The volume of a gas is 5L at a temp of 70C. What will be the new volume if the temp is raised to 200?

Based on the equation, how many grams of br2 are required to react completely with 29.2 grams of alcl3? alcl3 + br2 → albr3 + cl2 48.7 grams 52.6 grams 56.7 grams 61.3 grams

Which of the following observations indicates that an atom has neutrons? some uncharged particles are scattered by a beryllium atom when it hits a gold foil. some uncharged particles bounce back from a gold foil when it is bombarded with alpha particles. a radiation consisting of uncharged particles is emitted when alpha particles strike beryllium atoms. a radiation which attracts electrons is produced when a beryllium atom is bombarded with alpha particles.

The process by which liquid water changes into water vapour is called what ?