Bellwork 14 4th Six Weeks

Mole ratios are obtained from the

• balanced chemical equation
• periodic table
• molar mass

Tags

NGSS.HS-PS1-7

What is the mole ratio of H₂O to H₃PO₄ in the following chemical equation?   P₄O₁₀ + 6 H₂O --> 4 H₃PO₄ 

• 6:4
• 4:6
• 1:3
• 3:1

Tags

NGSS.HS-PS1-7

If a chemist calculates the maximum amount of product that could be obtained in a chemical reaction, he or she is calculating the _____.

• theoretical yield

• mole ratio

• actual yield

• percentage yield

measures average kinetic energy (energy from motion)

• temperature
• volume
• pressure
• moles

Tags

NGSS.HS-PS3-2

NGSS.HS-PS3-4

______measures the amount of space a gas will occupy

• temperature

• volume

• pressure

• moles

_____measures the force a gas applies to the container

• temperature

• volume

• pressure

• moles

All of the following are gas law variables EXCEPT:

• TEMPERATURE
• VOLUME
• MASS
• PRESSURE

All of the following statements are TRUE about the behavior of gases according to the Kinetic Molecular Theory EXCEPT:

• Gases have elastic collisions
• Gases do not attract or repel
• Gases are in constant random motion
• Gases stick to the sides of the container and to each other

The kinetic molecular theory helps us understand ______

• the behavior of gases

• how to calculate moles

• the attraction between the particles of a solid

• how to calculate temperature

A gas that has a pressure of 2 atm and a volume of 10 L.  What would be the new volume if the pressure was changed to 1 atm?

• P1/T1 = P2/T2
• P1V1 = P2V2
• V1/n1 = V2/n2
• PV = nRT