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Can the amount of heat needed to change temperature be negative?
Wiki User
∙ 14y ago
Mathematically, yes. Adding "negative heat" just means removing heat.
Surely there's been a time in the past when you dropped a lump or two of negative heat into your drink.
And sure enough ... once all that negative heat got into it, its temperature went down !
Wiki User
∙ 14y ago
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What is the amount of energy needed to raise the temperature of 1kg of water by 1 degree Celsius?
phase change
What is the amount of heat needed to change 1 kg of a specific material from liquid to vapor at a constant temperature?
Latent
What information is needed to calculate the amount of energy needed to heat of volume of water to some temperature?
You need the amount of water, the temperature of the water, and the desired temperature.
Why is it important to observe temperature change when two chemical are mixed?
The temperature change is needed to calculate the enthalpy change.
Why doesn't the temperature change fast during a phase change?
Basically because there is energy needed for the temperature to rise or become lower, but energy is also needed to change the phase, so instead of the energy being used to change the temperature, it is being used to change the phase, therefore temperature does not change.
The amount of energy needed to change a given mass of ice to water at constant temperature is called the heat of condensation crystallization fusion formation?
fusion
What temperature change is needed to change a liquid into a solid?
it depends on what type of liquid it is
What is needed for a change in state phase to happen?
Change in temperature or pressure/volume.
When the temperature of air rises the amount of water needed for saturation?
Increases
When the temperature of air rises the amount of water needed for saturation .?
Increases
How does moving fulcrum on a lever change the amount of force needed to move an object?
how does moving a fulcrum on a lever change the amount of force needed to move an object
How is the amount of heat needed to melt ice related to the amount of heat needed to freeze the same amount of water?
The two amounts are the same but have the opposite sign (positive vs negative).
