Ionization energy is the energy needed to eject an electron from an atom. Compute the ionization energy of a hydrogen atom in its fourth excited state (n = 5). E = J

Q: A molecule with the molecular formula of C7H6O2 produces the IR spectrum shown below. Draw a…

A: IR spectra of unknown compund with C7H7O2 . Identify structure of compund?

Q: Experiment name: Kinetics of the [S208]2- (Peroxodisulfate(VI) ion) - I (lodine) reaction by the…

A: A traditional chemical clock demonstration experiment to show chemical kinetics in action is the…

Q: To prepare a very dilute solution of K2Cr2O7 (294.18 g/mol), 0.661 g of K2Cr2O7 was transferred to a…

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Q: Copper Nitrate (Cathode) ; Zinc Nitrate (Anode) Based on the given results , answer the following…

A: Voltage (∆V) is defined as the potential difference between the two electrodes. This voltage depends…

Q: D Question 7 Given that HF is a stronger acid than HCIO. Which lists the conjugate bases in order of…

A: Answer:- Conjugate base is formed when an acid loses the proton . So, stronger the acid , weaker…

Q: 3. How many alkyl halides are obtained from chlorination of the following alkane: Cl₂ hv a. Number…

A: Here we have to determine the number of alkyl halides and alkyl dihalides formed by the chlorination…

Q: A 32.1 g iron rod, initially at 21.5 °C, is submerged into an unknown mass of water at 63.5 °C, in…

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Q: Curved arrows are used to illustrate the flow of electrons. Follow the curved arrows and draw the…

A: Given : structure of reactants.  Tip : foll the movement of arrow

Q: 12 Which of the indicators listed in the table below would be most suitable for use during the…

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Q: Draw the major organic product of the following reactions, include stereochemistry where…

A: All the three example are [4+2] cycloaddition reaction which famous as Diels -Alder reaction. In…

Q: Consider isobars with mass number A=53, which is the one with least number of neutrons? Enter…

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Q: Give the balance reaction of the given compound in the experiment and also give the two half…

A: Here we are required to find the complete Balanced reaction occurring in electrochemical cell.

Q: 31P (¹H) NMR Predict the 31P(¹H) NMR spectrum for Ph,PBH, and explain your answer. (For ¹¹B, spin…

A: Here we are required to predict the 31P NMR spectrum

Q: Consider the reaction: CaCl₂(aq) + 2AgNO₃(aq) → Ca(NO₃)₂(aq) + 2AgCl(s) How many grams of CaCl₂…

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Q: Using a table of standard electrode potentials, predict whether the following reactions will be…

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Q: Determine the type of each chemical equation describing a precipitation reaction. - CaBr2 (aq) +…

A: Precipitation reaction : It is a type of chemical reaction ,where two ionic compounds dissociates in…

Q: Draw the skeletal line bond structure of 1-methyl-4-nitrobenzene

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Q: What is the molecular weight of the ketone shown below? ………… bi not ļ vol HO HO You should be able…

A: Given ketone structure,

Q: Write an equation for each of the following two-step reactions: - cyclohexanone a) Cyclohexene to b)…

A: a) cyclohexene to cyclohexanone Cyclohexane reacts with concentrated sulfuric acid to give…

Q: Using the chart of reduction potentials, select the pair of substances will react spontaneously?…

A: A cell reaction is said to be spontaneous if the standard reduction potential of the cell reaction,…

Q: (1) The structural formula of 3-methyl-2-pentenol and 4-amino-4-methyl-2-pentanone, respectively,…

A: IR spectra provides the information of functional groups of unknown compound based on the…

Q: Select all of the answers that describe an unstable nucleus: (this is a multiple select question,…

A: Atoms contain protons ,neutrons and electrons. Protons are positively charged particles and…

Q: How many Faradays are required to convert one mole of Cr₂O7² to Cr+³? 4 5

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Q: A student performed three KHP titrations in Part 1 in order to standardize their NaOH solution. They…

A: For the 2nd titration(Determination#2),  Mass of KHP+Vial = 14.1709 g  Mass of empty Vial = 13.5560…

Q: Use the electron arrangement interactive to practice building electron arrangements Identify the…

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Q: co₂²- ppt or NR? Description CI™ ppt or NR? Description OH ppt or NR? Description NO₂ ppt or NR?…

A: The formation of a precipitate is an indication of chemical reaction called a precipitation…

Q: Calculate the pH and the equilibrium concentrations of HTe™ and Te²- in a 0.0948 M hydrotelluric…

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Q: 3. Complete the following nuclear equations and state the general type: b) 334Bi→ He+? 4 d) 162Tm →…

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Q: Question 13 The pH of a 1.0 M benzoic acid solution i The % ionization in this situation is [Sel…

A: Given -> Molarity of benzoic acid = 1.0 M

Q: Combining 0.287 mol Fe₂O3 with excess carbon produced 13.5 g Fe. Fe₂O3 + 3C What is the actual yield…

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Q: Determine the pH during the titration of 20.0 mL of 0.110 M perchloric acid by 7.69x10-2 M barium…

A: Perchloric acid is a strong acid and Barium hydroxide is a strong base…

Q: What is the molecular formula of the alkane 2,2,4-trimethylpentane?

A: Given: name of compound. Tip :draw the structural formula

Q: What quantity in moles of KBr are there in 30.3 mL of 0.150 M KBr?

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Q: Determine the pH during the titration of 32.5 mL of 0.333 M ethylamine (C₂H5NH2, Kb = 4.3x10-4) by…

A: we need to calculate the pH of solution during the given titration

Q: Titration #1 Titration #2 Titration #3 The concentration of NaOH (M) 0.9554 0.9540 0.9551 Using the…

A: According to question, concentrations of NaOH in 3 trial of titration,  c1= 0.9554 M c2 = 0.9540 M…

Q: Compound X has a molar mass of 134.12·gmol−1 and the following composition: element mass % carbon…

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Q: 1. Consider the unbalanced reaction: MnO2 + HCI MnCl2 + Cl2 + H₂O If 0.86 moles of MnO2 and 48.2…

A: we have to determine the reactant that is used up first and mass of Cl2 produced

Q: Draw and name the reactants in each reaction. a. b. C. i ? + [0] → HCCH₂CH3 ?? →…

A: Answer:- This question is answered by using the simple concept of chemical reactions of organic…

Q: +CH₂-CH+n C=0 9 CH3 poly(methyl acrylate) CH3 +CH₂-C C=O 9 CH3 poly(methyl methacrylate)

A: According to the question we have, two polymers poly(methyl acrylate) and poly (methyl…

Q: Suggest two chemical explanations ( not user error) why the recovery yield of phenacetin from…

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Q: A proposed mechanism for the decomposition of ozone (03) consists of the three steps shown below.…

A: 7) Decomposition of O3 occurs in following three steps.  step1: O3(g) + NO(g) →O2(g) + NO2(g) step2:…

Q: What volume in mL of 0.220 M HBr solution is required to produce 0.0120 moles of HBr?

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Q: What quantity in moles of C₂H₅OH are there in 81.5 mL of 0.250 M C₂H₅OH?

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Q: 1. Consider the following three statements about neutralisation reactions: I. A neutralisation…

A: 1) A neutralization reaction always defines the reaction between an acid(strong/weak) and a…

Q: An alloy of copper, silver and gold contains 25-weight percent gold and 15-weight percent silver.…

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Q: How many moles of vanadium atoms, V, are needed to combine with 0.145 mol of O atoms to make…

A: Vanadium reacts with oxygen to form vanadium pentaoxide (V2O5). The molecular formula of the…

Q: 2) Consider the following unbalanced net ionic redox equation. MoO42- + SO32- Mo2+ + SO4²- notorien…

A: Oxidation: loss of electrons or increase in oxidation number Reduction: gain of electrons or…

Q: Hess's Law. a) Use the three following chemical equations to calculate AHxn of the combustion…

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Q: A 10-ml graduated cylinder and 50-ml buret have been partially filled with water. Record the…

A: The instruments provided are 10-mL graduated cylinder and 50-mL burette. In any glassware, we can…

Q: 1,1-dimethylcyclopentane (draw condensed structural diagram)

A: Condensed structure: It show the order of atoms like a structural formula which is written in a…