What is the mass percent of NH_Cl in the original 10.000 g of powdered mixture? Choose the closest answer. The formula for mass percent calculations is given below: %m/m = ma/Msample X 100 Select one: O 25.32% 95.42% A o 5.29% 48.62%

How air particles exert a pressure on the inside of the balloon

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

4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.