4. Hydrogen reacts with chlorine to produce hydrogen chloride, releasing 92.3 kJ/mol of
energy. Complete the thermochemical equation.

1/2H2(g)+ 1/2CI2(g) —> HCI(g)
AH= kJ

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?

Given that 1 mi = 1760 yd, determine what conver- sion factor is appropriate to convert 1849 yd to miles; to convert 2.781 mi to yards.

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