Chemistry, 01.07.2019 04:00 claudiasfandom
Phenolphthalein has a pka of 9.7 and is colorless in its acid form and pink in its basic form. for ph= 2.2 calculate [in−]/[hin].
Answers: 1
Chemistry, 21.06.2019 17:30
This is a mixture that has the same composition throughout.
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Chemistry, 22.06.2019 04:40
Silver tarnishes as silver metal reacts with hydrogen sulfide, h2s, in the air. in this reaction, dark silver sulfide, au2s, covers the surface of silver. when silver is polished, this coating of silver sulfide can be removed from the surface. this makes the silver shiny again. enter the coefficients that balance the tarnishing reaction equation. (type 1 for no coefficient.)
Answers: 2
Chemistry, 22.06.2019 19:50
Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+
Answers: 1
Chemistry, 22.06.2019 20:00
Carbon-14 undergoes radioactive decay in the reaction above. determine the type of radiation emitted in this reaction and describe what is happening to the nucleus during this reaction.
Answers: 2
Phenolphthalein has a pka of 9.7 and is colorless in its acid form and pink in its basic form. for p...
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