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Chem 1110 Exam 4 verified answers 100%
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Chem 1110 Exam 4 verified answers 100%
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Chem 1110 Exam 4 verified answers 100%Which pair of molecules has the strongest dipole-dipole interactions?
NH3 and NH3
NH3 and CH4
CH4 and CH4
CO2 and CO2
CO2 and CH4 - correct answer NH3 and NH3
Which is the best description of hydrogen bonding? - correct answer the association between a hydrogen atom which is somewhat positive because it is bonded to a small electronegative atom and an atom of O, N or F on another molecule
How many mm Hg are present in 1.22 atmospheres? - correct answer 927
What is the new volume of a balloon originally at 755 torr and 5.00 L if it is placed in a container in which
the pressure is increased to 1.25 atm? - correct answer 3.97 L
How will the volume of a fixed sample of gas change if its pressure is doubled and the Kelvin temperature is doubled? - correct answer It will not change.
If the temperature of a 1.75 liter sample of gas is changed from 30.0°C to 20.0°C at constant pressure, what will be the new volume? - correct answer 1.69 L
A sample of CO2 gas at 100.°C has a volume of 250. mL at 760. mm Hg. How many moles of CO2 are present? - correct answer 0.00816 mol
In a gas mixture of 35% He and 65% O2 the total pressure is 800 mm Hg. What is the partial pressure of O2? - correct answer 520 mm Hg
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