User Account

All Pages

Explain and identify the reducing agent in the reaction

Assignment Help Chemistry
Reference no: EM13272045

Sodium thiosulfate, Na2S2O3, is used as a "fixer" in black and white photography. Identify the reducing agent in the reaction of thiosulfate with iodine.

2S2O32-(aq) + I2(aq) ? S4O62-(aq) + 2I-(aq)

Reference no: EM13272045

Questions Cloud

What is the thinnest film : A thin film of MgF2 (n=1.38) coats a piece of glass. Constructive interference is observed for the reflection of light with wavelengths of 500nm and 625nm.
Explain two types of electrochemical cells : Two types of electrochemical cells which are based on thermodynamic principles can be described. Which of the following statements about these cells is correct
What will the cash flows for this project be : The tax rate is 30 percent and the required return on the project is 12 percent. (Use SL depreciation table) What will the cash flows for this project be?
Compute the final equalibrium temperature of the system : A 60 gram iron at 60o C is dropped into 200 gram of water at 20o C, What is the final equalibrium temperature of the system
Explain and identify the reducing agent in the reaction : Sodium thiosulfate, Na2S2O3, is used as a "fixer" in black and white photography. Identify the reducing agent in the reaction of thiosulfate with iodine.
What will the cash flows for this project be : The truck will have no effect on revenues, but it is expected to save the firm $23,800 per year in before-tax operating costs, mainly labor. The firms marginal tax rate is 34 percent. What will the cash flows for this project be?
Meetings, conventions, and expositions : Meetings, Conventions, and Expositions
Determine the market risk premium : The risk-free rate is 8 percent. a. What discount rate should be used to discount the estimated cash flow? (Hint: Use Columbia's cost of equity to determine the market risk premium.) b. What is the dollar value of HCA to Columbia's shareholders?
What is the probability it will rain during the weekend : A weather forecaster explains that there is 50% chance of rain on Saturday and a 50% chance of rain on Sunday. So what is the probability it will rain during the weekend

Reviews

Write a Review

Chemistry Questions & Answers

  What is the equilibrium concentration of n2

3H2 (g) + N2 (g) 2NH3(g), Kc = 6.0 × 10-2 at 500°C for this nitrogen fixation reaction. What is the equilibrium concentration of N2 If 0.250 M H2 and 0.050 M NH3 are present at equilibrium?

  State the bond in molecular iodine is quite weak

The bond in molecular iodine is quite weak, and hot iodine vapor contains a proportion of atoms. When 1.00 g of I2 is heated to 1000 K in a sealed container of volume 1.00 L

  State the structures for all the aldol condensation products

Write the structures for all the aldol condensation products you expect from the cross aldol condensation of 4-methyl benzaldehyde and 2-butanone (methyl ethyl ketone)

  State in an electrolysis cell similar to the one employed

In an electrolysis cell similar to the one employed in this experiment, a student observed that his unknown metal anode lost 0.238 g while a total volume of 84.90 mL of H2 was being produced

  State amino acids is subjected to paper electrophoresis

A mixture of amino acids is subjected to paper electrophoresis at pH 6.0. The amino acids present in the mixture are Val, Glu, Phe, Ser, and Lys. Which amino acids will migrate toward the cathode? Toward the anode? Explain.

  Calculate the molarity of the ethylene glycol

An aqueous antifreeze solution is 35.0% ethylene glycol (C2H6O2) by mass.

  Explain what is the pressure of the same gas at a volume

A tank of oxygen holds 20.0 L of oxygen (O2) at a pressure of 15.0 atm. When the gas is released, it provides 300. L of oxygen. What is the pressure of this same gas at a volume of 300. L and constant temperature

  Explain understanding of atomic and molecular structure

Kn1 knowledge and understanding of atomic and molecular structure, chemical bonding, chemical formulas, chemical equations, mole calculations and the mole concept and the relation between elements of the Periodic Table.

  What mass of cao, in grams, is needed

A first-stage recovery of magnesium from seawater is precipitation of Mg(OH)2 with CaO: Mg2+(aq)+CaO(s)+H2O(l)---->Mg(OH)2(s)+Ca2+(aq).

  Explain what is the percent relative error

what is the percent relative error? Please explain by showing work. Are these measurements more precise or more accurate? What is the purpose of repetition in measurements?

  What is the molarity of the stock solution

Luminol is a reagent used to detect blood at crime scenes. A technician prepares a stock solution by adding 6.0 g of luminol (molar mass=177 g/mol) to 50.0 mL of H2O.

  Explain what cell voltage would you expect from the ph probe

Our simple pH meter that we have used before works on the principles deiscussed on page 829. What cell voltage would you expect from the pH probe if it is place into a beaker containing 50 mL of 1M HCl diluted with 50 mL of distilled water

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd