Author Question: Each of the following substances is a gas at 25C and 1 atmosphere pressure. Which one will liquefy ... (Read 5 times)

fungirl · **on:** Nov 5, 2023

Question 1

Calculate the amount of heat that must be absorbed by 10.0 g of ice at –20°C to convert it to liquid water at 60.0°C. Given: specific heat (ice) = 2.1 J/g·°C; specific heat (water) = 4.18 J/g·°C; ΔH_fus = 6.0 kJ/mol.
◦ 63 kJ
◦ 7.5 J
◦ 420 J
◦ 2,900 J
◦ 6,300 J

Question 2

Each of the following substances is a gas at 25°C and 1 atmosphere pressure. Which one will liquefy most easily when compressed at a constant temperature?
◦ F₂

◦ H₂

◦ HF
◦ SiH₄

◦ Ar

dude123 · **Reply #1 on:** Nov 5, 2023

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