If you need to multiply the following reaction by 2 to be an intermediate reaction in a Hess's law problem, what would be the final value for the
enthalpy of reaction you use for this intermediate reaction? C2H4 +3 022
CO2 + 2 H20, AH = -1410 kJ

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

All of the following are part of the biosphere except

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.