PART IV. FORMATION OF COPPER METAL In Part D of the experimental procedure, 3 M sulfuric acid is added to the copper(II) oxide to produce copper(II) sulfate and water. Write a BALANCED chemical equation to represent this reaction. copper (II) oxide + sulfuric acid → copper (II) sulfate + water 2 2 2 2

Q: The base B has pKb  5.00. (a) What is the value of pKa for the acid BH? (b) At what pH is [BH] …

A: Handerson Hasselbalch equation –  Buffer solution is mixture of weak acid and its conjugate base.…

Q: Assuming a harmonic potential, if the zero-point energy for a diatomic molecule is 564 cm1. What is…

A:

Q: . Determine the direction of the next reaction from the relative forces of acids and bases. H2S (aq)…

A: pKal of H2S is 7.05 and of HC2H302 is 4.75 So HC2H302 is a stronger acid than H2S. thus, it would be…

Q: Which two of the following statements are true when considering a diatomic molecule? Select one or…

A: The energy of different levels of a harmonic oscillator is given by the expression: E=(v+12)hν

Q: What mass of [Co(NH3)5ONO]2+ will you need to create 0.0100 M of 100 mL solution using 0.0100 M…

A:

Q: Evaluate the statement whether it is true or false: Using an Ostwald viscometer, we can also…

A: To determine the viscosity of liquids, generally we use two methods in our laboratory.  1. Oswald's…

Q: How many vibrational normal modes does the molecule FNO possess?

A: FNO is a linear molecule with 3 atoms (n = 3):

Q: Which statement is correct regarding the acid-base equilibrium system below? CH . OH HN I.…

A: Answer  III   spontaneous in reverse direction because H3C-CH2-NH3+…

Q: CH3NH2  is a (a)Arrhenius acid.    (b)Arrhenius base.   (c)Bronsted-Lowry acid.…

A: From given  we are going to determine CH3NH2 ( methyl amine) nature

Q: For fluorescence measurements in dilute solutions, doubling the sample concentration will result in…

A: Spectrophotometer is a device consists of monochromator that produces a light beam containing a…

Q: Determine the AH of the reaction 1 1 NO2(9) +702(9) +5H209) → HN03(aq) |

A: Each chemical reaction is associated with the liberation or absorption of energy. When the energy is…

Q: Which three of the following statements are true when considering a diatomic molecule? Select one or…

A: In the harmonic oscillator model of a diatomic molecule, the molecule is considered as a spring that…

Q: 3. Predict the shift in the following equilibrium system resulting from each of the following…

A: The following equation is, 4 HCI (g) + O2 (g) ⇌ 2 H2O(g) + 2 Cl2 (g) + 113kJ The shift in…

Q: In which region of the electromagnetic spectrum is radiation of wavelength 3 micrometres? Select…

A: The arrangement of the rays in the order of decreasing wavelengths or increasing energies in a…

Q: Question 4 A sample of 3.15 moles of a substance was burned in a constant pressure calorimeter. The…

A: We have to calculate the enthalpy of combustion for the reaction

Q: Resistance to flow. * Viscosity Shear surface tension Rate of shear Evaluate the statement whether…

A: Viscosity means the resistance of flow of fluid (liquid or gas) offer by one layer of fluid to…

Q: Which of the following statements regarding a modern dispersive Raman spectrum is incorrect? Select…

A: Raman Spectroscopy is an analytical and non-destructive technique for chemicals that gives detailed…

Q: A colloidal suspension of negatively charged particles is to be destabilised by the addition of a…

A:

Q: What are the [H3O*] and pH of 0.085M weak base C2H5NH2?

A: Given concentration of C2H5NH2 = 0.085 M It is also given that C2H5NH2 is a weak base. We have to…

Q: Balance the following redox equations showing clearly the balanced reduction and oxidation half…

A: Redox reaction are the reactions in which oxidation and reduction takes place.

Q: We can measure the density of a liquid using alan Ostwald viscometer Triple beam balance Westphal…

A: The triple beam balance is an instrument used to measure mass very precisely.so it can not measure…

Q: Assuming a harmonic potential, if the zero-point energy for a diatomic molecule is 297 cm1. What is…

A: The zero point energy of a diatomic molecule is 297 cm-1. The given vibration level of the molecule…

Q: Stripping voltammetry is a highly sensitive electroanalytical technique for the determination of…

A: Current = 5 × 10-6 A Time = 2 minutes 1 minutes = 60 second Time = 120 s. Molar mass of Cd = 112.4 g

Q: Write the formula for the following. (a)Conjugate base of H2O (b)Conjugate base of H2PO4–…

A: Conjugate acid- base pair are those pairs which have only difference of absence or presence of…

Q: Use your rate law to determine the unit for the rate constant for this reaction. 5.1 Experiment 1…

A:

Q: In the following reaction in aqueous solution, the acid reactant is and its conjugate base is…

A: ->According to bronsted -lowry theory acid is substance which can donate H+ to the solution .…

Q: In which region of the electromagnetic spectrum is radiation of wavelength 300nm? Select one: a. Far…

A: The arrangement of the rays in the order of decreasing wavelengths or increasing energies in a…

Q: PART III. FORMATION OF THE OXIDE In Part C of the experimental procedure, the copper(II) hydroxide…

A: Balanced chemical equation can be define as the reaction in which number of atoms of all the…

Q: Write the net ionic equation for the precipitation of nickel(II) sulfide from aqueous solution:

A: Net ionic equation is defined as an equation which shows only those elements or ions or compounds…

Q: Predict the nature, including the correct special isomerisation (i.e. cis/trans) when necessary, of…

A: A question based on trans effect, which is to be accomplished.

Q: Which of the following statements is true about surface tension? * Surface tension is responsible…

A: Option a is correct .

Q: The following plot was obtained from the supernatant of a sol after it had been pH adjusted with…

A: Given spectra:

Q: Fluorescence measurements of concentration are inherently more sensitive than spectrophotometic…

A: Fluorescence  spectroscopy is more sensitive instrumental technique, as in spectrophotometer…

Q: (c) NH2 HA (cat.) Draw Your Solution

A: Given,The reaction:(c)

Q: The Isoelectric point is characterised by the particles having a net zero surface charge. At this…

A: Coagulation in proteins occur when the oppositely charged ends of the peptides comes closer together…

Q: Enter electrons as e". Use smallest possible integer coefficients. States are not required. If a box…

A:

Q: In an experiment with an Ostwald Viscometer, the times of flow of water and toluene are 45 s and…

A:

Q: Which of these conditions will result in the least stable Fe(OH)3 sol? Select one: а. Positive O b.…

A: Answer Metallic oxide, and metallic hydroxide,  Some dye used as…