Looking at the following equation, which is the correct order of coefficients? NH3 + O2 --> NO + H2O

Zinc + lead(ii) nitrate yield zinc nitrate + leadwhat's the chemical equation for this?

The isotonic saline solution described in part a is connected to an unknown solution via a semipermeable membrane, the unknown solution level drops. based on this information, what can be said about these two solutions?

Sylvanite is a mineral that contains 28.0% gold by mass. how much sylvanite would you need to dig up to obtain 77.0 g of gold? explain how you got your answer and the steps you took. you