AP Chemistry Thermochemistry

The temperature of a glass of cold water will eventually...

• Match the temperature of the surrounding environment.

• Always be colder than the surrounding environment.

• Become warmer than the surrounding environment.

• Never change temperature.

Tags

NGSS.HS-PS3-4

The first law of thermodynamics states that energy is

• created

• destroyed

• conserved

• created and destroyed

Tags

NGSS.HS-PS3-1

Which law of thermodynamics states that absolute zero cannot be reached?

• 1st

• 2nd

• 3rd

Heat travels from the sun to the earth by the process of...

• conduction

• convection

• radiation

• insulation

Tags

NGSS.HS-PS3-4

Calculate A 50g sample is heated with 500 joules of energy and has a 10*C temperature change. Calculate it’s specific heat.

• 1 j/g*C

• 250000 j/g*C

• 500 j/g*C

• 10 j/g*C

Tags

NGSS.MS-PS3-4

What type of reaction is this?

• Endothermic

• Exothermic

• Allergic

Tags

NGSS.HS-PS1-4

What does q stand for?

• Heat-Joules

• Mass-Grams

• Specific Heat-J/g*C

• Temperature Change-*C

Tags

NGSS.HS-PS3-1

4180 j of heat energy are added to change the temperature of water by 10*C. How many grams of water are being heated? c_water=4.18 j/g*C

• 4.18 j/g*C

• 10000g

• 174724g

• 100g

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

What heat energy is required to raise the temperature of a 1g sample of mercury (c_Hg=.16 j/g*C) by 100*C?

• 16j

• .0016j

• 16000j

• 625 j

Tags

NGSS.HS-PS3-4

What type of reaction is this?

• Endothermic

• Exothermic

• Allergic

Tags

NGSS.HS-PS1-4