Very important
how do enzymes catalyze chemical reactions?
by giving up electrons

by positioning substrates and destabilizing bonds

by acting as substrates and forming new products

by being used up in the reaction

If 200.0g of copper(ll) sulfate react with an excess of zinc metal, what is the theoretical yield of copper

Find the empirical formula of each of the following compounds. given mass or for each element in a sample of the compound 3,611 g ca; 6.389 g c1

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?