A cylinder of height 0.1 [m] and diameter 0.1 [m] is held at a temperature of 290 [K] and pressure of 1.075 x 105 [N/m2]. The ideal gas constant is 300 [J/kgK]. Which answer best describes the mass of gas contained in the cylinder

You are performing an experiment in a lab to attempt a new method of producing pure elements from compounds. the only problem is that you do not know what element will form. by your previous calculations you know that you will have 6.3 moles of product. when it is complete, you weigh it and determine you have 604.4 grams. what element have you produced?

What are the first three quantum numbers for the electrons located in subshell 2s?

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