Ca+HCI—>CaCI2+H2, what is the reaction?

0.09 moles of sodium sulfate in 12 ml of solution

What is the polyatamic ion of borate

To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. a chemical engineer places a mixture of noble gases consisting of 4.37 g of he, 13.36 g of ne, and 36.65 g of kr in a piston-cylinder assembly at stp. calculate the partial pressure in torr of kr.