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Answer to Question #52244 in Physical Chemistry for vi

Question #52244
Three 1.0 liter flasks are filled with hydrogen, oxygen and Neon, respectively, at STP. Which of the following statements is true?
The density of each gas is the same.
The velocity of the gas molecules is the same in each flask.
Each flask has the same number of gas molecules.
There are twice as many oxygen and hydrogen molecules as Ne atoms.
12 A real gas most closely approaches the behavior of an ideal gas under conditions of:
high P and low T
low P and high T
low P and T
high P and T
13 ______________ is used for measuring the viscosity of a substance.
Potentiometer
Ostwald viscometer
Calorimeter
None of the above
14 ______________ is used to measure the strength of an acid or base.
PH meter
Potentiometer
PH scale
Acidometer
15 The S.I. unit for frequency is __________.
Hertz
Ohms
Freq
Joule
16 The formation of a solid from a solution is called __________
Precipitation
Sublimation
Crystallization
Distillation
Expert's answer
11. Each flask has the same number of gas molecules.
12. low P and high T
13. Ostwald viscometer
14. PH meter
15. Hertz
16. Precipitation

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