Which chemical equation below is balanced correctly? al4c3 + 12h2o yields 3ch4 + 4al(oh)3 nacl + cao yields na2o + cacl2 3lioh + fe(no3)3 yields 2lino3 + fe(oh)3 zn + 2hcl yields zncl2 + 2h2

What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?

Iwould appreciate if someone could me.