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1. Write a balanced equation for the reaction whose equilibrium constant you determine today. (3 points) balanced e...
Write the expression for the equilibrium constant for the following reaction, Fe+3 (aq) + SCN- (aq)...
Write the expression for the equilibrium constant for the following reaction, Fe+3 (aq) + SCN- (aq) ↔ Fe(SCN) +2 (aq) The slope of the calibration curve of [Fe(SCN)+2] vs absorbance is 3.5 x 104 M-1. Given that the absorbance of the solution prepared using 5.0 mL from 0.002 M Fe+3 and 3.0 mL from 0.002 SCN- is 0.422. Calculate the equilibrium constant for this solution.
equilibrium help!! What is the equilibrium constant for the reaction CO(g) + 3 H2(g) - CH4(g)...
equilibrium help!!
What is the equilibrium constant for the reaction CO(g) + 3 H2(g) - CH4(g) + H2O(g) if at 20 °C the equilibrium molar concentrations are [CO] -0.613, [H2] = 1.839, (CH4) = 0.387, and [H20) - 0.387? Format Β Ι Ο The reaction for the formation of the diamine-silver ion is as follows: Ag (aq) + 2NH3(aq) + Ag(NH3)2(aq) a. Write the equilibrium constant expression for this reaction. for the above b. An experiment was carried out to...
1. Write the balanced equilibrium reaction and the equilibrium constant expression for a saturated solution of...
1. Write the balanced equilibrium reaction and the equilibrium constant expression for a saturated solution of Ca(OH)2(s) in water (8)
1. Write the balanced equilibrium reaction and the equilibrium constant expression for a saturated solution of Ca...
1. Write the balanced equilibrium reaction and the equilibrium constant expression for a saturated solution of Ca(OH)2(s) in water (8)
EQUILIBRIUM OF A METAL COMPLEX ION Part 2: Determination of the Equilibrium Constant 1. Write the...
EQUILIBRIUM OF A METAL COMPLEX ION Part 2: Determination of the Equilibrium Constant 1. Write the balanced chemical equation for the reaction we will be studying in this experiment and its associated equilibrium constant expression. 2. What analytical technique will we be using to measure concentrations? Which species can we measure with this technique? State Beer's Law and define its terms. 3. 4. 5. The following data were collected by a student preparing standards for a Beer's Law plot Discuss...
3. In this experiment, you will determine the [FeSCNP at equilibrium by measuring its absorbance at...
3. In this experiment, you will determine the [FeSCNP at equilibrium by measuring its absorbance at - 450 nm. This is possible due to which of the following statements? Fe+ (aq) + SCN (aq) FeSCN2+ (aq) a. Fe and SCN do not absorb significantly at 450 nm. b. At equilibrium, only FeSCN* is present in the solution. c. [Fe] and [SCN) are too small to absorb light. d. The equilibrium constant, Keq, is small. 4. Give the names for the...
28. Write the balanced chemical equation, the equilibrium constant expression, and give numerical values for the...
28. Write the balanced chemical equation, the equilibrium constant expression, and give numerical values for the equilibrium constant for each of the following: (a) the acid dissociation of hydrogen cyanide ( HCN ) (b) the solubility of lanthanum(III) oxalate ( La2(C2O4)3) (c) the base dissociation of methyl amine (CH3NH2) (d) the complexation of oxalate ion with Fe3+to form Fe(C2O4)33-(K = 1.0 x 1020) (e) the reaction of acetic acid with NH3to produce water and ammonium acetate (Kaof acetic acid is...
I. Write the equilibrium constant expression, K for the following reaction Fe"(ag) FENCS(ag) SCN (ag) + CFENCS D 2....
I. Write the equilibrium constant expression, K for the following reaction Fe"(ag) FENCS(ag) SCN (ag) + CFENCS D 2. In part A of Experiment 34, it was assumed that all of the SCN added to the reaction mixture was converted to product (FeNCS). Which of the following best explains why that assumption was valid? A) The moles of Fe added equaled the moles of SCN- added. B) In part A, the SCN was the limiting reactant whereas in part B,...
1. (6 points) Write the equilibrium constant expression ke for the following reaction: 3 F(b) +...
1. (6 points) Write the equilibrium constant expression ke for the following reaction: 3 F(b) + Ca(e) = 2 CIF(e) 2. (6 points) Write the equilibrium constant expression Kc for the following reaction: Fe2O3(s) + 3 CO(g) = 2 Fel) + 3 CO2(B) 3. (6 points) Consider the following chemical reaction and the concentrations for each substance: H2O(g) + CH2(g) = CO(g) + 3H2(g) Kc = 4.7 at 1400 K concentration 1.00 M 0.500 M 2.35 M 1.00 M Under...
#1, #3, and #5-7 please!!! Pre-Lab Questions 1. Write the balanced chemical equation for the formation...
#1, #3, and #5-7 please!!!
Pre-Lab Questions 1. Write the balanced chemical equation for the formation of FeSCN2" from Fe(NO3)3-9H:0 and NaSCN. 2. In this experiment a dilute solution of 0.1 M HNO is used to maintain the ionic strength and low pH needed for the reaction to occur. How is nitric acid classified in terms of MSDS? What are some of the safety concerns regarding the handling of nitric acid? 3. Look at the procedure for making the standard...
equilibrium help!!
What is the equilibrium constant for the reaction CO(g) + 3 H2(g) - CH4(g) + H2O(g) if at 20 °C the equilibrium molar concentrations are [CO] -0.613, [H2] = 1.839, (CH4) = 0.387, and [H20) - 0.387? Format Β Ι Ο The reaction for the formation of the diamine-silver ion is as follows: Ag (aq) + 2NH3(aq) + Ag(NH3)2(aq) a. Write the equilibrium constant expression for this reaction. for the above b. An experiment was carried out to...
1. Write the balanced equilibrium reaction and the equilibrium constant expression for a saturated solution of Ca(OH)2(s) in water (8)
1. Write the balanced equilibrium reaction and the equilibrium constant expression for a saturated solution of Ca(OH)2(s) in water (8)
EQUILIBRIUM OF A METAL COMPLEX ION Part 2: Determination of the Equilibrium Constant 1. Write the balanced chemical equation for the reaction we will be studying in this experiment and its associated equilibrium constant expression. 2. What analytical technique will we be using to measure concentrations? Which species can we measure with this technique? State Beer's Law and define its terms. 3. 4. 5. The following data were collected by a student preparing standards for a Beer's Law plot Discuss...
3. In this experiment, you will determine the [FeSCNP at equilibrium by measuring its absorbance at - 450 nm. This is possible due to which of the following statements? Fe+ (aq) + SCN (aq) FeSCN2+ (aq) a. Fe and SCN do not absorb significantly at 450 nm. b. At equilibrium, only FeSCN* is present in the solution. c. [Fe] and [SCN) are too small to absorb light. d. The equilibrium constant, Keq, is small. 4. Give the names for the...
I. Write the equilibrium constant expression, K for the following reaction Fe"(ag) FENCS(ag) SCN (ag) + CFENCS D 2. In part A of Experiment 34, it was assumed that all of the SCN added to the reaction mixture was converted to product (FeNCS). Which of the following best explains why that assumption was valid? A) The moles of Fe added equaled the moles of SCN- added. B) In part A, the SCN was the limiting reactant whereas in part B,...
1. (6 points) Write the equilibrium constant expression ke for the following reaction: 3 F(b) + Ca(e) = 2 CIF(e) 2. (6 points) Write the equilibrium constant expression Kc for the following reaction: Fe2O3(s) + 3 CO(g) = 2 Fel) + 3 CO2(B) 3. (6 points) Consider the following chemical reaction and the concentrations for each substance: H2O(g) + CH2(g) = CO(g) + 3H2(g) Kc = 4.7 at 1400 K concentration 1.00 M 0.500 M 2.35 M 1.00 M Under...
#1, #3, and #5-7 please!!!
Pre-Lab Questions 1. Write the balanced chemical equation for the formation of FeSCN2" from Fe(NO3)3-9H:0 and NaSCN. 2. In this experiment a dilute solution of 0.1 M HNO is used to maintain the ionic strength and low pH needed for the reaction to occur. How is nitric acid classified in terms of MSDS? What are some of the safety concerns regarding the handling of nitric acid? 3. Look at the procedure for making the standard...
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