Use CER format and label each part. Support your answers to question 15 and 16 with evidence. As part of your evidence include the number and types of the specific molecules before and after cooling as well as evidence of a chemical change. (Pls help xnnsx)

Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.

Compare and contrast physical changes with chemical changes.

What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will