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Question 1 2 pts Which of the following reactions is likely to have a positive AS?...
Saved Which of the following reactions is not an oxidation-reduction reaction? Multiple Choice C(s) + CO2(9) -- CO2(9) CO(g) + Cl2(o) - COCIzla) 2H2020 --- 2H2011) + O2(g) CaCO3(s) + 2HCl(aq) -- CaCl2(aq) + CO2(g) + H200 < Prev 50 of 60 Next > O п to search
7. Which of the following reactions would have a positive value f I. NH3(g) + HCl(g) → NH4Cl(s) 11. Ag+(aq) + Cl-(aq) → AgCl(s) 111, 2H2(g) + O2(g) → 2H2O(g) IV. CakhoBT2 (l) → C6H10 (l) + Br2 (1) V. 2H2O2(g) → 2H2O(g) + O2(g) a). I and II b). I and III c). II and III d). II and IV e). IV and V
Which of the following reactions will have a negative value of AS? (1) Ba2+(aq) +5042(aq) - BaSO4(s) (ii) 2 Na(s) + 2 H2001) - 2 NaOH(aq) + H2(8 (iii) 2 C2H5(E) + 7 O2(g) - 4 CO2(E) - 6 H20(1) СА. I and II B. Ill only OC. I only D. I and III E. II and III
Question 32 2 pts Which response includes all of the following that are single displacement reactions, and no other reactions? I. BaO(s) + SO2 (g) -BaSO3(s) II. 2Rb(s) + 2H2O(1) ► 2RbOH(aq) + H2(9) III. 2Hl(aq) + Ca(OH)2(aq) → Cal2(aq) + 2H2O(1) 2HgO(s) → 2Hg() + O2(9) IV. O II, II and IV O I, II, and IV O II Oll and IV I and IV
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)
I have the final answers I just do not know how to get there 1. 86 g 2. 87.73% 3. 1370 mL 1. Iron oxygen to iron (II) oxide. How many moles of oxygen gas, O2, are needed burns in form to produce 2.56 moles of iron (III) oxide? 4 Fe (s) + 3 O2(g) ? 2 Fe2O3 (s) 2. Phosphorus trichloride forms when white phosphorus reacts with chlorine. A sample of PCl weighing 300.5 g was collected from a...
More Equilibrium: Please write equilibrium expressions for the following reactions: 1. i. 2 SO2 (g) + O2 (g) 2 SO3 (g) il. NH4NOs (s) N2O (g) +2 H20 (g) i CaCO3 (s) + CaO (s) + CO2 (g) iv. HNO2 (aq) +H2O (I) HaO* (aq) + NO2 (aq) 2. Predict which way the equilibrium will shift for each of the following changes: CO (g) + H2 (g) C (s) H2O (g) + heat i. increase [H2O] ii. increase [C0] iii....
Question 10 2 pts Select ALL the reaction(s) that is/are most likely to have a positive Assys? SiO2(s) + 3 C(s) + SiC(s) + 2 CO(g) 3 NO2(g) + H2O(l) → 2 HNO3(1) + NO(g) 6 CO2(g) + 6 H2O(g) → C6H12O6(s) + 6 O2(g) H2O2(g) →H2O(g) + O2(8) CO(g) + Cl2(g) → COCl2(g)
Which of the following is a typical chemical equation that represents a hydration reaction? 2 KClO3 (s) → 2 KCl (s) + 3 O2 (g) K2CO3 (s) ⟶H2O 2K+(aq) + CO3 2-(aq) HCl (aq) + NaOH (aq) → NaCl (aq) + H2O (l) C6H12O6 (s) + 6 O2 (g) → 6 CO2 (g) + 6 H2O (l)
Thankyou! Consider the following unbalanced equation: O2(g) + C2H6(9) + CO2(g) + H20(1) If 24.7 moles of O2(g) reacts with an excess of C2H6(9), what is the theoretical yield of CO2(g) in moles? O 97.2 moles 14.1 moles 37.7 moles 88.6 moles O 26.8 moles A 1.80 g sample of barium chloride hydrate, BaCl2 mass of 1.72 g. Calculate the value of x. XH2O is treated with excess sulfuric acid, forming a BaSO4 precipitate which has a i ooooo When...