Ineed on #2 a and b. explain steps and answer

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.

Wind and moving water provide energy. chemical mechanical thermal none of the above

What is produced from neutralization of an acid and a base? a. hydronium ions b. citric acid c. salt and water