Question

rs a chemical reaction? - kareem jarrah
image with caption: \because they require less energy to occur\ and youtube logo
multiple-choice question
which of the following is true?

• endothermic reactions are more likely because they require less energy
• endothermic reactions are more likely because they require more energy
• exothermic reactions are more likely because they require less energy
• exothermic reactions are more likely because they require more energy

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Explanation:

1. Recall the definitions: Endothermic reactions absorb energy (need more energy input to occur), exothermic reactions release energy (need less energy input as they can release energy to proceed).
2. Analyze each option:

• First two options about endothermic are wrong (endothermic needs more energy, not less, so they are less likely to occur easily).
• Fourth option about exothermic needing more energy is wrong.
• Third option (exothermic, less energy needed) matches the concept: reactions needing less energy are more likely to occur, so exothermic (which releases energy, often has a lower activation energy or net energy release making them more likely) is correct.

Answer:

C. exothermic reactions are more likely because they require less energy (assuming the third option is labeled C, if the options are A - D with the third being C, the full option would be: C. exothermic reactions are more likely because they require less energy)