A gas is observed at the cathode and the pH also went up when a solution of KBr is electrolyzed. Write the balanced half reaction that is occurring at this electrode.

Q: Which of the conditions is always true at equilibrium? True at equilibrium Not necessarily true at…

A: Given table is :

Q: 10.  a. Light at 278 nm passes through protein RNase A with optical path length is 1μm and the…

A:

Q: question. A 10.2 gram sample of oxygen gas has a volume of 812 milliliters at a pressure of 3.48…

A:

Q: Complete the Haworth projection of ß-D-fructose. The anomeric carbon is shown. Answer Bank ОН CH,OH…

A: A Haworth projection is a common way to represent the cyclic structure of monosaccharides with a…

Q: What quantity of moles of H,SO, are required to completely react with 7.20 mol of Al according to…

A: From equation it's clear that 2 miles of Al reacts with 3 moles of sulphuric acid.

Q: Płots of AG" of vaporization vs the pressure(gas) for butane and benzene are shown below. At 1 atm,…

A: Energy required for vapourisation, increse the entropy of system.When ΔG=0, the reaction is in…

Q: ÇH, H Q CH, CH, 130°C H. `C=N H,C, H C=N 12

A:

Q: If the change in enthalpy is 60.2 kj/mol and the change in entropy is -4 j/mol k at 45 degrees…

A:

Q: Calculate the ionic strength of a solution that is 0.15 mol kg-1 in KCI(aq) and 0.30 mol kg-1 in…

A: Given: Molality of KCl = 0.15 mol kg-1 Molality of  CuSO4 = 0.30 mol kg-1

Q: • What will be the bond order for Lizmolecule? What temperature Liz will form?

A: In chemistry, bond order, as introduced by Linus Pauling, is defined as the difference between the…

Q: Deriv ation f schroolinger wave Equation with fuep Expoynationn and aingram And its Application

A: You have multiple questions so I will solved first question for you please post separately rest of…

Q: What is the total number of valence electrons in the following strcuture? H. ö: || c-H H H. O 22 O…

A: In this question we have to tell the total number of valence electrons in the given structure.

Q: Organic compounds with carbon-carbon triple bonds are classified as ________. Question 30…

A: Aromatic compound = Compound should be cyclic. Compound should be planar. Compound should be follow…

Q: The following reaction was analyzed and data was collected. 3A (g) + 2 B4 (g) + C2 (g) – D (g)…

A:

Q: kinetics

A: According to the question,  Rate constant= 9.20*10^-10 cm^3 molecule^-1 s^-1

Q: 4. MF = C10H12O CDCI3 QE-300 240 220 200 180 160 140 120 100 80 60 40 20 solvent 1 12 11 10 8. 6. 3

A:

Q: MN * 00 %24 The relative ionic radii of four ions, A, B, X, and Y, are shown. The ions shown in teal…

A: The ionic compound with 1 : 1 cation and anion are formed when the ions have same magnitude of…

Q: 4. Calculate the heat that is transferred when 98.999g of metal is heated from 20.1°C to 125.0°C.…

A:

Q: In the best Lewis structure of OCI2 , around the oxygen there are and O 6 bonding pairs and 2 lone…

A: In this question we have to tell the bonding pair and the lone pair.

Q: Consider the reaction: A+2B --> C S° (A) = 107.57 J/molK S° (B) = 208.88 J/molK S° (C) = 191.70…

A:

Q: Label the structures to show the monosaccharide units produced by hydrolysis of the disaccharide.

A: Monosaccharides are the simplest carbohydrates that cannot be further hydrolyzed.

Q: On solid ZnO at 300 °C, 13C16O and 12C18O undergo isotope mixing to form 13C18O and 12C16O. Write a…

A: Langmuir-Hinshelwood mechanism is used to explain the surface reactions.

Q: What mass grams of nitric acid , HNO3, is required to neutralize (completely react with) 4.30 | g of…

A:

Q: Write the rate law for this reaction. rate %3D Calculate the value of the rate constant k. k = 0…

A: We have to predict the rate law and rate constant.

Q: Calculate the (a) electrical energy, (b) AG", and (c) K of the reaction: 1. Fe*g / Feti // Ag*im /…

A:

Q: gn and construct (with drawing) an indicating (working) electrode anc asurement of iodide anions.

A: According to the question, we need to construct working a electrochemical cell using iodide ions and…

Q: of 25 Write the equilibrium-constant expression for the reaction shown in terms of [A], [B], [C],…

A:

Q: 1. How many GRAMS of nitrogen are present in 4.54 moles of nitrogen monoxide ? grams. moles. 2. How…

A: Given, moles of nitrogen monoxide(NO) = 4.54 moles we can see that 1 moles of NO contains 1 moles of…

Q: calculate the volume (in L ) needed to dissolve 2.77 g of QCrO4 Molar mass= 302.59 g/mol  ksp=4 *…

A:

Q: Write the reaction between ammonia, NH3, and hydrosulfuric acid, H2S. NH3 + + In this reaction…

A:

Q: Nitrogen gas (N) has a solubility in water of approximately 0.0179 g/L at 25.0°C and 0.99 atm. What…

A:

Q: mL of the 50.0 ppt solution in the previous problem are require

A:

Q: + |/ 00 %24 D. Two bulbs are connected by a stopcock. The 7.50 L bulb contains nitric oxide (NO) at…

A: After the stopcock is opened, the following reaction occurs:

Q: 1) 2 CH3MgBr 1) CH,MgBr Y Co,CH3 2) H20, HCI 2) Н,О, НCI

A: Given,

Q: A 1:25 dilution is done with a 10.0 ppb solution. What is the concentration of the diluted solution…

A: Given that, 1:25 dilution of 10.0 ppb solution. Concentration of diluted solution?

Q: Which of the following single-displacement reactions will actually occur if the indicated reacants…

A: Single displacement reaction is a type of chemical reaction in which a more reactive species…

Q: он + En HBr Br2 peroxides H,O

A:

Q: Which of the following elements has the highest electronegativity? Br All have the same…

A:

Q: Consider the following process: C(s, diamond) --> C(s, graphite) AH°, (Cs, diamond) 1.9 kJ/mol; As°…

A:

Q: Complete the table below for calculating the molar mass of the compound tetraphosphorus decaoxide.…

A:

Q: 5. When calcium metal is placed in water, a single-displacement reaction occurs. Write a balanced…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Radiation Particle Emitted: Positron Provide the missing information for the following bombardment…

A:

Q: Proton beam radiotherapy for cancer takes advantage of the fact that the rate of energy deposition…

A: The power incident on the cancer to perform the treatment of a 20 mm cancerin 5 minutes for the…

Q: The Lewis structure of (NO+) ion is shown below. What is the hybridization and formal charge on…

A:

Q: Cl2

A:

Q: 60 50 40 kcal/mol 30 20 10 course of rx Activation energy is required to make the reaction occur A.…

A: The minimum energy required to cross the energy barrier is known as activation energy.

Q: Can you please help show how to do the syntheses for this molecule with the given reactant?

A:

Q: Consider the incomplete structure. Add formal charges as necessary to the structure. All unshared…

A:

Q: The addition of  1.270 g of zinc metal (65.38 g/mol) to 0.100 L of  0.1942  M HCl in a coffee-cup…

A: We first need to decide on the limiting reagent, and then we can proceed to solve the reaction- The…

Q: 27) How many moles of ions are there in 20 g of magnesium phosphate, Mg3(PO4)2? a. 5.0 moles b.…

A: