What is the oxidation state of nitrogen in NaNO2?

(1) + 1 (3) + 3

(2) + 2 (4) + 4

The transfer of energy changes the what of water

Equal volumes of 0.5m HCl and 0.5m NaOH are mixed. The total volume of the resulting mixture is 2 liters. the pH of the resulting solution is A. 1 B. 2 C. 7 D. 4

Problem page in each of the molecules drawn below one chemical bond is colored red. decide whether this bond is likely to be polar or not.

Under certain conditions the rate of this reaction is zero order in dinitrogen monoxide with a rate constant of ·0.0047Ms-1: 2N2O (g) →2N2 (g) + O2 (g) Suppose a 2.0L ⁢ flask is charged under these conditions with 500. mmol of dinitrogen monoxide.

given the following reaction: CuO (s) + H2 (g) to Cu (s) + H2O (g). If 250 L of hydrogen gas are used to reduce copper (II) oxide at STP, what mass of copper is to be expected?

Who invented carbon element?

what natural resources are used to make a computer? what natural resource am i using to operate a computer?

What are 5 examples of physical changes and chemical changes?

Which statement is true of the carbon atoms that make up a diamond

How many moles of O2 are required to react completely with 1.396 g of Fe?