D. all of the above, although I do find it hard to believe something like flour would have a melting point, I looked up my answer to double check.
Answer:
Mechanical Energy to Thermal Energy
When you strike a match, it moves through the air until it rubs against a surface. The rubbing produces the heat required to light the match. This is a transformation from mechanical energy to thermal (heat) energy.
Explanation:
Answer: low pH
Hydronium is H^+ and acids give hydronium ions to water solution.
PH = -log H^+ concentration. The higher the concentration, the lower pH value
689
Explanation:
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Answer: The energy transferred is known as kinetic energy, and it depends on the mass and speed achieved.
