Examlex
The entropy change ΔS° at 298 K for the reaction NH4Cl(s) →NH3(g) + HCl(g) is negative.
Q1: A 10.0-mL sample of 0.75 M CH<sub>3</sub>CH<sub>2</sub>COOH
Q2: Cyclopropane is converted to propene in a
Q25: For the following process, which is true?
Q50: What is the total binding energy of
Q74: At equilibrium, ΔG° = 0.
Q83: Increasing the temperature of an exothermic reaction
Q110: Charcoal found under a stone at Stonehenge,
Q121: An unusual atmospheric reaction leading to ozone
Q123: Lightning, fires, and other atmospheric processes result
Q145: Suppose 75.0 g of PCl<sub>5</sub>(g) is introduced