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Physics 9 Chapter 8 - Thermal Properties of Matter -21
1.
How much ice will melt by 50000 J of heat? Latent heat of fusion of ice = 336000 J kg
^{-1}
?
a) 1.50 g
b) 15.0 g
c) 3.366 g
d) 150 g
2.
What is the latent heat of vaporization of copper?
a) 1645.7 J Kg
^{-1}
b) 105.0 J Kg
^{-1}
c) 4810 J Kg
^{-1}
d) 1575.7 J Kg
^{-1}
3.
What is the boiling point of gold?
a) 219°C
b) 1603°C
c) 2660°C
d) 39°C
4.
What is the latent heat of fusion of gold?
a) 64.0 J Kg
^{-1}
b) 200.7 J Kg
^{-1}
c) 10500 J Kg
^{-1}
d) 158.7 J Kg
^{-1}
5.
What is the latent heat of vaporization of gold?
a) 1580 J Kg
^{-1}
b) 1645.7 J Kg
^{-1}
c) 105.0 J Kg
^{-1}
d) 1575.7 J Kg
^{-1}
6.
What is the melting point of helium?
a) 1603°C
b) -270°C
c) 219°C
d) 39°C
7.
What is the boiling point of helium?
a) 1603°C
b) 219°C
c) -269°C
d) 39°C
8.
What is the latent heat of fusion of helium?
a) 200.7 J Kg
^{-1}
b) 5.2 J Kg
^{-1}
c) 158.7 J Kg
^{-1}
d) 10500 J Kg
^{-1}
9.
What is the latent heat of vaporization of helium?
a) 1645.7 J Kg
^{-1}
b) 21 J Kg
^{-1}
c) 1575.7 J Kg
^{-1}
d) 105.0 J Kg
^{-1}
10.
What is the melting point of gold?
a) 219°C
b) 39°C
c) 1603°C
d) 1063°C
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