When a pure sample of KNO3(s) spontaneously dissolves in water at room temperature, the solution becomes quite cold to the touch. For this reaction the enthalpy of the solution is and the entropy is .

Use the half-reactions of the reaction au(oh)3 + hi -> au +i2 +h2o to answer the questions

According to the passage, which of these is true about gray water systems? a) gray water systems use plants that require less water. eliminate b) gray water systems require the use of less fossil fuels. c) gray water systems reduce the amount of fresh water used. d) gray water systems reduce the amount water used by shower heads.

Due tomorrow which would have a lower ph, a 0.1 m solution of a strong base or a weak base? why? which would have a higher ph, a 0.1 m solution of a strong base or a weak base? why?