Chemistry, 15.07.2020 14:01 Leggett796
A 50.0 g of solid CO2 (dry ice) is added at -100°C to an evacuated (all of the gas removed) container with
a volume of 5.0 L. if the container is sealed and allowed to warm to room temperature (25°C) so that the
entire solid CO2 is converted to gas, what is the pressure inside the container?
Answers: 3
Chemistry, 22.06.2019 03:30
If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.
Answers: 1
Chemistry, 22.06.2019 07:30
11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg
Answers: 3
Chemistry, 22.06.2019 12:30
The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms
Answers: 1
A 50.0 g of solid CO2 (dry ice) is added at -100°C to an evacuated (all of the gas removed) containe...
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