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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 0 2, 6, 2,3 1,4, 1,4
Balance the following and list the coefficients in order from left to right. Cr + __ H2SO4 →_Cr2(SO4)3 + H2
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)
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...
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) +...
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...
Balance the following redox reaction | 1. Al(s) + 2 H(aq) + 2 Cr → A13+ (aq) + H2 (g) + 2 CF (aq)
Standard Electrode Potentials at 25?C Reduction Half-Reaction E?(V) F2(g)+2e? ?2F?(aq) 2.87 Au3+(aq)+3e? ?Au(s) 1.50 Cl2(g)+2e? ?2Cl?(aq) 1.36 O2(g)+4H+(aq)+4e? ?2H2O(l) 1.23 Br2(l)+2e? ?2Br?(aq) 1.09 NO3?(aq)+4H+(aq)+3e? ?NO(g)+2H2O(l) 0.96 Ag+(aq)+e? ?Ag(s) 0.80 I2(s)+2e? ?2I?(aq) 0.54 Cu2+(aq)+2e? ?Cu(s) 0.16 2H+(aq)+2e? ?H2(g) 0 Cr3+(aq)+3e? ?Cr(s) -0.73 2H2O(l)+2e? ?H2(g)+2OH?(aq) -0.83 Mn2+(aq)+2e? ?Mn(s) -1.18 How can the table be used to predict whether or not a metal will dissolve in HCl? In HNO3? Drag the terms on the left to the appropriate blanks on the right to...