What must be true for a substance to dissolve in water? A. The free energy change of dissolving must be positive.
B. The enthalpy and entropy terms must combine for a favored
reaction.
C. The entropy term must be positive.
D. The energy required to break bonds apart must be greater than the
energy released from the substance reacting with the solvent.

How many grams of n2h4 will be consumed by 23 g of n2o4

Categorize them by metal, nonmetal, in periodic tableductilenon-ductilemalleableoft en gain electrons easilygood conductorpoor conductorcan be liquidselements

How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next