A piece of zinc is dropped into a volume of nitric acid and 37.0L of hydrogen gas was produced. The hydrogen gas was collected at 20.0 C and at 85.0 kPa. What mass of
zinc was reacted?

Write a brief passage describing a neutral atom of nitrogen-14 (n-14). describe the number of protons, neutrons, and electrons in the atom, where each type of particle is located, and how the terms atomic number, mass number, and atomic mass are related to the particles. use the periodic table to you. 14 protons and eletrons since its a neutral atom

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.

In which of the following phases of matter do molecules have the highest amount of energy? a. liquid b. gel c. solid d. gas