Balance the reactions using the change in oxidation number method: a) KBr + KClO2 + H2SO4 → Br2 + KCl + K2SO4 + H2O b) Sn2+ + VO43- + H+ → Sn4+ + V2+ + H2O

Q: What is the no. Of atoms present in 46 g of Na?

A:

Q: Use standard reduction potentials to calculate the standard free energy change in kJ for the…

A:

Q: Give the empirical formula of each of the following compounds if a sample contains the following…

A:

Q: Solution pH [H3O+] mL [A-] eq [HA] eq 1/[A-] Ка 0.200M NaOH A 3.21 5 B 3.66 10 C 4.01 15

A: We have find out the Ka value.

Q: O 1. phonyl ethonel gives jelleuing peaks in ite onae. upeetoum m- 122 ( Moleuda pen) , 107, (00y.…

A:

Q: Bronze Data Mass Of Metal (Bronze) 19.9798 g Tilmetal) 26.21 c Mass Of Water 100 ml 25.01 c Ti(H20)…

A:

Q: find out tmoles of AR present ín the no ang of aluminium?

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

Q: relaboratory Assignment: chemistry: Equation 1. Use the calculation of E° to determine which of the…

A: Given-> E°cell = E°cathode - E°anode ->There occur oxidation at anode and reduction at…

Q: A voltaic cell is composed of two half-cells shown below. Determine Q (at 298K) for the reaction…

A: We have to predict the reaction quotient.

Q: Calculate the mass of 1.40 ✕ 1024 molecules of SO3. Use a molar mass with at least as many…

A: Given: The number of molecules of SO3 is 1.40 X 1024.

Q: 1. Use the calculation of E° to determine which of the following reaction is spontaneous under…

A:

Q: Write a balanced nuclear equation for the following: The nuclide strontium-80 undergoes electron…

A:

Q: Use the following balanced equation for problems 1-5. Molar masses are given below. 2 As 3 H2 2 AsH3…

A:

Q: is in 32. Which of the following statements about tetramethylsilane A. it produces a single peak at…

A: A) it produces a single peak at δ = 10

Q: Rank the compounds below with the strongest acid at the top.

A: Acidic order of different acids can be decided by help of their acid dissociation constants, higher…

Q: Suppose a 250. mL flask is filled with 1.6 mol of Cl,, 0.60 mol of HCl and 1.0 mol of CCl. The…

A:

Q: Use the Solver function in Excel to determine [Sr). [F1. [HF), [OH"), and (H*] for a saturated…

A:

Q: Which of the following bases would be able to irreversibly deprotonate butanal? 1. NaOH 2. H2O 3.…

A:

Q: Draw condensed structural formulas for all compounds with the molecular formula C4H8O that contain a…

A:

Q: Which of the following describe(s) the following reaction? Choose all that apply. U + on 54Xe + Sr +…

A:

Q: CH3I EXcess

A:

Q: k= A e xp () 2. 24 * Fin d(A and BJ P=CA+Btl e 1.21 37 P= 9/cm 2 t=°c , P= apa at m %3D *Find (A and…

A:

Q: A chemist titrates 100.0 mL of a 0.0714M nitrous acid (HNO,) solution with 0.3683M KOH solution at…

A:

Q: Indirect EDTA determination of cesium. Cesium ion does not form a strong EDTA complex, but it can be…

A:

Q: What volume  (in mL) of 2.85 M potassium sulfate solution would contain 30.8 g of solute? Enter…

A: Given - - > Mass of solute = 30.8 g Molarity of potassium sulfate solution = 2.85 M Molar mass of…

Q: What is the binding energy in kJ/mol nucleons for lanthanum-138? kJ/mol nucleons 57 H+ 81,n- The…

A:

Q: In your own words, why the storage bottle should be a dark or AMBER-colored reagent bottle in the…

A: Potassium Permanganate is a photosensitive compound. The solution of potassium permanganate (KMnO4)…

Q: 4. Identify the following as ionic (I) or molecular (M) compounds. a. H2O b. NaCl с. C12H22011 d.…

A:

Q: The two reactants shown below are combined to bring about a nucleophilic substitution reaction.…

A: Nucleophilic substitution reaction involves attack of nucleophile to an electrophilic centre. Given…

Q: ()人 (b) ve (c) (P.

A: Answer-4   IUPAC nomenclature is based on naming a molecule's longest chain of carbons connected by…

Q: state the physical and chemical properties of compound LUTEOLIN (as much as it have)

A: Luteolin is a naturally-occurring flavonoid, with potential anti-oxidant, anti-inflammatory,…

Q: Consider the cell Zn | Zn || Cu?+ Cu .What half reaction is taking place at the anode? Zn(s) → Zn2+…

A: Given that -  Galvanic cell representation -  Zn | Zn2+ || Cu2+ | Cu    In Galvanic cell zinc…

Q: Fill in the nuclide symbol for the missing particle in the following nuclear equation. -1

A: Consider the given equation is as follows;       ?             →    e-10   +   Pb82210

Q: glass container was containing 1.50 moles of a gas sample at 5.00 atm and 21.7 °C was heated to…

A: Given,  Mole (n1) =  1.50 moles  Pressure (P1) =5.00 atm   Temperature(T1)=273 + 21.7 = 294.7 K…

Q: Q) Calculate the pH of benzoic acid solution (25 mL, 0.1 M) after the addition of the following…

A:

Q: You saw a report stating the national weather service measured the pressure at DIA was 30.21 in Hg…

A: Given,   Pressure = 30.21 mm Hg As we know,  relationships of Pressure units  1 mm  Hg = 1 torr 1 mm…

Q: Co 00 salts are often sparingly soluble, but Co () salts are very, very sparingly soluble. The K of…

A:

Q: 1. Given the following hydronium ion concentrations, find the corresponding pH of each solution.…

A: We know that, pH= -log10[H3O+]  -------------------------------------------1 where [H3O+] denotes…

Q: When a 50-gram piece of aluminum at 100 deg C is placed in water, it loses 735 calories of heat…

A: The value of specific heat is the amount of heat given off when 1g of aluminium cools by 1 degree…

Q: What is the rate law expression for the reaction A + B C, based on the following data: [A] M [B] M…

A: The sum of the exponent term in the rate law for a chemical reaction is known as the order of the…

Q: HO

A:

Q: Gallium-67 is used medically in tumor-seeking agents. The half-life of gallium-67 is 78.2 hours. If…

A: Given-> Half life = 78.2 hours Initial amount = 44.2 mg Time = 97.0 hours

Q: NH2 NANO2 HCI (aq) H3O* , a CuBr NEN: OH HBF4

A:

Q: 3. Identify the complete redox reaction for a ZnZn?"IAg*IAg cell. A Zn (s)- Ag(s) Zn (aq) + Ag" (aq)…

A: Answer: Metal that lie above in reactivity series is more reactive than the metal lies below it,…

Q: A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 2vo, (aq) +…

A: Given-> Concentration of VO2+ = 3.63 M Concentration of H+ = 1.38 M Concentration of VO2+ = 0.607…

Q: The two reactants shown below are combined to bring about a nucleophilic substitution reaction.…

A:

Q: Complete and balance the molecular equation for the reaction between aqueous solutions of ammonium…

A: Solubility of ionic compounds can be predicted by using solubility rules Some important solubility…

Q: When the Pb2+ concentration is 1.18 M, the observed cell potential at 298K for an electrochemical…

A: We would use nernest equation at 298 K to calculate Concentration of Mg2+.  For this we would first…

Q: What property of water explains why our body temperature remains essentially constant?  a. Water has…

A: 1. What property of water explains why our body temperature remains essentially constant?  Answer…

Q: Precise measurements give the following masses: nuclide particle mass mass 239 94 Pu 239.0522 u…

A: