An exothermic reaction:
A) requires heat
B) requires energy
C) gives off heat
D) destroys matter
Correct Answer:
Verified
Q74: The chemical name for Silicon:
A) Si
B) S
C)
Q75: The atomic number is determined by:
A) number
Q76: Elements _ be broken down or changed
Q77: The two most common forms of chemical
Q78: The chemical name for Tungsten:
A) W
B) T
C)
Q80: How does heat and pressure effect a
Q81: The sum of the masses in the
Q82: Reaction rates are impacted by:
A) heat and
Q83: A base is:
A) a bitter tasting chemical
Q84: All of the following are active catalysts
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