Temperature Conversions
Convert 30 C to K
1. C = (5/9)(F - 32)
2. F = (9/5)C + 32
3. K = C + 273
4. C = K - 273
303 K
Calculate the density of 34 g of a liquid measured into 47 mL of a container
0.72 g/mL
What is the term for the process of heat transfer through airways, or by indirect contact?
Radiation
This is the term for the lowest possible measure of temperature
Absolute Zero
Convert 168 K to C
1. C = (5/9)(F - 32)
2. F = (9/5)C + 32
3. K = C + 273
4. C = K - 273
-105 C
Calculate the mass of a liquid with a density of 3.4 g/mL and a volume of 20 mL
68 g
What is the term for the transfer of heat by direct contact?
Conduction
This is the term for thermal energy that is passed from an object of higher temperature to an object of lower temperature
Heat
Convert 48 F to C
1. C = (5/9)(F - 32)
2. F = (9/5)C + 32
3. K = C + 273
4. C = K - 273
8.89 C
Calculate the volume of a block of sugar that has a mass of 57 g and a density of 2.1 g/cc
27.14 cc
What is the difference between heat and temperature?
Heat = total kinetic energy
Temperature = average kinetic energy
This is a term for the measure of a given mass and weight of an object once it is suspended into a container
Density
Convert 21 C to F
1. C = (5/9)(F - 32)
2. F = (9/5)C + 32
3. K = C + 273
4. C = K - 273
69.8 F
Calculate the volume of a liquid that has a mass of 80 mg and a density of 0.7 g/mL
0.11 mL
What is the term for heat transfer by the rising and falling of heated and cooled air?
Convection
This is the term for a material that helps reduce the transfer of heat from one material to another
Insulation
Convert 8 F to K
1. C = (5/9)(F - 32)
2. F = (9/5)C + 32
3. K = C + 273
4. C = K - 273
259.8 K
50 g of iron shot is added to a graduated cylinder containing 2.3 L of water. The water rises to the 2.9 L mark. From this info, calculate the density of iron.
0.08 g/mL
List two examples of heat transfer NOT already talked about in class.
Answers will vary!
This is the term for the amount of energy needed to raise the temperature of an object by 1 degree.
(Hint: It is a TYPE of heat)
Specific heat