The table provides data for two CH3OH(l) samples. Based on this information, which of the following statements describes what happens when these samples are initially mixed, and why? Sample 1 2 Initial Volume (mL) 125.0 250.0 Initial Temperature (°C) 36.0 18.0

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Chapter8: Thermochemistry
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The table provides data for two CH3OH(l) samples. Based on this information, which of the following statements describes what happens when these samples are initially mixed, and why?
Sample 1
2
Initial Volume (mL) 125.0
250.0
Initial Temperature (°C) 36.0
18.0
a. Thermal energy is transferred between the CH3OH molecules in sample 1 and the CH3OH molecules in sample 2 because both samples contain the same substance.
b. The CH3OH molecules from sample 2 transfer thermal energy to the CH3OH molecules from sample 1 through collisions because there are more moles of molecules in sample 2.
c. The CH3OH molecules from sample 1 transfer thermal energy to the CH3OH molecules from sample 2 through collisions because sample 1 has a higher density.
d. The CH3OH molecules from sample 1 transfer thermal energy to the CH3OH molecules from sample 2 through collisions because the average kinetic energy of the molecules in sample 1 is greater.

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