3. In the following reaction, 50.5 g of NO reacted with 51.8 g of O2, and this resulted in a 94.3% yield. What was
the actual yield of the No, in grams?
2 NO + 0, 2 NO,

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."

the mantle

explanation:

earth is divided into three layers: the crust or the outermost layer on which we live; the underlying, middle layer - the mantle - and the core (the innermost layer of earth).

the answer is c i believe