Which metal absorbs the greatest amount of heat energy
1 answer:
Answer:
This question is incomplete but the completed question is in the attachment below. And the correct is b
Explanation:
Specific heat capacity can be defined as the amount of heat required to raise to raise 1 kg of a substance by 1 kelvin. Thus, this means that when the specific heat capacity of a substance is high, it takes more energy to increase the temperature of that substance. This also means that when different substances are subjected to the same amount of heat, the substance with the higher specific heat capacity will absorb less heat; for example at a beach, water has a very high specific heat capacity, thus when the sand in the beach is hot, the beach water is still relatively cold.
From the description above, <u>it can be seen that the metal with the least specific capacity will absorb the greatest amount of heat, thus the metal is lead</u> with the specific heat capacity of 0.129 J/(g. °C).
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Answer:
The heat lost by the water 3.8 KJ
The heat gain by ice = 228.76 J
The heat required to melt the ice = 3340 J
Explanation:
Mass of ice cube = 10 gm
Initial temperature of ice cube = 0 °c
Mass of water = 100 gm
Initial temperature of water = 20 °c
Final temperature of mixture = 10.93 °c
(a). Total heat lost by the water
(
-
)
⇒ 100 × 4.184 (20 - 10.93)
⇒ 3.8 KJ
This is the heat lost by the water.
(b). Heat gained by the ice cube =
⇒ = 10 × 2.093 × ( 10.93 - 0)
⇒ = 228.76 J
This is the heat gain by ice.
(C). Heat required to melt the ice =
× Latent Heat
⇒ = 10 × 334
⇒ = 3340 J
This is the heat required to melt the ice.