What is the law that states the mass of the reactants must equal the mass of the products?

You carry a 7.0-kg bag of groceries 1.2 m above the ground at constant speed across a 2.7m room. how much work do you do on the bag in the process? (a) 157j (b) 0.00j (c) 185j (d) 82j

An electric current in a wire will push or pull on a permanent magnet. which statement best explains how an electric current creates an electromagnetic force on another magnet?

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering