Chemistry, 31.05.2021 22:30 Mw3spartan17
A sample of gas was found to have a density of 1.161 g/L. The sample was at 1.018 atm and 299.270 K. What was the molar mass of the gas sample? (Input molar mass as g/mol.)
Answers: 2
Chemistry, 21.06.2019 18:00
Acylinder is filled with 2.00 moles of nitrogen, 3.00 moles of argon and 5.00 moles of helium. if the gas mixture is at stp, what is the partial pressure of the argon
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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.
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Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.
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A sample of gas was found to have a density of 1.161 g/L. The sample was at 1.018 atm and 299.270 K....
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