Determine whether each described process is endothermic or exothermic. a. Ice melts into liquid water
b. A process with a calculated positive q.
c. Wood burns in a fireplace.
d. A process with a calculated negative q.
e. Acid and base are mixed, making test tube feel hot.
f. Solid dissolves into solution, making ice pack feel cold

Ice melts into liquid water- endothermic

A process with a calculated positive q - endothermic

Wood burns in a fireplace - exothermic

A process with a calculated negative q - exothermic

Acid and base are mixed, making test tube feel hot - exothermic

Solid dissolves into solution, making ice pack feel cold - endothermic

Explanation:

An endothermic process is one in which heat is absorbed from the surroundings. The absorption of heat means that heat is removed from the surroundings hence the surroundings feel cool. When heat is absorbed, q is positive.

An exothermic process is one in which heat is released to the surroundings. The evolution of heat means that heat is released into the surroundings hence the surroundings feel hot . When heat is evolved, q is negative.

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