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TiliK225 [7]
3 years ago
15

The amount of stored chemical energy is what determines the temperature of a substance.

Chemistry
2 answers:
mash [69]3 years ago
6 0

Answer:

False

Explanation:

The chemical energy in a substance is determined by the potential energy of the bonds of the products formed when it reacts.

Orlov [11]3 years ago
3 0

Answer:

False

Explanation:

Temperature is also heat energy, so chemical energy has no affect over it.

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The incredible catalytic power of enzymes can perhaps best be appreciated by imagining how challenging life would be without jus
ioda

Answer:

t = 7.58 * 10¹⁹ seconds

Explanation:

First order rate constant is given as,

k =  (2.303 /t) log  [A₀] /[Aₙ]

where  [A₀]  is the initial concentraion of the reactant; [Aₙ] is the concentration of the reactant at time, <em>t</em>

[A₀]  = 615 calories;

[Aₙ] = 615 - 480 = 135 calories

k = 2.00 * 10⁻²⁰ sec⁻¹

substituting the values in the equation of the rate constant;

2.00 * 10⁻²⁰ sec⁻¹ = (2.303/t) log (615/135)

(2.00 * 10⁻²⁰ sec⁻¹) / log (615/135) = (2.303/t)

t = 2.303 / 3.037 * 10⁻²⁰

t = 7.58 * 10¹⁹ seconds

8 0
3 years ago
Which energy resource causes the greatest waste disposal concerns?.
Mashcka [7]

Answer:

Coal

Explanation:

Coal produces more pollution than any other energy source. While coal produces just 44% of U.S. electricity, it accounts for 80% of power plant carbon emissions. Burning coal leads to soot, smog, acid rain, global warming, and carbon emissions.

6 0
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How are we made of the same atoms in stars?
MariettaO [177]
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3 years ago
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