Answer:
Work is the energy transferred to or from an object via the application of force along a displacement.
The answer is B.
Temperature is just another term for the average kinetic energy of a substance.
Yes that looks correct to me. good luck!!
The answer is B.
A cannot be the answer is melting is a physical change. No chemical reaction took place.
B is the answer as it is a EXOTHERMIC REACTION so heat will be given off.
C cannot be the answer as dissolving is basically atoms becoming ions, not a chemical reaction whereby a reactant reacts with another reactant to form a product.
D cannot be the answer. Same reason as for why A is not the answer.
Cheers.
