1. which of the following enzyme catalyzes the first step of glycolysis? a) hexokinase b) pyruvate kinase c) glucokinase d) phosphofructokinase-1

Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2al(s)+3cl2(g)→2alcl3(s) what is the maximum mass of aluminum chloride that can be formed when reacting 32.0 g of aluminum with 37.0 g of chlorine? express your answer to three significant figures and include the appropriate units.

Explain why pure hydrogen cyanide does not conduct electricity, but become a conductor when it is dissolved in water? (at room temp, pure hcn exists as a volatile liquid)

Joan writes four numbers on the board in standard form, and then she writes their scientific notation