Which of the following are redox reactions?
p4(s)+10hclo(aq)+6h2o(l)? 4h3po4(aq)+10hcl(aq)
br2(l)+2k(s)? 2kbr(s)
ch3ch2oh(l)+3o2(g)? 3h2o(l)+2co2(g)
zncl2(aq)+2naoh(aq)? zn(oh)2(s)+2nacl(aq)

check all that apply.

p4(s) + 10hclo(aq) + 6h2o(l) ? 4h3po4(aq) + 10hcl(aq)
br2(l) + 2k(s) ? 2kbr(s)
ch3ch2oh(l) + 3o2(g) ? 3h2o(l) + 2co2(g)
zncl2(aq) + 2naoh(aq) ? zn(oh)2(s) + 2nacl(aq)
part b

for those reactions that are redox, indicate which elements are oxidized.

express your answers as chemical symbols separated by a commas.

part c

for those reactions that are redox, indicate which elements are reduced.

express your answers as chemical symbols separated by a commas.

part d

for those reactions that are not redox, indicate whether they are precipitation or neutralization reactions.

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when solutions of silver nitrate and calcium chloride are mixed, silver chloride precipitates out of solution according to the equation

2agno3(aq)+cacl2(aq)? 2agcl(s)+ca(no3)2(aq)

part a

what mass of silver chloride can be produced from 1.51l of a 0.201m solution of silver nitrate?

express your answer with the appropriate units.

the reaction described in part a required 3.51l of calcium chloride. what is the concentration of this calcium chloride solution?

express your answer with the appropriate units.