Select the correct answer.
which chemical equation represents a precipitation reaction?
o a. mg(cio3)2(aq) + 2hcl(aq) - mgcl2(aq) + 2hcio3(aq)
b. albr3(aq) + 3lil(aq) - all3(aq) + 3libr(aq)
c. nh4no3(aq) + hbr(aq) - nh4br(aq) + hno3(aq)
d. li2co3(aq) + fecl2(aq) - 2licl(aq) + feco3(s)

the answer is 1 i believe

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.

bcde is the incorrect answer it is a

one negative thing it that it can kill water animals. another negative thing is it can cause the destruction of ecosystem. one way water pollution can be reduced is to conserve energy.