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What are the coefficients for this reaction (in order from left to right)? Cr(s) + HCl(aq)...
What are the coefficients for this reaction (in order from left to right)? Cr(s) + HCl(aq) — CrCl3 (aq) + H2 (g) 2.4.2.4 1,1,1,1 2.3, 2.3 2,6,2,3 0 1,4, 1, 4
Balance the following and list the coefficients in order from left to right. Cr + __ H2SO4 →_Cr2(SO4)3 + H2
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...
chemistry 3 of 17 > e chemical equation by adding coefficients as needed. HCl(aq) + As,O,(s) + NaNO3(aq) + H20(1) NO(g) + H, Aso, (aq) + NaCl Balance the chemical equation by adding coefficients as needed. equation: HCl(aq) + As,0,(s) + NaNO, (aq) + H,00) - NO(g) + H 4:0 (aq) + NaCl(a)
Determine AS for the reaction to form 45.92 g of, Zn(s) + 2 HCl(aq) → ZnCl2(aq) + H2(g), given (answer in J) Substance Sº (J/mol · K) Zn(s) 60.9 HCl(aq) 56.5 H2(g) 130.58 Zn2+ (aq) -106.5 cl(aq) 55.10 Answer: Check
4. CuO (s) + HCl(aq) → CuCl2 (aq) + _ H20 (1) net ionie equation: Observation: turned wwe Reaction Type: What is in the solution after the reaction is complete? 5. Mg(s) +_ CuCl2 (aq) → __Cu (s) + _ MgCl2 (aq) _ Mg(s) + HCl(aq) → H2(g) + __MgCl2 (aq) net ionic equation for each of the above reactions: reactions: Observation: Changing color turned light blue Reaction Type: What happens when magnesium is added? ob teed pill due turned...
Consider the following reaction: 2 HCl(aq) + 1 Mg(s) → 1 MgCl2(aq) + 1 H2(g) ΔH°rx = -465.8 kJ Determine the amount of heat released, in kJ, of each of the following scenarios. Give each answer to 2 decimal places. (a) 10.69 g of Mg(s) is reacted with excess HCl(aq)· (c) 1.17 g of H2(g) is produced from the reaction after completion. (b) Excess Mg(s) is added to 440 mL of 0.996 M of HCl(aq)· (d) 580 mL of a...
salt bridge ME Cr(s) electrode Cu(s) electrode 1.0 M Cr3+ (aq) 1.0 M Cu2+ (aq) A electrolytic cell similar to that shown in the figure above is constructed. The electronic device shown at the top of the figure is a power supply. One electrode compartment consists of a chromium strip placed in a 1.0 M CrCl3 solution, and the other has a copper strip placed in a 1.0 M CuSO4 solution. The overall cell reaction is: 2 Cr3+ (aq) +...
Consider the following reaction: Mg (s) + 2 HCl (aq) → MgCl2 (aq) + H2 (g) ΔHrxn = –4.6 × 102 kJ a. Is this reaction endothermic or exothermic? Circle one. [1] b. How much heat is evolved when 1.37 g of Mg are dissolved in excess HCl? [5] c. If 1.37 g of Mg are dissolved in enough HCl to make 250.0 mL of solution in a coffee-cup calorimeter, what is the final temperature of the solution? (Assume density...
Consider these reactions, where M represents a generic metal. 2 M(s) + 6 HCl(aq) — 2 MClz (aq) + 3 H2 (g) AH= -663.0 kJ 2. HCl(g) — HCl(aq) AH2 = -74.8 kJ 3. H2(g) + Cl2 (g) — 2 HCl(g) AH3 = -1845.0 kJ 4. MCI,(s) — MC13(aq) AH4 = -276.0 kJ Use the given information to determine the enthalpy of the reaction 2 M(s) + 3 Cl2(g) — 2 MClz (s) AH = AH = 1