A fixed amount of gas (n) at 21 C exhibits a pressure of 752 torr and occupies a volume of 5.12 L. Calculate the volume the gas will occupy if the pressure is increased to 1.88 atm while the temperature is held constant.

Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?