In the coefficient in a chemical formula do you multiply all of the elements by the coefficient or just the first one? For example 2C2H6 would there be 10 atoms or 16? Please fast answer​

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?

What causes most sediment to wash or fall into a river

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