Advanced Chem Final Exam Review - CH 5)

Which Lewis Structure would have a tetrahedral geometry?

• Lewis Structure 1
• Lewis Structure 2
• Lewis Structure 3
• Lewis Structure 4

• A
• B
• C
• D

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

• A
• B
• C
• D
• E

Which of the following statements is true?

• Atmospheric pressure decreases with altitude.
• Atmospheric pressure increases with altitude.
• Atmospheric pressure does not change with altitude.

What device is used to measure the atmospheric pressure (or air pressure)?

• barometer
• thermometer
• graduated cylinder
• balance

• A
• B
• C
• D
• E

• A
• B
• C
• D
• E

The molar masses of helium and oxygen are 4.0 g/mol and 16 g/mol, respectively. At standard temperature and pressure, 1 mole of helium will occupy

• half the volume of 1 mole of oxygen
• one fourth of the volume of 1 mole of oxygen
• twice the volume of 1 mole of oxygen
• four times the volume of 1 mole of oxygen
• the same volume as 1 mole of oxygen

What are units that can be used for measuring volume?

• Pascals
• liters
• cubic meters
• meters squared
• milliliters

The force exerted per unit area is a measure of the gas' _______

• pressure
• volume
• temperature
• amount