4 NH3(g) + 5 O2(g) → 4 NO (g) + 6 H2O (g) Use the balanced equation above to calculate the number of moles of water vapor that
can be produced from 25.0 g of NH3 and excess oxygen gas.

Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol

Compare and contrast the bohr model and the electron cloud models of the atom.

If the concentration of phosphate in the cytosol is 2.0 mm and the concentration of phosphate in the surrounding fluid is 0.1 mm, how could the cell increase the concentration of phosphate in the cytosol? a) passive transportb) diffusionc) active transportd) osmosise) facilitated diffusion