Ofa Which problem is balanced?
WT]-
cing
PbO2 + 2H2--> H2SO4
SO2 + H20 --> H2SO4
2Na + 2H20 --> 2NaOH + H2
NT] -
2 Na + 2H20 --> 2NaOH + H
mmary

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.

Is it safe to take 450mg of diphenhydramine hydrochloride?

Organisms that live in the alpine and taiga biomes have developed unique adaptations that aid in their survival. moss campion is one of the plants found in the alpine biome. it has small leaves and a cushion shape that protect it from the wind and freezing temperatures in the alpine. how has the moss campion adapted to enable its survival in the alpine biome? a. waxy needles b. cone-shaped c. thin trunks d. low-growing