What is the density at STP of the gas sulfur hexafluoride, SF6? O 3.93 x 1024 g/L
O 0.153 g/L
O 6.52 g/L
O 3270 g/L

Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate → enzyme-substrate complex (b) enzyme + substrate ←−→ enzyme + products (c) enzyme + substrate ←−→ enzyme-substrate complex → enzyme + products (d) enzyme + substrate ←−→ enzyme-substrate complex → enzyme-substrate complex + products