A nitrogen molecule (N2) has one triple bond. How many electrons do the nitrogen atoms share? A. 1
B. 3
C. 4
D. 6

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver

Imagine a small synthetic vesicle made from pure phospholipids enclosing an interior lumen containing 1 mm glucose and 1 mm sodium chloride. if the vesicle is placed in pure water, which of the following happens faster? a. na+ diffuses out. b. cl– diffuses out. c. h2o diffuses in. d. glucose diffuses out. e. sodium chloride diffuses out.