oscarmendoza2107
18.03.2021 •
Chemistry
Given the reaction:
Fe + S --> FeS + energy
What statement about this reaction is true?
A. It is unbalanced
B. The mass of the reactants is greater than the products
C. It is exothermic
D. It is endothermic
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Ответ:
When you turn the crank on a hand- crank flashlight, kinetic energy from your body turns the generator inside the flashlight. That kinetic energy is converted into potential energy and stored in the battery, which can then make the light bulb work.