10.0 g of calcium carbonate is treated with 10.0 g of HCl and, the percent yield of carbon dioxide is 79.5 percent. What is the
actual yield of the product?

Wind is related tot he movement or warm cold air masses which kind of heat transfer does this represent

Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?

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?