsible for this?
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The answer would be kinetic energy. :)
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Draw a relative energy diagram showing a conformational analysis of 2,2-dichloropropane along C1-C2 bond. Clearly label all stag
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How would covering the sandy banks of the pond affect the turtles’ life cycle?
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2 years ago
explain what you would do expect caesium astatide to look like .will it be soluble in water ?explain your reasoning​
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3 0
3 years ago
f a temperature increase from "18.0 ∘C to 37.0 ∘C" triples the rate constant for a reaction, what is the value of the activation
Bezzdna [24]

Answer:

The value of activation barrier for the reaction is, 43.374 kJ/mol.

Explanation:

According to the Arrhenius equation,

K=A\times e^{\frac{-Ea}{RT}}

or,

\log (\frac{K_2}{K_1})=\frac{Ea}{2.303\times R}[\frac{1}{T_1}-\frac{1}{T_2}]

where,

K_1 = rate constant at 18.0^oC = k

K_2 = rate constant at 37.0^oC  = 3k

Ea = activation energy for the reaction = ?

R = gas constant = 8.314 J/mol.K

T_1 = initial temperature = 18.0^oC=273+18.0=291 K

T_2 = final temperature = 37.0^oC=273+37.0=310 K

Now put all the given values in this formula, we get

\log (\frac{3k}{k})=\frac{Ea}{2.303\times 8.314 J/mol K}[\frac{1}{291 K}-\frac{1}{310 K}]

Ea=43,374 J/mol=43.374 KJ/mol

Therefore, the activation energy for the reaction is, 43.374 kJ/mol.

4 0
3 years ago
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