Which statement about the energy of a phase change is true?
a. melting is an endothermic cha...
Chemistry, 22.08.2019 12:20, heyItsLuna234
Which statement about the energy of a phase change is true?
a. melting is an endothermic change, because ice releases energy to its surroundings as it melts.
b. melting is an endothermic change, because ice absorbs energy from its surroundings as it melts.
c. melting is an exothermic change, because ice absorbs energy from its surroundings as it melts.
d. melting is an exothermic change, because ice releases energy to its surroundings as it melts.
Answers: 1
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When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?
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Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.
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