chemistry

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2CO2(G)--->2CO(g)+O2(g), deltaH=566kj
what is Kc and state whether the reaction favors products or reactants?
A.)[CO2]=1.5M, [CO]=1.2M, [O2]=0.05M
B.)[CO2]=8.3M, [CO]=0.05M, [O2]=0.50M
C.)[CO2]=0.05M, [CO]=0.75M, [O2]=0.07M

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    Maggie Manganese has 0.0056 g of paper clips, what would this represent in ng?

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