PLEASE I NEED YOUR HELP PLEA how many moles of calcium are needed to react to 6 moles of H2O in the following reaction: Ca + 2H2O = Ca(OH)2 + H2
(make sure to show work as well)

What are transitions between a liquid and gas called? identify which way they are transitioning

If two identical atoms are bonded,what kind of molecule is formed

Which of the following compounds would be expected to have the strongest ionic bonds? a)the compound that has b)the largest ions with the greatest charge c)the compound that has d)the largest ions with the least charge the compound that has the smallest ions with the greatest charge the compound that has the smallest ions with the least charge