How much nh3 can be produced from the reaction of 74.2 g of n2 and 14.0 moles of h2?

A48 g piece of ice at 0.0 ∘c is added to a sample of water at 7.4 ∘c. all of the ice melts and the temperature of the water decreases to 0.0 ∘c. how many grams of water were in the sample?

Asample of neon occupies a volume of 375 ml at stp. what will be the volume of neon if the pressure is reduced to 90.0 kpa? a. 422 ml b. 422 l c. 333 ml d. 333 l

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh