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Aleksandr [31]
4 years ago
14

Someone please walk me through this. I googled way too much this semester and I'm paying for it on this test. Just tell me how t

o get the answer cause i have no clue where to start and im literally freaking out.
Choose the correct formula for the following ionic compound. Cobalt (IV) Sulfate

CoSO4

Co4(So4)2

Co(SO4)2

Co(SO4)4
Chemistry
2 answers:
alex41 [277]4 years ago
4 0

Answer:

Explanation:

co(so4)4

viktelen [127]4 years ago
3 0

Answer: co(SO4)4

Explanation:

there is a  video that helps explain it well.

search "writing ionic formulas- basic introduction"

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stealth61 [152]
ΔG⁰ = ΔH⁰ - TΔS
ΔH⁰ = Hf,(CH₃OH) - Hf,(CO) = -238.7 + 110.5 = -128.2 kJ/mol
ΔS = S(CH₃OH) - S(CO) - 2S(H₂) = 126.8 - 197.7 - 2 x 130.6 = -332.1 J/mol.K
So 
ΔG⁰ = - 128200 + 332.1 T
For the reaction to be spontaneous:
ΔG⁰ < 0
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332.1 T < 128200
T < 386.028 K
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nika2105 [10]

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