The decomposition of calcium carbonate, CaCO3(s) > CaO(s)+CO2(g), has the following values for free energy and enthalpy at 25.0°C /\G=130.5 kJ/mol
/\H=178.3 kJ/mol

What is the entropy of the reaction?
Use /\G=/\H-T/\S

A. -160.3J/(mol. K)
B. -47.8J/(mol. k)
C. 160.3 J/(mol. k
D. 1912 j/(mol. k

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

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.