Chemistry, 23.11.2020 16:30 ashleypaz15
A solution is prepared from 53.8 g of a nonvolatile, nondissociating solute and 85.0 g of
water. The vapor pressure of the solution at 60°C is 132 torr. The vapor pressure of water at
60°C is 150. torr. What is the molar mass of the solute?
Answers: 3
Chemistry, 22.06.2019 12:00
Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.
Answers: 3
Chemistry, 23.06.2019 06:00
Which change will decrease the number of effective collisions during a chemical reaction? a. adding a catalyst b. increasing the surface area c. decreasing the temperature d. increasing the reactant concentrations e. increasing the volume of the reactants
Answers: 2
Chemistry, 23.06.2019 10:30
Silver is a white metal that is an excellent conductor. silver tarnishes when exposed to air and light. the density of silver is 10.49 g/cm3. the melting point is 962oc and the boiling point is 2000oc. a chemical property of silver is
Answers: 3
A solution is prepared from 53.8 g of a nonvolatile, nondissociating solute and 85.0 g of
water. Th...
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