Since the randomness of gas > liquid > solid
So here liquid and gas are reacting to form solid.
So randomness is decreases.
i.e.
delta S = Negative.
Predict the sign of ASº for the following reaction. Explain your answer. NH3 (g) + HNO3...
Predict the sign of ASº for the following reaction. Explain your answer. 2 HCI (g) + Zn (s) → ZnCl2 (s) + H2 (g)
Predict the sign and calculate ASº for a reaction. Consider the reaction 2NH3(g) + 2O2(g)—=N20(g) + 3H20(1) Based upon the stoichiometry of the reaction the sign of AS rxn should be Using standard thermodynamic data (in the Chemistry References), calculate AS rxn at 25°C. AS rxn= J/K•mol
Predict the sign of ASº for each of the following processes: I 2 K(s) + Cl2(g) – 2 KCl(s) II. CHỊ(g)=C(s)+ 2H2(g) III CaCO3(s) – CaO(s) + CO2(g) Select one: a. negatire, negative, positive b. negative, positive, positive positive, negative, negative d. negative, negative, negative e positive positive, positive
Using values of ΔHºfand Sº, calculate ΔGºrxnfor the following reaction: NH3(g) + HNO3(aq) ®NH4NO3(aq) Species ΔHºf(kJ/mol) Sº(J/K·mol) NH3 (g) -45.90 192.77 HNO3(aq) -207.36 146.4 NH4NO3(aq) -339.87 259.8
Predict the sign and calculate ASⓇ for a reaction. Consider the reaction 2H S(g) + 302(g) +2H2O(g) + 25029) Based upon the stoichiometry of the reaction the sign of Srce should be Using standard thermodynamic data (in the Chemistry References), calculate AS rx at 25°C. AS J/Kºmol Predict the sign and calculate ASº for a reaction. Consider the reaction 2H,S(g) + 302(g)— 2H2O(g) + 250 (9) Based upon the stoichiometry of the reaction the sign of AS rx should be...
1. Predict the sign of ASº, if possible, for each of the following reactions. (a) 2503 (g) → 2802(g) + O2(g) (b) P4 (g) → P4 (s) (c) C2H5OH (1) + 302 (g) → 2C02(g) + 3H20 (1) (d) 2NaHCO3 (5) → Na2CO3 (s) + H2O(g) + CO2 (g) (e) CH3OH (1) + SOCI2 (1) + CH3CI (1) + SO2 (g) + HCl (g) (1) H20 (g) → H2O (1) (g) CH3COCH3 (1) + HCN (g) → CH3CHCNCH3 (1) +...
1. Consider the reaction: 2NH3(g) → N2(g) + 3 H2 (8) AG = +33.3 kJ a. Is this reaction spontaneous? Explain. b. Predict the sign of AS. Explain. C. Based on your answer to part b, is this reaction exothermic or endothermic? Explain. For the reaction N2(g) + 3H2(g) 2NH3 (8) a. Using values in Appendix Cin your book, calculate AHⓇ and AS. b. Assuming that AHºand ASº don't change with temperature, calculate the value for AG at 400K Is...
IV) Which is the best explanation for the negative sign of ASº in the following reaction? CaSO4(s) → Ca2+(aq) + SO42- (aq) AS° =-143 J mol-1 K -1 (A) There are more ways of arranging the Ca2+ and SO42- ions in aqueous solution than in the crystal lattice. (B) Solid CaSO4 is a network covalent solid, whereas it separates into ions in aqueous solution. (C) Aqueous Ca2+ and SO42- ions are tightly solvated, decreasing the number of ways of arranging...
Predict the sign of ΔS for each of the following; explain your reasoning O2(g) → O2(l) 2 KClO4(s) → 2 KClO3(s) + O2(g) CH4(g) + 2 O2(g) → CO2(g) + 2 H2O(l)
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