Explain decomposing the hydroxide to iron oxide by heating

Assignment Help Chemistry
Reference no: EM13253067

A student determines the iron(II) content of a solution by first precipitating it as iron(II) hydroxide, and then decomposing the hydroxide to iron(II) oxide by heating. How many grams of iron(II) oxide should the student obtain if his solution contains 38.0 mL of 0.483 M iron(II) nitrate?

Reference no: EM13253067

Questions Cloud

The proportions of republicans and democrats : In a study, 65 % of the 100 Republicans surveyed, favored the bill for a salary increase and 60 %of the 200 Democrats surveyed, favored the same bill for a salary increase. Test whether the proportions of Republicans and Democrats favoring this bi..
Explain what mass of waste brine is expelled in one day : If the desalination plant wants to produce 1400.0 gallons of drinking water per day, how many gallons of brine must the plant take in per day. The density of fresh water is 1.000 g/cm3. The density of brine is 1.025 g/cm3. What mass of waste brine..
Which of following is not a criterion for choice in decision : Which of the following is not a criterion for choice in decision making under uncertainty? a. Equal probabilities (Laplace). b. Pessimistic. c. Coefficient of optimism (Hurwicz). d. Optimistic. e. Maximax regret.
The average zinc concentration : The average zinc concentration taken from a sample of zinc measurements in 25different locations is found to be 3.0 ounces per gallon. Find the 95 % confidence interval for the mean zinc concentration in the river. Assume that the population is no..
Explain decomposing the hydroxide to iron oxide by heating : A student determines the iron(II) content of a solution by first precipitating it as iron(II) hydroxide, and then decomposing the hydroxide to iron(II) oxide by heating.
Determine the rms current in the circuit : A series RLC circuit contains a resistor of 20 ohms, a capacitor of 0.75x10^-6 F, and an inductor of 0.120 H. what is the rms current in the circuit when operating at its resonance frequency
Explain mass percentage of bromine in the original compound : A 0.4564 g sample of a pure soluble bromide compound is dissolved in water, and all of the bromide ion is precipitated as AgBr by the addition of an excess of silver nitrate. The mass of the resulting AgBr is found to be 0.8815 g.
What is the single most positive advantage of group decision : What is the single most positive advantage of group decision making and what is the single most negative aspect of group decision making?
Find the radius of the path for a singly charged ion : Consider the mass spectrometer shown schematically in the figure below. The electric field between the plates of the velocity selector is 5900 V/m, Calculate the radius r of the path for a singly charged ion

Reviews

Write a Review

Chemistry Questions & Answers

  Compute ph of the solution after addition mols of koh

Calculate pH of the solution after addition of 0.20 mols of KOH. The Ka for HNO2 is 4.3*10^-4

  State what is the free energy change for the dissolution

Calculate the Ksp for Na2B4O5(OH)4 from this data. d. What is the free energy change for the dissolution of Na2B4O5(OH)4 at this temperature?

  State a collapsed balloon is filled with he to a volume

A collapsed balloon is filled with He to a volume of 11.2L at a pressure of 1.00 atm. Oxygen (O2) is then assed so that the final volume of the ballon is 21

  What is the pressure in the flask

The lid is tightly sealed on a rigid flask containing 3.50 L H2 at 17 °C and 0.913 atm. If the flask is heated to 71 °C, what is the pressure in the flask?

  Explain how many moles of acid can the antacid counteract

If 5.20mL of 0.1000 M NaOH solution is needed to just neutralize excess acid after 20.00 mL of 0.1000 M HCl was added to 1.00 g of an antacid, how many moles of acid can the antacid counteract per gram?

  State methane gas

Methane gas (CH4) comprises 7 x 10-5 % by mass of the Earth's atmosphere. What is the residence time of the gas in the atmosphere if it is being lost to the methane sinks at the rate of 4 x 1011 kg yr-1.

  Define the two chemical equations that show the titration

Write the two chemical equations that show the titration reactions of the carboxylic acid group and the amino group of glyclyglycine

  How many grams of hno3 must be dissolved

how many grams of HNO3 must be dissolved to make 25L of a solution that has a pH of 1.5

  State the geometric mean of the idea gas pressure

In the expression for f which you obtain, use a power series expansion of the exponential function

  Explain the oxidation of nitrogen monoxide from car exhaust

In the lower troposphere, ozone is one of the components of photochemical smog. It is generated in air when nitrogen dioxide, formed by the oxidation of nitrogen monoxide from car exhaust, reacts by the following mechanism.

  Explain the oxidation of cyclohexanol to cyclohexanone

Provide some diagnostically useful differences you would expect in the IR spectra between starting materials and product for the reaction you carried out (e.g. if I was asked this regarding the oxidation of cyclohexanol to cyclohexanone

  Explain number of electrons gained in cathode

MnO4-(aq) I-(aq)?Mn2 (aq) I2(s), the number of electrons gained in cathode is ( )

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!

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