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Chemistry, 22.06.2019 00:20, paulawells11
What are the spectator ions in 2h+ + so42- + ca2+ + 2r → caso4 + 2h+ + 21?
Answers: 1
Chemistry, 22.06.2019 04:40, khan2491
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
The terms distance and displacement are used by scientists to describe very specific differences bet...
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