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1.an acid is a substance that has a ph value that is lower than 7. a base is a substance that has a ph that is greater than 7. citric acid commonly present in sour foods. which one of these might be the ph of a citric acid solution? ph=3.2 ph=7.0 ph=10.3 ph=14.0 2.which mixture is homogenous? salt stirred together with sugar sugar dissolved in water water droplets scattered in the air to form fog dirt suspended in water 3. which mixture is heterogeneous salt dissolved in water air metal ally tossed salad
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Chemistry, 22.06.2019 22:00, jlegrand9098
4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.
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1.an acid is a substance that has a ph value that is lower than 7. a base is a substance that has a...
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