Use the graph from worksheet question 8 to calculate the activation energy of the reaction in units of kJ/mol.

Q: Pre-lab question #6-4: Calculate the percent (%) C2042- in K3[Al(C204]31-3H20. 57.1 65.7 97.8 53.0

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Q: Pre-lab question #6-1: Calculate the percent (%) C2042- in H2C204. 53.0 57.1 65.7 97.8

A: Mass percent: Mass percent of ion = atomic mass of the ionMolar mass of the compound×100

Q: Required Concentration of Reagent 1.37 mM NaCl 27 mM KCI 100 mM Na₂HPO4 18 mM KH₂PO4 Molecular…

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Q: If A=absorbance, B=molar absorptivity, C=length of light path, D=concentration, and you plot a graph…

A: Introduction: Beer-Lambert law: Beer Lambert law shows the relationship between the absorbance and…

Q: Calculate AH for the reaction 2Al(s) + 3Cl2(g) → 2AlCl3(s) from the data. 2Al(s) + 6HCl(aq) → 2AICI3…

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Q: A solution of a specific vitamin has a Amax of 261 nm and a concentration of 2.38 x 107 M. The…

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Q: A. Copper sulfate pentahydrate is often used to teach students about Beer’s Law by making a standard…

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Q: Absorbance 1.4 1.2 1 0.8 0.6 0.4 0.2 0 0 Absorbance vs. Concentration at 400 nm for solution of M+…

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Q: A solution of FeSCN2+ has an absorbance of 0.237.  What is its concentration?

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Q: 7. Fill the absorbance value below; Path length % T 0.2 0.4 0.6 0.8 1.0 25 12.5 6.25 3.125 100 50…

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Q: 4. A light pink, 0.050 M stock solution of cobalt (II) chloride (COCL) is analyzed by…

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Q: Need help with #6,7

A: Answer for 6 Theoretical yield             = 0.9666 g of Na2CO3 Answer for 7 Percent yield of Na2CO3…

Q: 1. At the end of a reaction, I ended up with a 200 mL aqueous solution containing 20 g of…

A: To solve these problems, we will be using the following equations: KD=XorgVorgXaqVaq .. (1) Here, KD…

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Q: Standard Solution 2 3 4 6. Conc. Of PO, 3- (ppm) 0.00 0.2 0.4 0.6 0.8 1.0 Absorbance 0.00 0.033…

A: A question based on Beer-Lambert law, which is to be accomplished.

Q: Pre-lab question #6-3: Calculate the percent (%) C204²- in K2C204. 57.1 53.0 65.7 97.8

A: Answer:- This question is answered by using the simple concept of calculation of percent of the…

Q: Part 3: 09 Average absorbance prorhande Flask 8 Flask 9 Flask 10 Flask 11 Part 3: Q Flask 8 Flask 9…

A: Given:   [FeSCN+2] (mol/L) Flask 8 4.59×10-5 Flask 9 5.18×10-5 Flask 10 6.64×10-5 Flask…

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Q: patent that weights 180-b wil take 40 mgkg of ammonium chioride. How many millters of an ammonium…

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Q: Creating graphs with Excel (or a similar program) is preferred. Plot absorbance (y-axis) vs. λ (x-…

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Q: If a solution has an absorbance of 2 you can be certain that  the solution is highly diluted and…

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Q: Data-Absorbance Curve 2, nm 480 490 500 510 520 530 540 550 Volume of Allura Red, Absorbance 0.723 A…

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Q: where did the 7.55 come from in step 6?

A: c) Recall the given reaction,                                Sn2+ aq + Zn s ↔ Sn s + Zn2+ aqEcell…

Q: I. Construct a graph of concentration against absorbance, clearly show a best fit line. II. Find…

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Q: F

A: -> First of all rank the two atoms directly attached to the pi bond by atomic number Higher…

Q: Concentration Fe(SCN)2+ (M) Absorbance 0.0001 0.386 0.0002 0.774 0.0003 1.154 0.0004 1.527 0.0005…

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Q: امتحان بالتجربة الرابعة المرحلة الأولى مسائي Answer these questions: Examination time: 30 min Q1//…

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Q: A. Copper sulfate pentahydrate is often used to teach students about Beer’s Law by making a standard…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: em1.png ... Part 3: Q Average absorbance Flask & 1:1 Ratio so Flash D Flask 10 Flask 11 Part 3 Q…

A: Given:   [FeSCN+2] (mol/L) Flask 8 4.59×10-5 Flask 9 5.18×10-5 Flask 10 6.64×10-5 Flask…

Q: Which of the following violates the rules for curved arrows? 11 £ 8 IV = O IV 0 >

A: Option (I) violates the rule for curved arrows..The movement of the pi-bond towards Oxygen is not…

Q: Pre-lab question #6-2: Calculate the percent (%) C2042- in Na2C204. 53.0 57.1 65.7 97.8

A: Mass percentage is the ratio of mass of a atom or group to the total mass of the molecule which is…