The vapor pressure of a substance at 30 C is 70 kPa and its enthalpy of vaporization is 20 kJ / mol Estimate the temperature (in K ) at which its vapor pressure is 90 kPa​

Reaction rate depends on how many molecules are coming into contact with each other with enough energy to react. increasing the temperature of the reactants will increase -

Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false