Answer:
Water is not able to be used as a thermometer liquid because of its higher freezing point and lower boiling point than the other liquids in general. If water is used in a thermometer, it will start phase variation at 0∘C and 100∘C. This will not help in measuring temperature, beyond this range.
Explanation:
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Answer:
reacts with metals: acid
reacts with nonmetal: base
taste sour: acid
can cause burns: both
conduct electricity: both
taste bitter: base
Answer:
13.7%
Explanation:
Given that,
Heat absorbed by the engine = 97.2 kJ
Heat exhausted by the engine in each cycle = 83.8 kJ
We need to find the efficiency of the engine. It is calculated by the formula.
so, the efficiency of heat engine is 13.7%.
Answer:
you were sopposed to divide
Explanation:
2 J / 4 C = 1/2 joule per coulomb.
That's 1/2 volt.
