Explain what are the oxidation number of the central atom

Assignment Help Chemistry
Reference no: EM13516990

What are the oxidation number of the central atom of the following species? Please explain how to do this.

HCHO

CaH2

HNO3

P4

Reference no: EM13516990

Questions Cloud

How to calculate the mass of water in the calorimeter : The final temp of the water is 27.1 degrees celcius. Calculate the mass of water in the calorimeter.
A helium gas at constant compute the work done by the gas : Helium gas at constant pressure of 7.4 atm, expands in volume from 21.3 L to 79.2 L. The temperature is held at 278 K. Calculate the work done by the gas
Prepare the required journal entry based upon the cash count : Prepare the required journal entry based upon the cash count sheet.
Compute the ending inventory at may 31 : Compute the ending inventory at May 31 and cost of goods sold using the FIFO and LIFO methods. Prove the amount allocated to cost of goods sold under each method.
Explain what are the oxidation number of the central atom : What are the oxidation number of the central atom of the following species. Please explain how to do this.
Compute realized gross profit - using cost-recovery method : Compute the amount of realized gross profit to be recognized on the 2008 income statement, prepared using the installment-sales method.
Evaluate how many grams of the first reactant are necessary : For the following precipitation reactions, calculate how many grams of the first reactant are necessary to completely react with 54.0 grams of the second reactant.
Explain the phosphate ion forms insoluble precipitates : Hard water often contains dissolved Ca2+ and Mg2+ ions. One way to soften water is to add phosphates. The phosphate ion forms insoluble precipitates with calcium and magnesium ions
Estimate the frequency of the photon : A hydrogen atom initially in the ground state absorbs a photon, which excites it to the = 4.00 state, estimate the frequency of the photon

Reviews

Write a Review

Chemistry Questions & Answers

  Explain aliquot of a weak base is titrated with hcl

A 10.00mL aliquot of a weak base is titrated with HCL. The equivalence point is reached after 17.21mL of 0.4332 mol/L HCL has been added. The pH is equal to 10.03 after 5.00mL of HCL was added. Determine

  How many magnesiun atoms are in three moles of mg

How many magnesiun atoms are in 3 moles of Mg3(PO4)2? 2) A substance, NxOy has the composition by mass 69.57% O. Calculate the molecular formula of this substance if its molecular mass is 92 grams.

  Explain the initial concentration of a sodium chloride

What is the initial concentration (in M) when 17.6 mL of a sodium chloride solution was diluted with 19.4 mL of solvent to a final concentration of 0.708 M? Assume the volumes are additive.

  The hypothetical element consists of two isotopes of masses

A hypothetical element consists of two isotopes of masses 86.95 amu and 88.95 amu with abundances of 35.5% and 64.5%, respectively. What is the average atomic mass of this element?

  How to construct a microstate table

Construct a microstate table for a np3. I know that the # of microstates is going to be 6!/(3!(3!))= 20 microstates. really sure how to go about setting up a microstate table, could someone please explain

  Explain density of liquid water at room temperature

Find vapor pressure and density of liquid water at room temperature; state your source. Calculate the new vapor pressure of water at the same temperature when 740 torr of dry

  Calculate the apparent degree of dissociation of the nh4cl

calculate the apparent degree of dissociation of the nh4cl if the freezing point of this solution is -15.3oc?molal

  State sodium hydroxide naoh pellets

sodium hydroxide (NaOH) pellets are dissolved in water to make 8.0 L of solution. What is the pH of this solution?

  Explain what is the br- concentration

How many milliliters of a 235 mL solution of 1.5 M AlCl3 must be used to make 61 mL of a solution that has a concentration of 0.5 M Al3+?

  Explain afford a spontaneous electrochemical reaction

The two electrodes Cr/Cr+3 and Sn/Sn+2 are combined to afford a spontaneous electrochemical reaction. The standard reduction potentials (volts) for Cr+3 and Sn+2 are -0.74 and -0.14, respectively. Calculate E° for this reaction.

  Explain important to dry the hexane extract phase

important to dry the hexane extract phase containing the yellow and green pigment prior to performing column chromatography.

  Calculate the minimum concentration of silver ion

A solution contains 1.0 x 10-5 M Na3PO4. Calculate the minimum concentration of Ag+ that would cause precipitation of solid Ag3PO4.

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