LLHeat Equations

​Heat Equations

AGENDA:

• Review Questions

• Specific Heat

• Check on Learning​

• Heat of Fusion & Heat of Vaporization​ Notes

• Check on Learnin​

Multiple Choice

A measure of of how fast an object's particles are moving is a

• degree

• temperature

• thermometer

• heat

Multiple Choice

What type of reaction is this?

• Exothermic

• Endothermic

• Energy Producing

• No way to tell

Multiple Choice

ΔH value in an endothermic reaction is a positive number.

• True
• False

Multiple Choice

What is the Heat of Reaction $$\Delta H$$  for this reaction?

• -200 KJ

• 200 KJ

• 400 KJ

• -300 KJ

Multiple Choice

What kind of equation is this: 2KI + MgCl₂ + 200KJ ----> 2KCl + MgI₂

• Endothermic

• Exothermic

Specific Heat​

Subject | Subject

Some text here about the topic of discussion

Multiple Choice

What unit do you use to measure Thermal Energy?

• J/Kg ºC
• Kg
• ºC
• J

Multiple Choice

The symbol for specific heat is .......

• C

• Q

• m

• T

Multiple Choice

If I have 2 blocks of Aluminium (one of 1kg and one of 10 kg) and heat them up.
Which one heats up the fastest.

• 1 kg
• 10 kg
• They both heat up at the same speed
• They don't heat up.

Multiple Choice

If I heat up 2 pans of water one has 100 mL in it and one has 1000mL. Which one heats up the fastest?

• 100 mL
• 1000 mL
• They both heat up at the same speed
• They cool down.

Multiple Choice

What is the formula to calculate heat energy required to raise the temperature of any substance?

• Q=mc∆t

• Q=mH

• Q= ½mv

• m=QC

Heat of Fusion​ and Heat of Vaporization

Subject | Subject

Some text here about the topic of discussion

Multiple Choice

Changing water from a LIQUID to a SOLID is called HEAT OF ________?

• Transfer

• Fusion

• Vaporization

• Condensation

Multiple Choice

Changing water from a LIQUID to a VAPOR is called HEAT OF ________?

• Transfer

• Fusion

• Vaporization

• Condensation