What is the difference between strong and weak bases

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

If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted

Mach the labels with the symbols on the weather map