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You subtract the initial from the after, and the result is the change. If the initial temperature is 50º and the after is 70º, then the change is +20º.
The distance varies very little so the temperature change is small, probably too small to be measured at present.
The teamperature does not change
No it is not, as the ice will still retain its chemical properties. This is an example of a physical change. Remember that the indicators of a chemical change are a change in colour, a change in odour, a change in temperature, the formation of a precipitate, or a gas being given off.
A change in temperature will result in a change in the speed of sound. The frequency of a flute organ pipe is proportional to the speed of sound. For example, an increase in temperature will cause an increase in the speed of sound, and hence the pitch of the pipe will go up. A change of about 4oC will cause a change in the pipe's sound frequency of about 1%. That compares with a change of 6% between adjacent notes on the keyboard. Hence such a change would be significant.The same effect occurs for the woodwind and brass instruments.
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You subtract the initial from the after, and the result is the change. If the initial temperature is 50º and the after is 70º, then the change is +20º.
Sometimes this is possible.
temperature of the water
Thermal shock is a result of parts of an object that incurs damage from a sudden temperature change. People can also have thermal shock in their bodies as a result of sudden temperature change.
how can changes in temperature and /or air pressure result in the formation of clouds
Almost all chemical changes release or take in energy, and thus do result in changes in temperature.
Perhaps a small amount.
The distance varies very little so the temperature change is small, probably too small to be measured at present.
V=IRR changes as a result of the change in temperature.
The Temperature is the Independent Variable (50 degrees, 100 Degrees etc.) Whatever happens as a result of the temperature change is the dependent variable.
Heat raises the temperature of the material. If the change is small then there is only a physical change and allowing the material to return to its original temperature will return it to its original physical state.However, too much heat can result in chemical changes which are usually not reversible. For example, if you heat a piece of plastic enough it will crumple into a charred mass. That charred mass will not return to the pristine plastic.