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Heat Transfer
Energy
Heating Curves
Specific Heat
Previous Units
100
The transfer of heat through direct contact
What is a conduction?
100

An example of electrical energy.

What is a lamp, lights, computer?

100

The change from liquid to gas is called what in a heating curve?

What is ΔH of vaporization?

100

Tell me what each variable in q=m x c x Δ T means.

q = Heat energy in Joules

m = mass in grams

c = specific heat in J/gC

Δ T = change in Temperature in degrees C

100

The positive subatomic particle.

What is the proton?

200
The transfer of heat in a liquid and gas through the movement of molecules
What is convection?
200

Example of nuclear energy.

What is fission, fusion?

200

This phase has the least amount of kinetic energy.

What is the solid phase?

200

What is the change temperature  when 52 g of Al releases 1,157 J with the specific heat of 0.89 J/goC.

25 oC,

200

The Law of Conservation of Matter states

Matter is neither created nor detroyed

300
The transfer of heat through space via electromagnetic waves
What is radiation
300

The Hoover Dam is an example of an energy transformation from ____________ energy to ____________ energy.

Mechanical to Electrical

300

The phase with the highest temperature (not plasma)

What is gas?

300

The specific heat of water is 4.18 j/g c. The temperature changes by 10 degrees when there are 418 joules of heat added. What is the mass?

10 g

300

An ionic bond is between...

A metal and a nonmetal

400

How is a blacktop heated up outside

What is radiation from the Sun?

400

The type of energy stored in chemical bonds.

What is chemical energy?

400

The change from solid to liquid

What is melting?

400

What is the change in temperature when 10 g of water with a specific heat of 4.186J/gC releases 100 joules of energy.

2.39 degrees celsius

400

What is the main difference in how electrons behave in ionic and covalent bonds?

Covalent = shared

Ionic = Transferred

500

Boiling water is an example of ___________ heat transfer.

What is convection?

500

If a ball is rolling down a hill then the energy is (hint potential, kinetic, or some potential some kinetic)

Some potential some kinetic

500

ΔH fus means what?

What is Heat of Fusion?

500

Temperature of sand with a specific heat of .29J/gC drops from 50 degrees Celsius to 15 degrees Celsius. It loses 500 joules of heat. What is the mass?

49.26 g

500

What is the difference between fusion and fission?

Fission is the splitting of a large nucleus into two smaller 

Fusion is the fusing of two smaller nuclei into a larger