What is the heat capacity of a substance in which 100 grams will increase in temperature from 33.3°C to 78°C when it absorbs 5632 joules of heat? Don't
forget to include units!

Which type of substance ionizes partially and gives off hydrogen ions when dissolved in water? a. strong acid b. strong base c. weak acid d. weak base

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius

How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next