Background:Specific heat capacity of the substance is the change of energy when 1kg of the substance increases or decreases 1℃ of temperature.The material with high specific heat capacity can carry more energy , and we can use it to control the change of tempurature.
Table:specific heat capacity of some substances
According to the video and the table,which option is correct?
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Hydrogen has a very high specific heat capacity , and it will take away lots of energy when human touch it .
Sea water has a lower specific heat capacity than water,so water can take away more heat from the air to decrease the temperature.
Water has a higher specific heat capacity than ethanol.According to the video, water can bring more energy so it is the better heating agent.
Silver has a lower specific heat capacity,so the temperature of silver pan will increase faster and it would be more dangerous.