Galium has two isotopes of 31Ga69and 31Ga79 with relative mass of 6819 and 70.9 respectively if the average atomic mass of each isotopes respectively​

Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work