excess Na₂Cr₂O7/H₂SO4/H₂O

Q: At a festival, spherical balloons with a radius of 200. cm are to be inflated with hot air and…

A: Specific heat capacity of the substance indicates the how much of heat is required to increase the…

Q: Сце CH₂ CH₂ CH₂ CH₂ CH-CH₂-CH-CH-CH₂ CH3 -CH-CH3 I CH3 7-isopropyl-4,5-dimethyldecane. is not the…

A: Here formula of an organic compound is given and we have to determine the IUPAC name of the given…

Q: In the laboratory, a general chemistry student measured the pH of a 0.350 M aqueous solution of…

A:

Q: For the reaction, NO₂(g) + CO(g) → NO(g) +CO₂(g), the experimentally determined rate law is, Rate =…

A: The steady state approximation is a concept commonly used in chemical kinetics and reaction rate…

Q: Consider the following peptide. Assume the following about the peptide: C-terminus, pKa = 2 &…

A: At isoelectronic point, no net charge exist on the peptide. It exist in overall neutral state.

Q: Si (g) + 2C%2(g) Si(g) + 2C%2(8) →SiCl 4(8) > Sici 4(1) AH=-609.6 kJ AH=-640.2 kJ

A: Conversion of liquid into gas is know as Vapourisation . It's an exothermic process . So enthalpy…

Q: 1) NaOEt 2) Br 3) H3O*, heat

A:

Q: What are the necessary reagents for the below transformations to occur? Provide a mechanism for b)…

A:

Q: L Sketch of a gas-collection apparatus Calculate the mass of CO that is in the collection tube.…

A: Given,Final Volume of CO gas = 112. mLTemperature = 55.0 oC

Q: О 1 dilute NaOH (aq) ОН

A: This is an example of Aldol condensation. Under strong acidic condition the aldol undergoes…

Q: Consider a titration where 100mL of 0.100 M acetic acid is titrated with 0.050 M sodium hydroxide.…

A: The balanced equation is  CH3COOH (aq) + NaOH (aq) ------> CH3COONa (aq) + H2O (l)Number of moles…

Q: Propose an efficient synthesis for the following transformation: The transformation above can be…

A:

Q: The protein unfolds at a transition temperature of 75 °C and the standard enthalpy of transition is…

A: calculate the standard entropy change of unfolding (ΔS°) using the following equation:where ΔH° is…

Q: When a hydrogen electron makes a transition from n= 4 to n= 2, which of the following statements is…

A: Hydrogen electron makes a transition from n= 4 to n= 2.Given : Bohr model of hydrogen atom. To find…

Q: 12.41 Hydrogenation of alkene A with D₂ in the presence of Pd-C affords a single product B. Keeping…

A: When compound A is treated with mcpBA epoxide formation take place.In the compound A as above side…

Q: Which of the following if mixed together in 1.000 L of water will produce a buffer solution? 0.100…

A: Buffer solution -> The buffer solution is a solution able to maintain its hydrogen ion…

Q: Which of the following structures contribute(s) to the resonance hybrid of the intermediate formed…

A: Para-chlorination of bromobenzene is an example of aromatic electrophilic substitution reaction to…

Q: Given the following reaction mechanism, what is the equation for the overall reaction? 2A --> B + 2C…

A: Provided the mechanism for reaction is as          The slow step is also known as the rate-limiting…

Q: Describe the Bohr model for the atom. Match the items in the left column to the appropriate blanks…

A: We have to fill the blank with the help of matches given .

Q: en zinc metal is placed into copper(II) nitrate solution, a solid precipitate forms according to the…

A: A redox reaction occurs when electrons are transferred from a substance that is oxidized to one that…

Q: Consider a weak organic acid (R-COOH) that has a pKa of 4.6. What would be the pH of a buffer…

A: pKa = 4.6 Moles of RCOOH = 0.39 molMoles of RCOO-Na+ = 0.40 molVolume of water= 1.2 L

Q: 1) A molecule is composed of two or more of the same or different elements. A) true B) false An atom…

A:

Q: A solution of AgNO3 boils at 101.5 °C. At what temperature does the solutions freeze? Use the…

A: ΔTb = Kb x m  ------(1)Where, ΔTb = Boiling point elevation, Kb = molal elevation constant and m =…

Q: Will Cd(OH)2 precipitate from a solution that is 0.010 M in Cd2+, 1.0 M NaOH, and 0.050 M NaCN? The…

A: Answer:-This question is answered by using the simple concept of determination of formation of…

Q: Given the following description SKETCH a potential energy curve. The reaction has the following…

A: A reaction coordinate diagram, also known as an energy profile or potential energy diagram, is a…

Q: Use the Potential Energy Diagram. What is shown by the letter C?

A: The activation energy is the minimum energy required for a reaction to take place.

Q: Which factor will not affect the rate of the following reaction? Na(s) + AgNO3(aq) --> NaNO3(aq) +…

A: The factors affecting the rate of the reaction are:Temperature----> The rate of the reaction…

Q: What is the correct name for the following structure?

A: We have been given an organic compound and we have been asked the correct name of given…

Q: Write a balanced half-reaction describing the reduction of aqueous chromium(IV) cations to aqueous…

A: Redox Reaction: Redox reaction is one type of chemical reaction in which oxidation and reduction…

Q: a b O d B Show products of the following reactions, a- j. (7.5 HNO3 H₂SO4, heat CI H₂SO4 heat Cl₂,…

A: All the given reactions are electrophilic aromatic substitution reactions.

Q: Calculate the enthalpy change for the GOAL reaction:     N2H4(I)+H2(g) → 2 NH3(g)            ΔH°rxn…

A:

Q: A chemist measures the amount of nitrogen gas produced during an experiment. He finds that 55.7 g of…

A: The number of molecules or atoms present in the one mole of the substance is equal to the Avogadro…

Q: НО ОН OH mCPBA CrO 3, H30+ PCC ? None of the above НО д

A:

Q: 74. Determine whether each redox reaction occurs spontaneously in the forward directi a. Ca²+ (aq) +…

A: In a redox  reaction, oxidation occur at anode and reduction occur at cathode.Grater the value it…

Q: H₂S(aq) +2 NaOH(aq) → Na₂S(aq) +2 H₂O(1) 2 CI (aq) + 2 H₂O(1)→2 OH (aq) + H₂(g) + Cl₂(9) 4 HF (9)+…

A: Oxidation: Oxidation number increasesReduction: Oxidation number decreases

Q: How much heat is needed to bring 19.2 g of water from 29.8°C to 45.87°C if the specific heat…

A: Formula of specific heat capacity: Cs = q/m∆T q = mCs∆T m = mass of substanceCs = specific heat…

Q: 0.0322 M EDTA solution is used as the titrant in the titration of a 50.00 mL solution that is 0.0129…

A: EDTA titration is a type of complexometric titration that uses ethylenediaminetetraacetic acid…

Q: O CHEMICAL REACTIONS Identifying oxidized and reduced reactants i... Al(s) + FeBr₂ (aq) For each…

A: A redox reaction is always accompanied by an oxidation and a reduction reaction.Oxidation : Loss of…

Q: Carbonate and bicarbonate can be combined to form a buffer system.  How many grams of magnesium…

A: Ka of bicarbonate , HCO3- = 4.7 X 10-11Volume of bicarbonate solution = 750.0 mLMolarity of…

Q: O ELECTROCHEMISTRY Writing the half-reactions of a single-... AA Study this chemical reaction:…

A: Chemical reaction :FeSO4 (aq) + Zn (s) → Fe (s) + ZnSO4 (aq)

Q: An old 0.500 L lecture bottle of hydrogen chloride (HCI) was found in a lab and needed for a…

A: Volume of hydrogen chloride= V = 0.5 L Pressure = P = 57.5 psi = 3.91 atm (since, 1 psi = 0.068 atm)…

Q: Draw the initial and the final product of this two step sequence. Ignore stereochemistry, and…

A: N-Bromo succinimide (NBS) is the best reagent for allylic bromination. The reaction proceeds via a…

Q: Click the "draw structure" button to launch the drawing utility. The following reaction has been…

A: In case of alpha, beta-unsaturated Carbonyl compounds:Hard nucleophile gives direct addition or…

Q: 04. Give the expected major product or products in each of the following transformations. Clearly…

A:

Q: A sealed glass jar has a small amount of water on the bottom. The rest of the volume in the jar is…

A: Daulton's law -> The pressure of a mixture of gases is given by Dalton's Law of Partial…

Q: A 9.00 L tank at 28.9 °C is filled with 8.24 g of sulfur tetrafluoride gas and 5.83 g of chlorine…

A: Volume of the tank = 9 LTemperature = 28.9 0CAmount of sulfur tetrafluoride = 8.24 gAmount of…

Q: Help 1 You are given a piece of pie straight out of the oven, so the crust and the filling are at…

A: The given statement are :---(B) False

Q: A student performs an experiment similar to Experiment 1 using hydrochloric acid (HCI) and potassium…

A: Mass of hydrochloride acid solution = 433.921 gFinal combined Mass = 637.769 g

Q: ||| O THERMOCHEMISTRY Calculating a molar heat of reaction from... Using the table of standard…

A: It is based on the concept of enthalpy. Enthalpy is one of thermodynamical property which  measures…

Q: Questions 5-8 pertain to the titration of 50.00 mL of 0.240 M cyanic acid (HCNO) with 0.480 M…

A: We know that at the equivalence point in Weak acid - strong base  mol of acid is equal to mol of…