Write the molecular formula for a compound with the possible elements c, h, n and o that exhibits a molecular ion at m+ = 100.090.

How many miles of water are produced if 5.43 mol pbo2 are consumed

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

Analyze the reaction to determine whether the reaction is exothermic or endothermic. explain your reasoning.