1.When a solid changes directly into a gas, the solid _________ and the process is called______
A. Release heat; deposition
B.Absorbs heat ; sublimation
C.Release heat ; sublimation
D. absorbs heat ; deposition
2.Ice keeps your drink cool because melting ice_______.
a.releases some of the heat to the drink.
b.absorbs the heat from the drink.
c.absorbs and then releases heat to the drink.
d.none of the above
3.An uncovered pot of soup is simmering an a stove, and there are water droplets on the wall above the back of the stove.What sequence has occured?
a.melting then boiling.
b.boiling then condensation.
c.freezing then thawing.
d.condensation then evaporation.
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Answer:
1. When a solid changes directly into a gas, the solid release heat; sublimation and the process is called absorbs heat; deposition
Explanation:
The solid-to-gas change is called sublimation, while the reverse process is called deposition. Sublimation is isothermal, like the other phase changes.
2.Ice keeps your drink cool because melting ice_______.
Explanation:
Ice keeps your drink cool because melting ice absorbs heat from the water. As the water molecules lose energy, they begin to slow down, and consequently to cool.