Chemists will sometimes describe chemical reactions as being “enthalpy-driven” or “entropy-driven”. a) For each, briefly define and explain in terms of ΔG = ΔH − TΔS. i) enthalpy-driven reaction: ii) entropy-driven reaction: b) For the two types of reactions in a), provide an example chemical or biochemical reaction and briefly justify your answer. i) (example chem. or biochem. enthalpy-driven rxn) ii) (example chem. or biochem. entropy-driven rxn) c) Provide an example of a chemical or biochemical process that can’t be described as enthalpy-driven or entropy-driven and briefly justify your answer. If you can’t find a good example, make up a plausible example and briefly explain

Sodium (Na) is a shiny silver-coloured metal at room temperature. Zinc is also a shiny silver-coloured metal at room temperature. If sodium and zinc were placed in front of you, unlabelled, how would be able to tell which metal is which? (Hint: You may wish to consider the properties of these two metals.)

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8) a) Calculate AS°en for the following reaction given their respective standard molar entropy values. С-H- (6) + н, (в) сH. (8) S°(C,H2) = 200.9 J/mol K S°(H2) = 103.7 J/mol K S°(C;H4) = 219.3 J/mol K b) the reaction in 'part a' is endothermic, when would it be spontaneous?

MISSED THIS? Watch KCV 9.10, IWE 9.11; Read Section 9.10. You can click on the Review link to access the section in your eText. Consider the table of Standard Thermodynamic Quantities for Selected Substances at 25 °C. Substance AH (kJ/mol) Substance AH (kJ/mol) Substance AH (kJ/mol) Al(g) HCl(aq) NF3 (g) Al2O3(s) Cr(g) NH3(g) F(g) NH3(aq) C(g) CH4 (g) C₂H₂(g) C₂H4 (8) C₂H6 (g) CO(g) CO₂(g) Cl(g) HCl(g) 330.0 -1675.7 716.7 -74.6 227.4 52.4 -84.68 -110.5 -393.5 121.3 -92.3 HF (g) HF (aq) H(g) Fe(g) FeO(s) Fe2O3(s) Fe3O4(s) N(g) -167.2 396.6 79.38 -273.3 -335.0 218.0 416.3 -272.0 -824.2 -1118.4 472.7 O(g) 03(g) S(g) SO₂(g) SO3(g) Sn(g) SnO(s) SnO₂ (s) -132.1 -45.9 -80.29 249.2 142.7 277.2 -296.8 -395.7 301.2 -280.7 -577.6 Review | Constants | Periodic Table Enter an equation for the formation of CO2 (g) from its elements in their standard states. Express your answer as a chemical equation including phases. C(s) + O2 (g) →CO2 (g) Submit ✓ Correct CO₂ (g) is composed of elements C and O. In…

Find T given the information below

For each of the following reactions, decide whether entropy is increasing (+AS) or decreasing (-AS). (a) 2CH4(g) + 2CO2(g) C2H4(g) + 2H,0(g) + 2CO (g) (b) CO2(g) + 3H2(g) CH;OH(g) + H,O(g) (c) CH;OCH;(g) + H20(g) 2CO(g) + 4H2(g)

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