Indicate which one of the following reactions most certainly results in a negative DSsys. CaCO3(s) —CaO(s)...
Indicate which one of the following reactions most certainly results in a negative DSsys. CaCO3(s) —CaO(s) + CO2(g) H2O(g) + H2O(s) 1402(8) + 3NH4NO3(s) + C10H22(1) 3N2(8) + 17H2O(g) +10CO2(g) CuSO4.5H2O(s) CuSO4(s) + 5H2O(g) CO2(aq) + CO2(8)
61. Indicate which one of the following reactions most certainly results in a negative AS sys. a. H2O(g) SH,0(s) b. CaCO, (s)s CaO(s) + CO,(g) c. Cuso -5H, O(s) 5 CuSO, (s) +5H 0(g) d. 140,(g) + 3NH, NO, (s) + CH22(1)→ 3N, (g) +17H2O(g) +10C02 (8) e. CO, (aq) SCO (8)
Indicate which one of the following reactions results in a positive DSsys. AgNO3(aq) + NaCl(aq) — 7 AgCl(s) + NaNO3(aq) C2H2O2(g) + 2 CO(g) + H2(g) H2O(g) + H20(1) H2(g) +12(g) D - HI(g) HCI(g) + H2O(1) + HCl(aq)
Which of the following processes has a negative AS? A) CaCO3(s) → Cao(s) + CO2(g) B) H2O(g) → H2O(s) C) CO2(s) + CO2(g) D) C6H1206(s) → C6H1206(aq) E) AS cannot be negative
Which of the following reactions is a nonredox reaction? | a) CaCO3 --> CaO + CO2 b) 2 KCIO3 ----> 2 KCI + 3 02 c) CaS + H2O --> CaO + 2 H2S d) Zn + CuCl2 ---> ZnCl2 + Cu e) HNO3 + KOH ----> KNO3 + H20 ) ) a) and b) g) b) and c) h) a) and d) i) d) and e) 0 ) a) and c) and e) 4 k) no correct response (i.e....
e. -1135 Given the following reactions: CaCO3 (s)-> Cao (s) + CO2 (g) C (s, graphite) + O2 (g)-> Co2 (g) AH-393.5 kJ the enthalpy of the reaction CaCO3 (s) -> CaO (s) + C (s, graphite) + O2 (g) ΔH = 178.1 kJ is kJ Select one: 4 a. 7.01 x 10 b. 571.6 ) c. 215.4 d. -215.4 ie. -571.6 Check Given the data in the table below, AH for the reaction
16. Given the following reactions CaCO3 (s) → CaO (s) + CO2 (g) ΔH°=178.1 kJ C(s, graphite) + O2 (g) → CO2 (g) ΔH°=-393.5 k According to Hess's Law, what is the enthalpy of the reaction (k) for CaCO3(s) → CaO (s)+C(s. graphite) +O2(g)? -571.6 -215.4 5716 215.4 701.2 Question 17 According to the definition of standard enthalpy of formation, ΔH°, which of the following's ΔH° is zero? Question 18Given the data in the table below, calculate the ΔH°rxn (kJ) for the reaction 4NH3(g)+5O2 (g) → 4NO (g)+6H2O (I)
Calculate ΔHrxn for the following reaction: CaO(s)+CO2(g)→CaCO3(s) Use the following reactions and the given values of ΔH for them: Ca(s)+CO2(g)+12O2(g)→CaCO3(s),ΔH2Ca(s)+O2(g)→2CaO(s),ΔH==−812.8kJ−1269.8kJ Express your answer to four significant figures in kilojoules.
For which one of the following reactions will the enthalpy change be approximately equal to the internal energy change? 2 NaN3(s) → 2 Na(s) + 3 N2(g) 2 H2O( ℓ ) → 2 H2(g) + O2(g) 2 Sb(s) + 3 I2(g) → 2 SbI3(s) Ca(NO3)2(aq) + 2 NH4Cl(aq) → CaCl2(aq) + 2 NH4NO3(aq) CaCO3(s) → CaO(s) + CO2(g)
Part A Calculate AHxn for the following reaction: Cao(s) + CO2(g) +CaCO3(s) Use the following reactions and given AH values: Ca(s) + CO2(g) + O2(g) +CaCO3(s), AH =-812.8 kJ 2Ca(s) + O2(g)+2CaO(s), AH = -1269.8 kJ Express your answer using four significant figures. V AE ? AH, = Submit Request Answer