1. Which substance is being oxidized in the following reaction? Zn(s) + 4 CN (aq) +...
Question 6 (1 point) Given: Zn(s) + OH(aq) + H2O(l) + NO3- (aq) --> Zn(OH)42-(aq) + NH3(g) If 8 electrons are transferred in the balanced equation, what is the coefficient of OH-? Ö Ô ô ô 8
Question 4 (1 point) Write the cell diagram for the reaction 2AgCl(s) + H2(g) --> 2Ag(s) + 2H+(aq) + 2C1-(aq) OPt(s) | H2(g)| H+(aq) || CI+(aq)| AgCl(s) | Ag(s) Pt(s) | H2(g)| H+(aq) || CI+(aq) | Ag(s) | Pt(s) O Ag(s) | AgCl(s) || H+(aq), Ci-(aq) | H2(g) | Pt(s) O Ag(s) | AgCl(s) | CI+(aq) || H+(aq)| H2(g) | Pt(s) Pt(s) Cl(aq), H(aq)| H2(g) || AgCl(s) Ag(s)
Give the sign of AS for the following reactions > Ag+ (aq) + Cl (aq) --> AgCl (s) [Select] < N2(g) + 3H2(g) --> 2 NH3(g) [Select]
5. (12 points) For the following oxidation reduction reaction: Zn(s)+NO3 (aq) > Zn2*(aq) + N2(g) + H20 a. What are the oxidation numbers of the reactants and products? Oxidation Number in products Element Oxidation Number in reactants Zn N b. Write the balanced oxidation half-reaction and the reduction half-reaction. (in acid medium) Balanced oxidation half-reaction: Balanced reduction half-reaction: Write the balanced full reaction c.
Consider the following reaction at 298 K. 3 Cr3(a) Cr(s)>3 Cr(aq) Cr (aq) Which of the following statements are correct? Choose all that apply. E cell0 The reaction is reactant-favored. n 3 mol electrons Odelta Go0 Consider the following reaction at 298K. 2 Cr3+ (a Zn (s2 Cr2* (aq)+ Zn2* (aq) Which of the following statements are correct? Choose all that apply O K<1 cell 0 Odelta Go0 OThe reaction is product-favored On-5 mol electrons
Redox Equations Which of the following reactions are redox reactions? Identify the substance oxidized, the substance reduced, the oxidizing agent, the reducing agent. 1.2 Mg(s) + O2(g) → 2 MgO (s) 2. H SO. (aq) + Al(OH) (aq) → Al(SO.) (aq) + H,O (1) 3. 2 Na (s) + H2O (1) ► 2 NaOH(aq) + H2(g) 4. Cao (s) + CO2(g) → Caco, (s) 5. AgNO, (aq) + NaCl (aq) ► AgCl(s) + NaNO, (aq) Identify the substance oxidized, the...
The reaction of sodium(s) with water(l) to form sodium hydroxide(aq) and hydrogen(g) proceeds as follows: 2Na(s) + 2H2O(1)—>2NaOH(aq) + H2(g) When 5.91 g Na(s) reacts with sufficient H2O(1), 47.4 kJ is evolved. Calculate the value of A,H for the chemical equation given. kJ/mol Submit Show Approach Show Tutor Steps
The following reactions all have K> 1. 1) HF (aq) + CN" (aq) F" (aq) + HCN (aq) 2) HNO2 (aq) + CN" (aq)_HCN (aq) + NO2 (aq) 3) HF (aq) + NO2 (aq) F" (aq) + HNO2 (aq) Arrange the substances based on their relative acid strength. Clear All HCN strongest acid CN intermediate acid NO2 weakest acid HNO2 not a Bronsted-Lowry acid HF Submit Answer
In the following equation, what is oxidized? Zn(s) + 2HCl(aq) ---> ZnCl2(aq) + H2(g) Group of answer choices Zinc Hydrogen in HCl Chlorine in HCl This is not an oxidation-reduction reaction
please help! thank you Determine As for the reaction Zn(s) + 2 HCl(aq) Substance Zn(s) HCl(aq) H2(8) ZnCl2(aq) ZnCl(aq) + H2(g) given the following information: Sº (J/mol x K) 41.6 56.5 130.6 0.9 -33.4 J/K 0-23.1 J/K +23.1 J/K Оозик +33 4 J/K HI dissociates to form 12 and H2:2 HI(g) → H,()+1() If the concentration of HI changes at a rate of -0.45 M/s, what is the rate of appearance of 12(g)? 0.90 M/S 0.13 M/s 1.0 m/s 0.45...