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Calculate ΔHrxn for the following reaction:
CH4(g)+4Cl2(g)→CCl4(g)+4HCl(g)
Use the following reactions and given ΔH′s.
C(s)+2H2(g)→CH4(g)ΔH=-74.6kJ
C(s)+2Cl2(g)→CCl4(g)ΔH=-95.7kJ
H2(g)+Cl2(g)→2HCl(g)ΔH=-184.6kJ
Determine which of the following pairs of reactants will result in a spontaneous reaction at 25 degrees C.
Gastric juice is made up of substances secreted from parietal cells, chief cells, and mucous-secreting cells. The cells secrete HCl, proteolytic enzyme zymogens, mucin, and intrinsic factor
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