Which of the following best explains what happens when you add ice to a glass of water? The water becomes warmer because it gains heat energy from the air.
Heat energy moves from the ice cubes to the water.
Heat energy moves from the water to the ice cubes.
The ice cubes make the water colder by releasing coolness into the water.

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

Ammonia and oxygen react to form nitrogen monoxide and water, like this: 4nh3 (g) + 5o2 (g) → 4no (g) + 6h2o (g) also, a chemist finds that at a certain temperature the equilibrium mixture of ammonia, oxygen, nitrogen monoxide, and water has the following composition: compound pressure at equilibrium nh3 65.1atm o2 31.3atm no 62.7atm h2o 65.8atm compound pressure at equilibrium nh3 65.3 atm o2 7.79 atm no 12.1 atm h2o 65.8 atm calculate the value of the equilibrium constant kp for this reaction. round your answer to 2 significant

If a particle has z = 25 and 23 electrons, what is its charge?