How many moles are in 2.3 grams of phosphorus

round to significant number i got .07 after round it to the significant number lease correct me i'm wrong

How does decreasing the gas volume affect the pressure of a gas?

Describe what happens to the molecules as water goes from ice to liquid to vapor. be sure to explain what happens to the temperature during the phase changes.

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