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Enthalpy and Entropy In Physical Changes

APCHEM-LVNTPZ

A favorite demonstration is to plunge a helium-filled balloon into liquid nitrogen.

Which of the following BEST describes what occurs, and why?

A

The balloon collapses because the molecules of helium lose much of their kinetic energy.

$\Delta H$ has a negative value, while $\Delta S$ has a positive value.

B

The balloon collapses because the molecules of helium lose much of their kinetic energy.

Both $\Delta H$ and $\Delta S$ have positive values.

C

The balloon collapses because the molecules of helium lose much of their kinetic energy.

Both $\Delta H$ and $\Delta S$ have negative values.

D

The balloon collapses because the molecules of helium lose much of their kinetic energy.

$\Delta H$ has a positive value, while $\Delta S$ has a negative value.