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Physics, 10.03.2020 16:26 destinyshanece08
Cassandra is asked to identify a solution in her laboratory classroom as acidic, basic, or neutral. She is given litmus
paper as an indicator. Once placed in the solution, the red litmus paper turns blue,
What result can Cassandra expect when she tests the solution with the blue litmus paper?
The blue litmus paper will turn
The solution is
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Answers: 2
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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.
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Cassandra is asked to identify a solution in her laboratory classroom as acidic, basic, or neutral....
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