Which pair has the same empirical formula C2H4O2 and C6H12O6
CH4 and C2H6
C3H6O3 and C2H6O2
NaCrO4 and Na2Cr2O7

Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?

An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.

Adirect relationship can be represented by: a curve a pie chart