Page 141 - Teacher Preview Copy
P. 141
.
Topic 1 – Matter and Energy
15. Temperature: Conversion (calculating) from one unit to another
o
1. Which temperature is equivalent to 50 C?
1) 50 K 2) 223 K 3) 373 K 4) 323 K
o
2. What is the equivalent of 23 C on a Kelvin scale? 3) -250 4) -296
1) +50
2) +296
o
3. The temperature of -30 C is the same as 3) 30 K 4) 70 K
1) 243 K
2) 303 K
o
o
o
o
4. What is the equivalent of 546K on a Celsius scale? 3) 818 C 4) 546 C
1) 273 C
2) -273 C
5. The temperature of 30 K is equivalent to
o
o
o
o
1) 243 C 2) -243 C 3) 303 C 4) -303 C
6. Which temperature is equivalent to 300 K?
o
o
o
o
1) 23 C 2) 300 C 3) 573 C 4) 73 C
7. The temperature of a sample of water is changed from 10 C to 30 C. The difference between these Need Help? Study Book Pg 11 Set 18
o
o
temperatures in Kelvin will be 3) 20 K 4) 303K
2) 100K
1) 273 K
8. At STP, the difference between the boiling point and the freezing point of water in Kelvin scale is
2) 273
3) 180
4) 100
1) 373
o o
9. A liquid’s freezing point is -38 C and its boiling point is 357 C. What is the number of Kelvin degrees
between the boiling and the freezing point of the liquid?
1) 319 2) 592 3) 668 4) 395
10. Heat is being added to a given sample. Compared to the Celsius temperature of the sample, the
Kelvin temperature will 3) Have the same reading at 0 C
o
o
1) Always be 273 lower
o
o
2) Always be 273 greater 4) Have the same reading at 273 C
16. Heat flow: Relating heat flow to temperature
1. Solid A and Solid B are adjacent to each other. Object B has a temperature of 30 C . Heat will flow
o
from A to B when the temperature of A is o o o
o
1) 10 C 2) 20 C 3) 30 C 4) 40 C
2. A solid material X is place in liquid Y. Heat will flow from Y to X when the temperature of
o
o
o
o
1) Y is 20 C and X is 30 C 3) Y is 15 C and X 10 C
o
o
o
o
4) Y is 30 C and X is 40 C
2) Y is 10 C and X is 20 C
o o
3. Object A is at 40 C and Object B is at 50 C. Which is true of the heat flow between these two objects?
1) Object B will lose heat to A and A will increase in temperature
2) Object B will lose heat to A and A will decrease in temperature Need Help? Study Book Pg 14 Set 21 - 22
3) Object A will lose heat to B and B will increase in temperature
4) Object A will lose heat to B and B will decreases in temperature
4. Which diagram correctly shows direction of heat flow between the two objects?
60 C Heat flow 60 C 55 C Heat flow 60 C
o
o
o
o
1) 3)
o
o
2) 60 o C Heat flow 55 C 4) 55 C Heat flow 55 C
o
Copyright©2010 E3 Scholastic Publishing. All Rights Reserved. SurvivingChem.com 131
Topic 1 – Matter and Energy
15. Temperature: Conversion (calculating) from one unit to another
o
1. Which temperature is equivalent to 50 C?
1) 50 K 2) 223 K 3) 373 K 4) 323 K
o
2. What is the equivalent of 23 C on a Kelvin scale? 3) -250 4) -296
1) +50
2) +296
o
3. The temperature of -30 C is the same as 3) 30 K 4) 70 K
1) 243 K
2) 303 K
o
o
o
o
4. What is the equivalent of 546K on a Celsius scale? 3) 818 C 4) 546 C
1) 273 C
2) -273 C
5. The temperature of 30 K is equivalent to
o
o
o
o
1) 243 C 2) -243 C 3) 303 C 4) -303 C
6. Which temperature is equivalent to 300 K?
o
o
o
o
1) 23 C 2) 300 C 3) 573 C 4) 73 C
7. The temperature of a sample of water is changed from 10 C to 30 C. The difference between these Need Help? Study Book Pg 11 Set 18
o
o
temperatures in Kelvin will be 3) 20 K 4) 303K
2) 100K
1) 273 K
8. At STP, the difference between the boiling point and the freezing point of water in Kelvin scale is
2) 273
3) 180
4) 100
1) 373
o o
9. A liquid’s freezing point is -38 C and its boiling point is 357 C. What is the number of Kelvin degrees
between the boiling and the freezing point of the liquid?
1) 319 2) 592 3) 668 4) 395
10. Heat is being added to a given sample. Compared to the Celsius temperature of the sample, the
Kelvin temperature will 3) Have the same reading at 0 C
o
o
1) Always be 273 lower
o
o
2) Always be 273 greater 4) Have the same reading at 273 C
16. Heat flow: Relating heat flow to temperature
1. Solid A and Solid B are adjacent to each other. Object B has a temperature of 30 C . Heat will flow
o
from A to B when the temperature of A is o o o
o
1) 10 C 2) 20 C 3) 30 C 4) 40 C
2. A solid material X is place in liquid Y. Heat will flow from Y to X when the temperature of
o
o
o
o
1) Y is 20 C and X is 30 C 3) Y is 15 C and X 10 C
o
o
o
o
4) Y is 30 C and X is 40 C
2) Y is 10 C and X is 20 C
o o
3. Object A is at 40 C and Object B is at 50 C. Which is true of the heat flow between these two objects?
1) Object B will lose heat to A and A will increase in temperature
2) Object B will lose heat to A and A will decrease in temperature Need Help? Study Book Pg 14 Set 21 - 22
3) Object A will lose heat to B and B will increase in temperature
4) Object A will lose heat to B and B will decreases in temperature
4. Which diagram correctly shows direction of heat flow between the two objects?
60 C Heat flow 60 C 55 C Heat flow 60 C
o
o
o
o
1) 3)
o
o
2) 60 o C Heat flow 55 C 4) 55 C Heat flow 55 C
o
Copyright©2010 E3 Scholastic Publishing. All Rights Reserved. SurvivingChem.com 131
