Problem: Water being turned into ice cubes in a freezer is an example of ___________ (endothermic or exothermic) process, and ∆H will be ___________. (positive or negative)?

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We’re being asked to fill in the blanks for the following statement: 


Water being turned into ice cubes in a freezer is an example of ___________ (endothermic or exothermic) process, and ∆H will be ___________. (positive or negative)


Recall that:

Exothermic reactions

lose energy, releases heat, temperature of the surroundings increases
ΔH is negative

Endothermic reactions

gain/requires energy, absorbs heat, temperature of the surroundings decreases
ΔH is positive


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Problem Details

Water being turned into ice cubes in a freezer is an example of ___________ (endothermic or exothermic) process, and ∆H will be ___________. (positive or negative)?

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