The electromotive force of the half cells at 25 čs Ag / A5 Ag / Ag Br 0-8 V -0.071V Solubility product constant to silver bromide ? electromotive farce calculate: (6) to the Cells Ag/ AgBress/ HBr co.02m)/Ha(a afm}/ pt when the efficiency y Coefficient to hydrogen bromide

Q: At constant volume, the heat of combustion of a particular compou (molar mass = 162.47 g/mol) was…

A:

Q: H2(g)+Cl2(g) ---> 2HCl(g)      ∆H=-184.6 kJ Determine the mass, in grams, of chlorine gas consumed…

A:

Q: The enthalpy of reaction, AHrxn, for this reaction is-3918.4 KJ. Calculate the bond strength of the…

A: Given : combustion of cyclopropane

Q: b. For each pair State whetner theyare resonance, Enantiomer, diastereomers structural isonmers or…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: A 15.0-g sample of metallic lead is heated by increasing its temperature from 22°C to 37°C. If the…

A: Given :-  Mass of lead = 15.0 g  Initial temperature = 22°C  Final temperature = 37°C  Heat supplied…

Q: The first three half-lives of a chemical reaction are as follows: 11min, 22 min, 44min. What is the…

A:

Q: The table below shows the values ​​of the standard enthalpies of formation of the substances…

A:

Q: Which statement is correct about the boiling? select the correct answer. O a. a dynamic equilibrium…

A: Boiling is a process of converting liquid phase to gas phase.

Q: Commercial agriculture can often lead to water-quality problems. In one to two sentences, explain…

A: Agriculture, which accounts for 70% of global water withdrawal, plays an important role in water…

Q: What is the energy (in KJ) of one mole of photons associated with radiation that has a frequency of…

A:

Q: Which are soluble and insoluable and why

A: Solubility of salt can be determined using the solubility chart or rules. Type of cation and anion…

Q: Calculate the de Broglie wavelength for a proton with a velocity 5.0% of the speed of light.

A: Given :- velocity of proton = 5.0% of speed of light  To calculate :- de Broglie wavelength for…

Q: Calculate the Enthalpy of change in Kj/mol and % difference in the neutralization reaction below:…

A: Given neutralization reaction:

Q: • Based on the following electrochemical cell notation: Fe (s/ Fe2* (ag) I| MnO4 (aq), II MnOA (aq)…

A: Hii there, As there are multiple sub parts posted. we are answering first-three sub parts . If you…

Q: What is the pH of the solution formed when 1.13 g of diethylammonium chloride ((CH3CH2)2NH2)+Cl- is…

A: Buffer solution: A buffer solutions is an aqueous solution consisting of a mixture of a weak base…

Q: 1. O3 2. Zn, HOAC %3.

A:

Q: Consider the titration of 100.0 ml of 0.100 M HOCI by 0.100 M KOH at 25°C. K, for HOCI = 3.5x10-8.…

A: Since you have posted a question having multiple subparts, we will solve only the first three…

Q: Calculate the pH of a 0.125 M solution of KN3 at 25°C. Ka for HN3 is 2.5 x 105

A: Given data,Molarity of KN3=0.125 MKa of HN3=2.5×10-5

Q: How much heat will be absorbed when 13.7 g of nitrogen reacts with excess O2 according to the…

A: The reaction given is, => N2 + O2 → 2 NO                        ∆H = +180 KJ. Given: Mass of N2…

Q: Question 2 Which of following statement is TRUE for the two half cells with the salt bridge was made…

A:

Q: 7. A sample of 25.0 mL of 0.100 M solution of HBr is titrated with 0.200 M NaOH. a Calculate initial…

A: Given: Concentration of HBr = 0.100 M Volume of HBr solution = 25.0 mL = 0.025 L…

Q: An atom with 2 electrons, 2 protons and 4 neutrons has an atomic number of ...

A: Given -> Number of electrons = 2 Number of proton = 2 Number of neutron= 4

Q: In the phase diagram shown, segment AD corresponds to the conditions of temperature and pressure…

A: The phase diagram given is,

Q: With reference to the following reaction scheme: LIAIH4 Et,NH HCI (cat.) A C3H180 B C12H25N Me Но…

A: We have to draw the structures of the compounds A-D.

Q: ) For the following reaction, after you balanced the redox reaction, please calulate ΔS, ΔH, and ΔG.…

A: 1) Given that unbalanced Chemical equation -  SO2(g) + O2(g) + H2O(l) yields H2SO4 (aq) (unbalanced…

Q: A first order reaction is 84 % complete in 90 minutes. Calculate the half- life of this reaction.…

A: Detail mathematical calculation is shown below

Q: Which of the following statements are true? (select all that apply, The frequency of an…

A: We would use definitions of these terms and phenomenon to select true statements .

Q: 4min. What is the order of the reaction rst econd ero mpossible to determine

A: As we know,  Half life is directly proportional to initial concentration raised to power (1-n) As,…

Q: An electric current of 124.0 mA transports 30.0 C of charge. Calculate the time this took. Be sure…

A: Given: Current = 124.0 mA = 0.124 A                                 (Since 1 A = 1000 mA) And the…

Q: *Lo00 wt-2, NaoH : 0.1N

A: Normality : It is number of gram mole of solutes present or dissolved in 1 litre of solution.

Q: Complete the following table, which lists information about the measured acid dissociation constants…

A: The acidic stregth of an acid is determined by its acid dissocation constant.  The acid dissociation…

Q: Q) If 25m VToluene and Voit 25ml Viwater ooml * N NacH 0.IN mwt find wt :

A: Totla volume is given by sum of all volume= 100 + 25 + 25 = 150 mL  Volume (L)= 150/1000 Volume (L)…

Q: a. tor each pair, State and explain which is mote basic : (t) (r) b. tor each pair Enantiomer,…

A:

Q: Classify each aqueous solution as acidic, basic, or neutral at 25 °C. Acidic Basic Neutral Answer…

A: At 25°C ;  pH + pOH = 14.0 pH = -log[H+]  pOH = -log[OH-]

Q: Calculate the mass in grams of zinc that will deposit on a metal washer if a current of 25.0 A is…

A:

Q: A solution was found to have a pH of 13.33 at 25 °C. What is the concentration of OH? O a. 0.21 M O…

A: To find the OH- concentration, first find out the pOH and using that pOH, find out concentration of…

Q: N2 + 3H2 =2NH3 + heat a. remove NH3 gas b. decrease pressure c. add N2 gas d. increase temperature

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: Supplemental Question Q8 (to be answered under section C) Regarding your answers in the fifth column…

A: A question based on equilibrium concept that is to be accomplished.

Q: 7. Consider 30.0 ml of 0.20 M HCOOH (formic acid) titrated with 0.20 M NAOH. Which of the following…

A: For weak acid (HCOOH) and strong base(NaOH) titration the pH at half  equivalent point is equal to…

Q: A first order reaction is 84 % complete in 90 minutes. Calculate the half- life of this reaction.…

A:

Q: The molecular weight of a gas having a density of 6.70 g/L at STP, in g/mol is:

A: Given :- density of gas at STP = 6.70 g/L  To calculate :- molar mass of gas (g/mol)

Q: What is the energy (in kJ) of one mole of photons associated with radiaition that has a frequency of…

A:

Q: 2OF2(g)  ---->  O2(g) + 2 F2(g)             ∆H= -49.4 kJ   How much energy (in kJ) is released…

A: Oxygen difluoride decomposes into oxygen and fluorine. The equation for the balanced chemical…

Q: Which of the following is likely to give immediate results with Lucas reagent a. 2-methyl 2-heptanol…

A: Tertiary alcohol gives turbidity immediately with Lucas reagent .

Q: A certain reaction has the following general form:C4H8-2C2H4 At a particular temperature and [C4H8]0…

A:

Q: answer the following questions based on this chemical reaction. 34.8 grams of copper reacts with…

A: Given,  34.8 grams of copper reacts with 23.9 of silver sulfate to produce silver and copper (ii)…

Q: Determine the pH change when 0.086 mol NaOH is added to 1.00 L of a buffer solution that is 0.427 M…

A: First we would Calculate pH before addition of NaOH using Henderson Hasselbalch equation.  Then to…

Q: 8. Given the initial concentration in the table, find the equilibrium concentrations for A, B and C.…

A:

Q: A 0.437 M solution of a weak base has a pH of 11.94. What is the base hydrolysis constant, Kp, for…

A: