Question

In 1801 Humphrey Davy rubbed together pieces of ice inside an ice-house. He took care that nothing in their environment was at a higher temperature than the rubbed pieces. He observed the production of drops of liquid water. Make a table listing this and other experiments or processes, to illustrate each of the following.
(a) A system can absorb energy by heat, increase in internal energy, and increase in temperature.
(b) A system can absorb energy by heat and increase in internal energy, without an increase in temperature.
(c) A system can absorb energy by heat without increasing in temperature or in internal energy.
(d) A system can increase in internal energy and in temperature, without absorbing energy by heat.
(e) A system can increase in internal energy without absorbing energy by heat or increasing in temperature.
(f) What If? If a system’s temperature increases, is it necessarily true that its internal energy increases?


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  • CreatedOctober 20, 2009
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