17.2 Check for Understanding Part 1

In calorimetry, what is the relationship between the heat released by the system and the heat absorbed by its surroundings?

• The heat released is greater than the heat absorbed

• The heat released is less than the heat absorbed

• The heat released is equal to the heat absorbed

• There is no relationship

Tags

NGSS.HS-PS3-4

What is the device called that is used to measure the absorption or release of heat in chemical or physical processes?

• Thermometer

• Barometer

• Calorimeter

• Hygrometer

Tags

NGSS.HS-PS3-4

What type of reaction has a negative ΔH?

• Endothermic

• Exothermic

• Neutral

• Equilibrium

Tags

NGSS.HS-PS1-4

What is the main purpose of writing a thermochemical equation?

• To balance the chemical equation

• To show the energy change in the reaction

• To predict the products of the reaction

• To determine the reaction rate

Tags

NGSS.HS-PS3-4

NGSS.HS-PS1-4

What does the term "enthalpy change" refer to in chemistry?

• The speed of a reaction

• Heat

• The color change in a reaction

• The pressure of a system

Tags

NGSS.HS-PS3-4

NGSS.HS-PS1-4