Which statement is true about endothermic and exothermic reactions?
Kinetic energy is absorbed and converted to potential energy in an endothermic reaction.
Kinetic energy is absorbed and converted to potential energy in an exothermic reaction.
Energy is released in an endothermic reaction.
Energy is absorbed in an exothermic reaction.
Answers: 1
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The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.
Answers: 1
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What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.
Answers: 1
Which statement is true about endothermic and exothermic reactions?
Kinetic energy is absorbed and...
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