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Helium effuses through a small opening at a rate of 1×10–9 mol s–1. An unknown gas at the same tempe
10 L of a gas at constant pressure is initially at 25°C. If the temperature is increased to 50°C the
Find Ion With The Smallest Radius
Calculate the fuel value of C6H14, given that ΔH °comb = –4163 kJ/mol.
Calculate ΔE for the combustion of a gas that releases 235 kJ of energy to its surroundings and doe
What happens to the magnitude and sign of the enthalpy change when a process is reversed?
A snack bar contains 159 Calories. What is the energy value in terms of joules, the SI unit of ener
Kinetics: How To Write The Rate Expressions (relative reaction rates)
A cylinder of compressed He originally has a pressure of 20 atm and a volume 10 L at a temperature o
The equilibrium constant Kp of the Haber reaction, N2 (g) + 3 H2(g) ⇌ 2 NH3 (g), at 200C is 6.78 × 1
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