Question

what is one of the conditions needed when reactants collide in order to have a chemical reaction? hit each other in the incorrect way (orientation) hit each other hit each other with enough energy hit each other with low power

Explanation:

For a chemical reaction to occur when reactants collide, two main conditions (from collision theory) are sufficient energy (activation energy) and correct orientation. Let's analyze the options:

• "Hit each other in the incorrect way (orientation)": Incorrect orientation doesn't lead to reaction. Eliminate.
• "Hit each other": Just colliding isn't enough; they need enough energy and correct orientation. Eliminate.
• "Hit each other with enough energy": This is one of the key conditions (along with correct orientation) for a reaction. Correct.
• "Hit each other with low power": Low energy (power here relates to energy) means they won't reach activation energy. Eliminate.

Answer:

C. Hit each other with enough energy (assuming the green option is labeled C; if the original labels were different, adjust the identifier, but based on content, the correct option is the one stating "Hit each other with enough energy")