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Test Unit 3 and 1,2,6 Dec2019 MEDUCA

Last updated almost 6 years ago
18 questions
1

Its a constant that indicates the amount of heat to melt a solid per unit mass

1

It is the average of the random kinetic energy of the molecules in a substance.

1

Is the total of the potential energy between molecules and the random kinetic energy of the particles.

1

Is the transfer of thermal energy to a substance.

1

Latent heat means

1

In order to convert Celsius to Kelvins we ...

1

If mass and temperature are fixed in a gas, when we increase the pressure ...

1

If mass and pressure are fixed in a gas, when we decrease the temperature ...

1

Q = mc∆T

1

The Boltzmann constant is ...

2

Answer correctly and show calculations.

2

Answer correctly and show calculations.

2

Answer correctly and show calculations.

2

Answer correctly and show calculations.

3

Answer correctly and show your work

3

Answer correctly and show your work

2

If m = 6.8 ± 0.3 kg and v = 1.9 ± 0.1 ms-1. Find the absolute uncertainty with correct significant figures for m•v

6

The block is sliding down with acceleration and friction. Sketch the forces on the block and the F.B.D. on the right.