How much heat, in kilojoules, is needed to produce 1850 grams of ammonia (NH3), according to the following reaction? 2 N2 + 6 H2O 4 NH3 + 3 O2 ΔH = + 1530 kJ

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.