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1. which of the following systems has the highest entropy?

a. a cup of ice at 0 degrees c

b. a cup of water at 50 degrees c

c. a cup of water at 0 degrees c

d. a cup of ice at −15 degrees c

2 the change in free energy, or δg, represents the maximum amount of energy available to do useful work.

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false

Motivation cannot be developed with practice; a person either possesses it or they do not.

Ase your answer to this question on the information below.hydrocarbons and fissionable nuclei are among the sources used for the production of energy in the united states. a chemical reaction produces much less energy than a nuclear reaction per mole of reactant.the balanced chemical equation below represents the reaction of one molecule of a hydrocarbon with two molecules of oxygen.chemical equation: ch4 + 2o2 → co2 + 2h2o + 1.48 × 10−18 jthe nuclear equation below represents one of the many possible reactions for one fissionable nucleus. in this equation, x represents a missing product.nuclear equation: write an isotopic notation for the missing product represented by x in the nuclear equation.

0.09 moles of sodium sulfate in 12 ml of solution