Calculate δ h ∘ in kilojoules for the reaction of ammonia (δ h ∘ f =−46.1 kj/mol) with o 2 to yield nitric oxide no (δ h ∘ f =91.3 kj/mol) and h 2 o(g) (δ h ∘ f =−241.8 kj/mol) , a step in the ostwald process for the commercial production of nitric acid.

Which of the following pressures is equal to 760 mm hg? 2.0 atm 101.3 pa 101,300 kpa 101,300 pa

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u.s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?