A 2.241 g sample of nickel combines with oxygen to produce 2.852 g of a metal oxide. Calculate the number of grams of oxygen in the metal oxide

For the following, determine the type of reaction and then give products.

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?

Which of the following is most likely true about water in chemical solutions?