1. When sodium chloride combines with lead (II) nitrate it forms lead (II) chloride and sodium nitrate.

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.

Which of the following is a physical change? a.burning a piece of wood b.sawing a piece of wood in half c.rust forming on an iron fence d.a copper roof changing color from orange to green

Which statement best describes isomers? a. isomers are alcohols that have the same functional group. b. isomers have at least one carbon-carbon double bond. c. isomers have the same molecular formula but different structural properties.