Chemistry, 11.07.2019 21:00, Frenchfries13
Think about how pressure relates to volume and how gas behavior would change in different volumes. which of the following will have the largest positive value for sÂș? a) 1 mole of helium gas at 1 atm pressure. b) 1 mole of helium gas at 2 atm pressure. c) 1 mole of helium gas at 5 atm pressure. d) 1 mole of helium gas at 0.5 atm pressure
Answers: 2
Chemistry, 22.06.2019 13:00, monkeyrose1999
The molality of calcium chloride (cacl2) in an aqueous solution is 2.46 m. what is mole fraction of the solute?
Answers: 3
Chemistry, 22.06.2019 16:50, Pookiev
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
Answers: 1
Chemistry, 23.06.2019 00:00, alisonsolis155
Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 °c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3
Answers: 3
Think about how pressure relates to volume and how gas behavior would change in different volumes. w...
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