Author Question: Ethyl alcohol (CH3CH2OH) has a heat of fusion of 5.01 kJ/mol. How much heat in kJ is required to ... (Read 71 times)

madam-professor · **on:** Jul 8, 2021

Question 1

Consider a parallelepiped with all edges being equal in length. There is an atom at each corner and one in the absolute center. This is a ________.
◦ face-centered cubic cell
◦ simple cubic cell
◦ unit cell
◦ body-centered cubic cell
◦ hexagonal unit cell

Question 2

Ethyl alcohol (CH₃CH₂OH) has a heat of fusion of 5.01 kJ/mol. How much heat in kJ is required to melt 137 g of ethyl alcohol?
◦ 1.70 × 10^{3 kJ}
◦ 129 ^kJ
◦ 686 ^kJ
◦ 5.01 ^kJ
◦ 14.9 ^kJ

kaillie · **Reply #1 on:** Jul 8, 2021

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