Thermochemistry Test Review

• calories

• catalyst

• specific heat

• calcium

In a closed system...

• only matter can transfer

• only energy can transfer

• both energy and matter can transfer

• nothing can transfer

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-5

You put your hot pan in the sink and added running cold water, how is the heat transferred?

• Heat from the pan flows into water

• Coldness of water takes away heat

• Coldness of water gets into the pan

• temperature does not change

Tags

NGSS.HS-PS3-4

What is the SI unit for q?

• Joules

• Calories

• Julie

• specific heat

Temperature and heat refers to the same idea

• True

• False

________ is the measurement of the average kinetic energy of an object

• Heat

• Temperature

• energy

When a candle is burning, which type of reaction is it? What is the ΔH?

• Endothermic / positive ΔH

• Endothermic / negative ΔH

• Exothermic / positive ΔH

• Exothermic / negative ΔH

Tags

NGSS.HS-PS1-4

• Endothermic rxn

• Exothermic rxn

Tags

NGSS.HS-PS1-4

How much heat will an aluminum cube absorb if 10 grams are heated from 25℃ to 50℃? The specific heat of aluminum is 0.9J/g℃

• 450

• 225

• 350

• 175

Tags

NGSS.HS-PS3-4

This graph represents

• endothermic rxn

• exothermic rxn

Tags

NGSS.HS-PS1-4