Chemistry, 19.09.2019 18:00 destinywashere101
Which of the following refers to a chemical property? . a. at room temperature, mercury is a liquid, but gold is a solid.. b. water will not burn, but gasoline is flammable.. c. a diamond is harder than chalk.. d. butter melts at room temperature, but gelatin does not.
Answers: 1
Chemistry, 23.06.2019 06:30
Which of these describes how heat is transferred by convection* a. sunlight travels through space without the aid of fluids or solids. b. warm air rises and takes the heat with it, eventually, it cools and sinks c. air at the equator rises and sinks at the poles. d. air molecules touch the warm ground, heating them up *not conduction
Answers: 3
Chemistry, 23.06.2019 10:30
When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water vapor in her collecting bottle if the pressure in the collecting bottle is 97.1 kilopascals and the vapor pressure of the water is 3 2 kilopascals, what is the partial pressure of the hydrogen?
Answers: 1
Chemistry, 23.06.2019 19:00
Which of these questions is scientific? what is the age of earth? should oil drilling be banned? should medicines be tested on animals? what is the most interesting subject to study?
Answers: 2
Chemistry, 23.06.2019 20:00
The osmotic pressure exerted by a solution is equal to the molarity multiplied by the absolute temperature and the gas constant r. suppose the osmotic pressure of a certain solution is measured to be 12.atm at an absolute temperature of 317k. write an equation that will let you calculate the molarity c of this solution. your equation should contain only symbols. be sure you define each symbol other than r. equation: c=? definition of symbols: ? = 12 atm ? = 317 k
Answers: 3
Which of the following refers to a chemical property? . a. at room temperature, mercury is a liquid...
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