Which of the following is true about a change from a solid to a liquid? the particles speed up. the particles slow down. the particles remain at the same energy level. the particles get closer together.

An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g

What is the volume of 2.5 moles of nitrogen gas (n2)at standard temperature and pressure (stp)?

What is true of composite volcanoes?