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Which equations represent precipitation reactions? More than one can be chosen. A. Na2S + FeBr2 → 2NaBr + FeS B. MgSO4 + CaCl2 → MgCl2 + CaSO4 C. LiOH + NH4I → LiI + NH4OH D. 2NaCl + K2S → Na2S + 2KCl

asked Nov 26, 2019

Chemistry
middle-school

2 answers

4 votes

71.7k views

Solve the differential equation: dy/dx=((xy^2)+x)/y with y(0)=0 And y is greater than or equal to 0

asked Nov 9, 2019

Mathematics
middle-school

1 answer

3 votes

173k views

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