Chemistry, 07.06.2021 06:00 nicayakhalia
A man of 450 N covers an area of 0.0015m2 while standing on his feet. calculate the pressure exerted by him on the ground.
Answers: 3
Chemistry, 22.06.2019 13:50
How does the motion of particles in a gas change as the gas cools
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Chemistry, 22.06.2019 22:00
4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.
Answers: 2
Chemistry, 23.06.2019 04:31
Areaction is first order. if the initial reactant concentration is 0.0200 m, and 25.0 days later the concentration is 6.25 x 10-4 m, then its half-life is:
Answers: 1
Chemistry, 23.06.2019 04:31
What is the amount of energy for a photon that has a 125 cm wavelength
Answers: 2
A man of 450 N covers an area of 0.0015m2 while standing on his feet. calculate the pressure exerted...
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