You know that a chemical reaction is taking place if
A) chemical bonds are formed or broken.
...
Physics, 24.03.2021 06:40 singhmanny3526
You know that a chemical reaction is taking place if
A) chemical bonds are formed or broken.
B) the temperature of a substance increases.
C
electrons move in a steady current.
D) All of these are correct.
Answers: 1
Physics, 22.06.2019 11:30
If forces acting on an object are unbalanced. true or false
Answers: 1
Physics, 22.06.2019 12:50
Air is contained in a variable-load piston-cylinder device equipped with a paddle wheel. initially, air is at 400 kpa and 17°c. the paddle wheel is now turned by an external electric motor until 75 kj/kg of work has been transferred to air. during this process, heat is transferred to maintain a constant air temperature while allowing the gas volume to triple. calculate the required amount of heat transfer in kj/kg.
Answers: 2
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