In the tsi test, sodium thiosulfate acts as a substrate for the measure of what reaction?

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules

What volume would 2.25 moles of ne has occupy at stp?