What are two ways non metalic minerals can be used? a. wiring and gems b. conductors and for industrial purposes c. gems and as conductor d. industrial processes and gems

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

Given the following reaction: c3h8+5o2=3co2+4h20 how many grams of co2 will be produced 7 g of c3h8 and 98 g of o2

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