AP Chemistry Thermochemistry

A reaction that releases energy is called?

• exothermic
• endothermic
• hypothermic
• hyperthermic

Tags

NGSS.HS-PS1-4

Energy stored in the chemical bonds of the substance is called?

• kinetic energy
• chemical potential energy
• heat

Tags

NGSS.HS-PS1-4

The energy that is transferred from one object to another because of a temperature difference.

• entropy
• heat
• themochemistry
• calorie

Tags

NGSS.HS-PS3-4

Reactions that absorb heat from its surroundings are?

• exothermic
• endothermic
• hypothermic
• hyperthermic

Tags

NGSS.HS-PS1-4

The amount of heat it takes to raise the temperature of 1 gram of a substance by 1 C.

• heat
• specific heat
• heat capacity
• joules

This device is used to measure the absorption or release of heat in a chemical or physical process.

• calorimeter
• calorimetry
• heat capacity
• specific heat

Tags

NGSS.HS-PS3-4

For an endothermic reaction, the heat is on the ____ side.

• reactant
• product
• either side

Tags

NGSS.HS-PS1-4

If ∆H is negative, the reaction is?

• exothermic
• endothermic

Tags

NGSS.HS-PS1-4

The amount of heat released or absorbed depends on the number of ____ of the reactants and products.

• volume
• moles
• mass
• chemical composition

A 200 g piece of copper was heated from 25 °C to 40 °C.  Its specific heat is 0.387J/g °C, what is the   amount of heat absorbed?

• 1161 Joules
• 1161 calories
• 3096 Joules
• 1935 Joules

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4