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- Ff.24. With explanation ......Which of the following is a spontaneous reaction.? a. Rxn with ΔH =- 10Kj/mol ΔS= -5J/mol T= 300K b. NaCl +H20 -> NaOH + HCl 25C c. H20(l) -> H2O(s) Temp: 25C d. Dissolution of 100g of solid sugar in 100 mL ice tea. Consider following reaction: HgO (s) -> Hg(l) + ½ O2 (g) Delta H = +90.7 kj/mol. What quantity of heat in kj/mol is required to produce one mole HgO? Write your answer without units. Given the following data 2ClF(g) + O2(g) --> Cl2O(g) + F2O (g) Delta H= 167.4 kJ I 2ClF3(g) + 2O2(g) --> Cl2O(g) + 3F2 O (g) Delta H= 341.4 kJ II 2 F2(g) + O2(g) ---> 2F2O (g) Delta H= -43.4 kJ III Calculate the delta H in kJ for below reaction: ClF(g) + F2(g) ---> ClF3(g)Write down the defect chemistry equationfor introduction of SrTiO3 in BaTiO3using the Kröger-Vink notation.
- Since the resolution of SrCO3 is a g/L, the resolution product of SrF2 is B, what happens [F -] when equilibrium is reached if solid SrF2 is boiled with a solution of Na2CO3 so that it is [CO32 -]= C Molar in the final solution?pls help very very urgent, explanation is not requiredI had used the E= Ecell - (RT/ nF ) InQ and got that n=2 I'm not sure what I'm doing wrong. Thanks!
- In the synthesis of hydrocarbons, the carbon source is carbon dioxide. Although the CO2 concentra?on in the atmosphere raises at a drama?c speed, point sources are probably the easier sources for a PtX process. Iden?fy 3 possible point sources, explain why CO2 is formed and what challenges each of the three CO2 streams presentsWhat is ΔHsys for a reaction at 16.9 °C with ΔSsurr = -159 J mol-1 K-1 ? Express your answer in kJ mol-1 to at least two significant figures. (Please type answer no write by hend)Please answer all subquestions ASAP, a like is guaranteed.