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anyanavicka [17]
3 years ago
5

You are cooking beans over a campfire. By the light of the fire, you read that one serving of beans is 120 calories. After eatin

g the beans, you go for a hike along a stream. All of the items described here have energy. Identify the form of energy each contains.
Potential energy
Kinetic energy

options: firewood
beans
flames
hiking
moving water.
Chemistry
1 answer:
olasank [31]3 years ago
4 0
The <span>form of energy of each substance contains.</span>
firewood, Kinetic energy
beans, Potential energy
flames, Kinetic energy 
hiking, Kinetic energy
moving water, Kinetic energy
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The concentration  of methyl isonitrile will become 15% of the initial value after 10.31 hrs.

Explanation:

As the data the rate constant is not given in this description, However from observing the complete question  the rate constant is given as a rate constant of 5.11x10-5s-1 at 472k .

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ln (\frac{C}{C_0})=-kt\\ln(0.15)=-5.11 \times 10^{-5} \times t\\t=\frac{ln(0.15)}{-5.11 \times 10^{-5} }\\t=37125.6 s\\t=37125.6/3600 \\t= 10.31 \, hrs

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