Consider the potential energy diagram in the 350 kJ 250 kJ 200 kJ 100 kJ Photo What is the activation energy (E₂) for the reaction?

Q: 9. How many mL of stock NH, is needed to make 100.0 ml of 1.00 M NH, if your stock solution is 14.8…

A: Given M1 = 14.8 M            M2 = 1.00 M            V2 = 100.0 mL            V1 = we have to find.

Q: 1. 2. Ph. Ph Me A Ph Me BH Ph CH Bri Me H Me B Pn H Ph Me C H H Br H Me Me D Ph Ph

A: Given that, an reaction scheme is shown below We have to tell the correct newman projection for the…

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A: % of stated content of Na in the sample = 95.714%Explanation:Hence, the sample contains 95.714% of…

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Q: pka E

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Q: assignmentProblemID=142966924&offset3=next CHE154-H Gen Chem II Bronikowski S20 Part A Determine the…

A: The ICE table for the dissociation of benzoic acid in water can be drawn as follows-

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

Q: Na/ NH,

A: The given reagent Na/NH3 is called birch reagent and it converts alkyne into trans alkene.

Q: How does an end point differ from an equivalence point?

A: Equivalence point is defined as the point where the equivalence of titrant is equal to the…

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A: Acid are the substance which gives H+ ions in solution and pH value less than 7. Base are the…

Q: A 22.41 ml volume of 0.1987 M NaOH solution is required to reach the phenolphthalein endpoint in the…

A:

Q: Pick an appropriate solvent(s) from table to dissolve each of the following substances. Common Polar…

A: A particular dissolves in a solvent based on its properties.

Q: Question 9: Solvent extraction A 150 mL aliquot of water contains 3.5 mg of compound X. (a) If the…

A: #Q.9: #(a): Volume of water, Vw = 150 mL  Distribution ration, K = 120 Fraction needs to be…

Q: Trilobites are good index fossils because _____ and _____. (2)

A: Trilobites are index fossils because they lived over large areas of the world and with huge number…

Q: H₂ Lindlar's cat.

A: Lindlar Catalyst follows syn addition machanism means both hydrogen atom add to alkyne in same face

Q: Latest Volume pH d1 d2 (mL) 123 (pH/vol) (d1/vol) 0 2.07 -0.007 0.079 0.4 2.06 0.023 0.087 0.9 2.08…

A: let's break down the instructions and calculations step by step:### A. Standardization of NaOH1.…

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Q: This citrus fruit commonly consumed at home has a ph level of above 7 2309 3139 0 LJ

A: pH is a measure of H+ ion concentration .The range of pH goes from 0 to 14.  pH = -log(H+)  if…

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Q: S- BIOL111ASP2020 B Canvas Login at Mary Baldwin Un x Chemistry 121 101 Chem101 Question 1 of 29 In…

A: An acidic substance is the substance that can give H+ ions. They are corrosive and sour in nature.…

Q: If a solution of dissolved acid has pH = 2.5 and the pka for the acid chemical is K 4.3 and you…

A:

Q: A chemist titrates 110.0 mL of a 0.2187M trimethylamine ((CH3), N) solution with 0.8123 M HCl…

A: Given,Molarity of trimethylamine  ((CH3)3N) = 0.2187 Mvolume of (CH3)3N = 110.0 mLMolarity of HCl =…

Q: 9-ml broth 1 ml 1 ml 4 x 10³ TMTC Total 1/10 1/100 1/10³ 1/10 1/10⁰ dilution (10¹) (10) (109) (104)…

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Q: The Cacoz titer of a H2SO4 solution is 29.40 mg/mL. what is the normality of the H;SO4 solution?…

A: Correct option is c . Solution is given below

Q: 25 ml of pickled brine was taken from an apple pickled with vinegar and diluted to 500 ml, 25 ml of…

A: The dilution law is shown below: N1V1 = N2V2 where; N1 = normality of unknown acid/base V1 = volume…

Q: 150 140 130 120 110 100 NaNO 90 80 70 60 NHC KCI Naci 50 40 30 20 TRCIÓ 10 Cey(so 10 20 30 40 s0 60…

A: The solubility curve is given as,

Q: What is the molarity of an aqueous solution that contains 0.0720 g C.H.O: per gram of solution. The…

A: Given-> Weight of C2H6O2 = 0.0720 gm Weight of solution = 1 gm Density of solution= 1.04 g/ml

Q: (a) Standard Ag1 solution was prepared by dissolving 1.224 3 g of dry AgNO3 (FM 169.87) in water in…

A: Given data,Mass of AgNO3=1.2243gMolecular weight of AgNO3=169.87g/molVolume=500mL=0.5LVolume of Cl2…

Q: Table 3. Heat of neutralization data and calculations Sample 1 Sample 2 [1] Volume of HCI (mL) 24.0…

A:

Q: Past paper question

A: (i) The two main types of acetylcholine receptors are muscarinic and nicotinic, named after the…

Q: The learners repeat the titration three times. The three titrations are referred to as trials 1. 2…

A: Given three titration diagrams for Trial 1 , Trial 2 and Trial 3  We need to read the volume of acid…

Q: How did you come up with the (A-)/(HA) = 0.905

A: [A-]/[HA] = 0.905 pH = 4.66  pKa = 4.76

Q: Answer the following by determining the truthfulness of the following statements. 1. The time it…

A:

Q: When using a Gran plot to determine the equivalence point, we must use the data after the…

A: A Gran plot is a method of estimating the equivalence point of a titration by plotting a linear…

Q: unutis the moirity 0f solutiun if &6mL ot ethanol Cis CH) sisolurol inenouyin victer to ve 799.2 mL…

A: Molarity is the ratio of number of moles of solute to the volume of solution (in L)  Number of moles…

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Q: "OH HCI (conc, aq) 4 products!

A: An arrow always depicts from a region of high electron density to low electron density ; that is…

Q: The K₂ for HCN is 4.9 x 10-10. What is the value of K for CN? 2.0 × 10⁹ 2.0 x 10-5 4.0 x 10-6 4.9 x…

A: Ka value of HCN is given,Ka = 4.9×10-10 Standard value,Kw-14

Q: Table 1 Concentration of Concentration of Initial concentration Acetic Acid in Organic | Acetic Acid…

A: A = 1- 0.0150 =0.985N B= 0.5 -0.0033= 0.4967N C= 0.25 - 0.0011= 0.2489N