Chemistry, 19.03.2021 22:50 thelonewolf5020
Calculate the amount of heat energy required to melt 550.0 grams of copper, already at its melting point. NEED ASAP
Answers: 1
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A0.10 m aqueous solution of sodium sulfate is a better conductor of electricity than a 0.10 m aqueous solution of sodium chloride. which of the following best explains this observation? (a) sodium sulfate is more soluble in water than sodium chloride. (b) sodium sulfate has a higher molar mass than sodium chloride. (c) to prepare a given volume of 0.10 m solution, the mass of sodium sulfate needed is more than twice the mass of sodium chloride needed. (d) more moles of ions are present in a given volume of 0.10 m sodium sulfate than in the same volume of 0.10 m sodium chloride. (e) the degree of dissociation of sodium sulfate in solution is significantly greater than that of sodium chloride.
Answers: 2
Calculate the amount of heat energy required to melt 550.0 grams of copper, already at its melting p...
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