Homer uses 6.0 strings of Christmas lights, each string of lights uses 25.0 W, Homer leaves his Christmas lights on for 20 days straight (24/7). How much energy does Homer use?

Which statement describes evidence of a chemical reaction? a) ice melting eliminate b) water boiling c) lighting a match d) grape juice freezing

Which best describes why nh4+ can form an ionic bond with ci-?

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.