Question 1 075 pts In the reaction 2 Ca(s) + O2(g) → 2CaO(s), the calcium is...
answers to 5 and 6 D Question 5 2 pts Given the following reactions: 2S (s)+3 02 (3)- 2 SO3 (3) AH 790kJ s(s) +02 (g)-502 (g) ΔΗΡ-297 kJ What is the enthalpy value (in kJ) of the reaction in which sulfur dioxide is oxidized to sulfur trioxide? 2502 (g) + O2 (g) 2503 (g) ΔΗΡ ? D Question 6 2 pts Given the following reactions: CaCO3 (s) CaO (s) + CO2 (g) HP-178.1 kJ C (s, graphite) + O2...
Consider the combustion reaction for calcium: 2 Ca(s) + O2(g) ⇾ 2 CaO(s) ΔH = -1270 kJ, ΔS = -365 J/K a) Calculate ΔG at 25°C and determine whether the reaction is spontaneous. b) Determine at what temperature (if any) the reaction is spontaneous. Please show all work and steps, thank you!
Fill in the Blanks Consider the already balanced chemical reaction shown below: KCLO2(s)KCl(s) + O2(g) The oxidation state of K in KCLO2(s) = The oxidation state of Cl in KCLO2(s) = The oxidation state of O in KCLO2(s) = The oxidation state of K in KCl (s) = The oxidation state of Cl in Kcl(s) = The oxidation state of O in O2(g) = The element being oxidized is (K, CI, O) The element being reduced is (K, CI, O)
n Review | Constants Periodic Table 2 Ca(s) + O2(g) + 2Cao(s) AH = -1269.8 kJ; ASX = -364.6 J/K Part A For this problem, assume that all reactants and products are in their standard states. You may want to reference (Pages 811 - 815) Section 18.6 while completing this problem. Calculate the free energy change for the reaction at 24 °C. Express your answer using four significant figures. V AEQ O 2 ? AG = Submit Previous Answers Request...
Based on the equation below, which is correct? 2 C2H2(g) + 5 O2(g) → 4 CO2(g) + 2 H2O(g) Group of answer choices C2H2(g) is reduced C2H2(g) is oxidized The oxidation state of O in O2(g) increases from 0 to -2. O2(g) is the reducing agent.
Consider the redox reaction S(s) + HNO3(aq) => H2SO3(aq) + N2O(g), which occurs in acidic solution, and answer the questions below. 1. Once properly balanced, what are the coefficients of: a. S ______________ b. HNO3 ______________ c. H2SO3 ______________ d. N2O ______________ 2. What is the value of n for this reaction?_____________ 3. What is the oxidation state of sulfur in the compound H2SO3?______________ 4. Is the elemental sulfur being oxidized or reduced?________________ 5. At which electrode (cathode or anode)...
Based on the equation below, which is correct? 2 C2H2(g) + 5 O2(g) - 4 CO2(g) + 2 H2O(g) o C2H2(g) is reduced o O2(g) is the reducing agent. o C2H2(g) is oxidized o The oxidation state of O in O2(g) increases from 0 to -2.
атізнw Question 6 Homework. Unanswered Fill in the Blanks Consider the already balanced chemical reaction shown below: KCLO,(s) +KCl(s) + O2(g) The oxidation state of Kin KCLO2 (s) = The oxidation state of Clin KCLO,(s) = The oxidation state of O in KCLO(s) - The oxidation state of Kin KCLS) The oxidation state of Clin KCl(s) - The oxidation state of O in O2(g): The element being oxidized is (K.CO) The element being reduced is (K.COM
2Ca(s)+O2(g)→2CaO(s) ΔrH∘= -1269.8 kJmol−1; ΔrS∘= -364.6 JK−1mol−1 Calculate the Gibbs energy change for the reaction at 24 ∘C. Express your answer using four significant figures. 2Ca(s) + O2 (g) → 2CaO(s) Δ,Ho =-1269.8 kJ mol 1: Δ,S":-3646 J K 1 mol 1 Part A Calculate the Gibbs energy change for the reaction at 24 °C. Express your answer using four significant figures. kJ mol 1 Submit Previous Answers Request Answer
4. (6 pts.) Oxidation-Reduction Reactions: write out two ways you can identify the species that has been oxidized in a redox reaction: b. Identify the element reduced and the element oxidized in the following oxidation- reduction reactions. Fe(s) + CuCl2(aq) FeCl2(aq) + Cu(s) Element Oxidized: Element Reduced: C(s) + O2(g) → C02(g) Element Oxidized: Element Reduced: