How many minutes does it take to plate 164.8g of chromium onto a car part using 16.75 A of current Cr^2+ (Aq)+2e- —->Cr(s)

Q: Which of the following 1.25M aqueous solution will have the lowest pH? (Qualitative analysis only,…

A: Concentration = 1.25 M ->Base has pH greater than 7. ->Acids has pH less than 7. ->Neutral…

Q: Delkaomine TVE 2. Co (I-nosborenea Mo cco), CP Pho)s 3.

A: Total valence electrons is defined as the sum of valence electrons of metal (d and s electrons) and…

Q: 1) PhN=C=S; 2) HF CF3CO2H HF 1) DCC; 2) HF NaOH, H2O 1) DCC; 2) CF3CO2H 1) DCC; 2) NaOH PhN=C=S DCC

A:

Q: How many amperes are required to deposit 0.120 grams of iron metal in 844 seconds, from a solution…

A: The amount metal deposited at the electrode is directly propotional to the amount of current passess…

Q: A sample of an unknown gas is placed in a vessel with a volume of 1,638 mL at a temperature of 48.7…

A: Given: The volume of the gas = 1638 mL The temperature of the gas = 48.7 ∘C The pressure of the gas…

Q: The carbon-14 decay rate of a sample obtained from a young tree is 0.252 disintegration per second…

A: Decay process is a first order reaction. Therefore we have to put the integrated rate law for first…

Q: How many molecules of carbon monoxide (CO) are needed to react with-excess trOFE) oxide (Es) to…

A:

Q: Which of the following compounds is an oxidizing agent only: a. KNO2; O b. HNO3; O c. NH3; O d. N2

A: Oxidizing agent is substance which can oxidize the other species but reduce itself hence, oxidizing…

Q: Draw the Lewis structure of KrF, and then determine the hybridization of the central atom. A) sp B)…

A: Lewis’s structure: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a…

Q: y amperes a

A:

Q: Will the following reaction be spontaneous under standard conditions? Zn(s) + 2H*(aq) → Zn+2(aq) +…

A:

Q: A sample consisting of 2.5 mol of perfect gas molecules with Cp,m = 29.4 J K –1 mol–1 is initially…

A:

Q: Table 2. Data on Sample Analysis Volume of water sample (mL) : 10.00mL Trial Volume of EDTA (mL) ppm…

A:

Q: The molar heat capacity of solid aluminium is 24.4 J K −1 mol−1 at 25∘C. What is the change in…

A:

Q: (b) Determine the position of equilibrium H.

A: (b) In an acid-base reaction, equilibrium shifts on that side where the anion formed is stable. In a…

Q: How many seconds are required to deposit 0.175 grams of chromium metal from a solution that contains…

A: Electrolysis is a process that uses direct electric current to drive non-spontaneous chemical…

Q: est # reactions observations 1 reaction with HCI white precipitate formed 2 precipitate from HCI…

A:

Q: Br CH) HO.

A: Here we have to synthesize the following given compounds by multistep reactions by using suitable…

Q: 3. Why did a mixture of 2.00 mL of pH 7.00 phosphate buffer, 0.900 mL of deionized water and 0.100…

A: 3. p-nitrophenyl acetate? in solution yields a light yellow to yellow solution?. This has a…

Q: Calculate the concentration of CO3, H3O+, and OH in a 0.180 M solution of H2CO3. (Kal = 4.3 x 10 and…

A: H2CO3 is diprotic acid hence dissociated two times in solution

Q: Choose the correct order based on the given criterion per line for comparative 1.5 M aqueous…

A: ->Acids has pH less than 7 , stronger acid has less pH. -> Base has pH greater than 7 ,…

Q: mass percent

A:

Q: 1. Pour Observe the hydrogen peroxide. (Warning: Hydrogen peroxide is corrosive. Avoid contact with…

A: 1. When yeast was added to hydrogen peroxide, a chemical in the yeast causes a reaction in which the…

Q: QUESTION 8 Click the peak that corresponds to the carboxylic acid carbon. H. 0. 1 6 (ppm) Selected…

A: The assignment of C-13 peaks for benzoic acid is given below

Q: in mind that HCN is a weak acid. acids: O bases: O ? other: O acids: O bases: O O other: O

A: Acid base reaction takes +place between KOH and HCN. HCN + KOH --> KCN + H2O As both have same…

Q: If a sample of 4.17 L of ethane gas, C,H, at 725°C is cooled to 175°C at constant volume? pressure,…

A:

Q: What is the pH of a 0.100 M solution of generic diprotic acid, which has a Kat of 2.1 x 10-5 and Ka2…

A: Given: The Ka1 of a generic diprotic acid = 2.1×10-5 The Ka2 of the acid = 3.1×10-9 We have to…

Q: What hazards should you be aware of when working with copper and lead compounds in the laboratory

A: High levels of copper and lead compounds can be harmful. Inhaling large amounts of copper or lead…

Q: Name the following metal complexes or complex ions: formula name [Fe(OH), (en); ] [v(eN), (NH,).]…

A:

Q: The carbon-14 decay rate of a sample obtained from a young tree is 0.260 disintegration per second…

A: Initial activity = 0.260 dpspg Final activity = 0.181 dpspg Half life = 5715 year

Q: What is the standard cell potential for the following cell? Will the reaction be spontaneous? 3Cu(s)…

A: Given, 3Cu(s) + 2Fe3+(aq) ↔ 3Cu2+(aq) + 2Fe(s)Cu2+(aq) + 2e- ↔ Cu(s) Eo = 0.340VFe3+(aq) + 3e- ↔…

Q: Which of the following is INCORRECT? A. HCO3 : Amphoteric B. H20 : Amphoteric C. H2PO4 :…

A: ->Amphoteric species can act as acid and base both i.e. it can loose and accept H+. ->Bronsted…

Q: Hint: you need to loose a carbon from one of the starting materials. Insctie pts) OCH3 Hint: you…

A: Note : Retrosynthesis followed by synthesis.

Q: Consider the following system at equilibrium where AH° = -18.8 k), and K = 10.5, at 350 K: %3D %3D…

A: 2CH2Cl2(g) <-----> CH4(g) + CCl4(g)  ∆H°= -18.8 KJ     Kc = 10.5  According to Le-chatelier…

Q: 0.268 mol AgNOz and 3.10 mol NH, were added to enough water to give 1.00 L of solution at 25 °C.…

A: We have to calculate the concentration of free silver ion in solution.

Q: For carbon monoxide, the characteristic vibrational temperature is 3084K and the characteristic…

A:

Q: For the reaction below, Kc = 1.10 × 10⁻⁸. Note Kc is sometimes called K. What is the equilibrium…

A:

Q: measures the solubility of Ca(NO3)2

A: The formula for ionic strength (I) is given by,…

Q: The reaction 3C12 + 6KOH -- KCIO3 + 5KCI + 3H20 is the: O a. acid-base reaction O b. precipitation…

A: In given reaction Cl2 which a neutral molecule reacts with KOH which is a base.

Q: A gas that has a volume of 28 liters, a temperature of 45 °C, and an unknown pressure has its…

A:

Q: Question 8 How much energy (in Joules) is required to convert 117 grams of ice at -35 °C to liquid…

A:

Q: need help with   Write the complete ground-state electron configuration of B³⁺.   Write the complete…

A: the complete ground-state electron configuration of B³⁺ is 1s2.

Q: Solution: Kso=1.41-10-11 The resistance of a saturated solution of PbSO4 (very insoluble salt) at…

A:

Q: 4. a) What is the osmotic pressure of an aqueous solution at 25°C if its freezing point is -2.1°C?…

A: Using relationship between different colligative properties to concentration we can calculate the…

Q: Assign oxidation numbers to each element and balance the equation in an acidic solution.  MnO4- +…

A: The sum of the oxidation numbers of any species should be equal to the net charge on that species.

Q: One of the most promising possibilities for commercial fusion is combining deuterium (amu 2.014102…

A: Here we are required to find the energy that would be given off by nuclear reaction

Q: How many grams of silver can be plated onto an object in 5.70 minutes at 7.17 A of current? Ag*(aq)…

A: The amount of Silver plated is given below

Q: Which of the following is amphoteric (1.e. can behave as an acid or base) in aqueous solution?…

A: Bronsted-Lowry acid-base theory: The Bronsted-Lowry acid-base theory states that the acid is a…

Q: Enter your answer in scientific notation. Be sure to answer all parts. Calculate the nuclear binding…

A: Atomic mass of Ag = 120.9199 amu

Q: Predict the major organic product for the following reaction sequence. 1) a. LDA, ether b. n-BuBr 2)…

A: Detail mechanistic pathway is given below to find out the major product

Electrolysis

Electrolysis is defined as the process of breaking down ionic compounds into their constituent elements by passing a direct electric current through the compound in a fluid state. The cathode reduces cations, while the anode oxidizes anions. An electrolyte, electrodes, and some form of external power source are the main components required for conducting electrolysis. A partition, such as an ion-exchange membrane or a salt bridge, may also be used, but this is optional. These are primarily used to prevent the products from diffusing near the opposing electrode.