. A bar of copper has a mass of 216g and a volume of 24cm3. What is the density of copper?

In which chemical equation, which symbol should be used to indicate that substance is in solution?

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma

The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n