Somebody can help me with these Chemistry Questions.

Posted on 2016-02-16 18:14:00 in Chemistry by MILEY

7.6 The equilibrium constant for the isomerization of cis-2-butene to trans-2-butene is K = 2.07 at 400 K. Calculate the standard reaction Gibbs energy for the isomerization. 
7.16 Use the information in the Data section to estimate the temperature at which (a) CaCO3 decomposes spontaneously. 
7.22 Use the Gibbs energies of formation in the Data section to decide which of the following reactions have K > 1 at 298 K. 

(a) 2 CH3CHO(g) + O2(g) 2 CH3COOH(l) 
(b) 2 AgCl(s) + Br2(l) 2 AgBr(s) + Cl2(g) 
(c) Hg(l) + Cl2(g) HgCl2(s) 
(d) Zn(s) + Cu2+(aq) Zn2+(aq) + Cu(s) 
(e) C12H22O11(s) + 12 O2(g) 12 CO2(g) + 11 H2O(l)

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