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Chemistry, 23.06.2019 02:30
When the ionic compound nabr dissolves in water, brโ ions are pulled into solution by the attraction between what two particles? a. the na+ and brโ ions b. the na+ ion and the negative end of a water molecule c. the brโ ion and the positive end of a water molecule d. the brโ ion and the negative end of a water molecule
Answers: 1
Chemistry, 23.06.2019 04:31
Use the drop-down menus to label each of the following changes p for physical change and c for chemical change. the substance changes to a new substance. the original substance can be recovered. the color changes. gas is produced and given off. the substance changes size, shape, or volume.
Answers: 2
Chemistry, 23.06.2019 14:30
When does phenolphthalein turn pink? in the presence of a base in the presence of an acid when it is in a neutral solution when it is reacting with a metal
Answers: 1
Calculate the ph of: (a) 0.1m hcl; (b) 0.1m naoh; (c) 3 x 10% m hno3; (d) 5 x 10-10 m hcio.; an...
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