QUESTION 3 The reaction of nitrogen and hydrogen proceed as follows: N2(g) + 3H2(g) → 2NH3 (9) If the rate of nitrogen at a particular instant in a reaction vessel is 4.2 x 10-3 mol L-15-1 what is the rate of disappearance of H2.?​

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll

Isopropyl alcohol, (ch3)2choh, is a common solvent. determine the percent by mass of hydrogen in isopropyl alcohol. a) 6.71% h b) 13.4% h c) 25.0% h d) 53.3% h