Senior One Quiz No.1

10 Questions | By Mraymanali53 | Updated: Mar 17, 2022 | Attempts: 120

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This quiz is on - systems- specific heat

Questions and Answers

1.

. The property of matter to increase in size on heating is called
- A.
  
  Thermal work
- B.
  
  Thermal energy
- C.
  
  Thermal expansion
- D.
  
  Thermal contraction
2.

2. Shining surfaces are
- A.
  
  good absorbers of heat
- B.
  
  Good radiators of heat
- C.
  
  Poor absorbers and poor radiators of heat
3.

3. A piece of metal is heated, then submerged in cool water. Which statement below describes what happens?
- A.
  
  a. The temperature of the metal will increase.
- B.
  
  b. The temperature of the water will increase.
- C.
  
  c. The temperature of the water will decrease.
- D.
  
  The temperature of the water will increase and the temperature of the metal will decrease
4.

4. How does a calorie compare to a joule?
- A.
  
  a. A calorie is smaller than a joule.
- B.
  
  b. A calorie is larger than a joule.
- C.
  
  c. A calorie is equal to a joule.
5.

5. If heat is released by a chemical system, an equal amount of heat will be ____.
- A.
  
  a. absorbed by the surroundings
- B.
  
  b. absorbed by the universe
- C.
  
  c. released by the surroundings
6.

-When a thermometer is cooled, the red liquid inside the thermometer moves down. This is mainly because:
- A.
  
  a) Water molecules are warm
- B.
  
  b) Water molecules are in motion
- C.
  
  C) The glass of the thermometer gets cold
7.

The quantity of heat required to change the temperature of 1 g of a water by 1 °C is defined as ____.
- A.
  
  Joule
- B.
  
  Calorie
- C.
  
  Specific heat
8.

7-How can you describe the specific heat of olive oil if it takes approximately 420 J of heat to raise the temperature of 7 g of olive oil by 30°C?
- A.
  
  a. greater than the specific heat of water
- B.
  
  b. less than the specific heat of water
- C.
  
  C. equal to the specific heat of water
9.

How many joules are in 148 calories? (1 cal = 4.18 J)
- A.
  
  619
- B.
  
  6.61
- C.
  
  3
10.

If 25 J are required to change the temperature of 5.0 g of substance A by 2.0°C, what is the specific heat of substance A?
- A.
  
  2.5 J/g°C
- B.
  
  250 J/g°C
- C.
  
  1 j/g c