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

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

Each pair of clay balls represents to planetesimals if each plane test molluscum pound of the same material and is separated by the same distance which pair experiences the greatest gravitational attraction

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.