Explain what is the empirical and molecular formular

Assignment Help Chemistry
Reference no: EM13549850

A 247.7mg sample of an unknown substance was submitted for combustion analysis. The sample yielded 632.64 mg of Carbon dioxide and 259.04mg of water. 1) What is the empirical and molecular formular of this unknown substance?

Reference no: EM13549850

Questions Cloud

Obtain what is the height of the tower : A visitor to a lighthouse wishes to determine the height of the tower. What is the height of the tower
Estimate how much work is done in pulling the bow : An archer pulls her bow string back 0.380 m by exerting a force that increases uniformly from zero to 219 N. How much work is done in pulling the bow
How to calculate its diameter in cm : A particular ball bearing has a mass of 85.0 grams. Calculate its diameter in cm. The density of this type of steel is 7.78 g/cm3
Two steel wires are stretched with the same tension : Two steel wires are stretched with the same tension. the first wire has a diameter of 0.610mm and the second wire has a diameter of 0.910mm. If the speed of waves travelling a long the first wire is 54.0m/s what is the speed of waves traveling a long..
Explain what is the empirical and molecular formular : A 247.7mg sample of an unknown substance was submitted for combustion analysis. The sample yielded 632.64 mg of Carbon dioxide and 259.04mg of water. 1) What is the empirical and molecular formular of this unknown substance
Estimate the wavelength of the sound you hear : In this section assume the sound speed in air is 343 . A goose flying toward you at 12.4 emits a squawk, which you hear at 251. Find the wavelength of the sound you hear
How much weight does the other end bear : In the figure below a crowbar is used to lift a weight. If a down ward force of 228 N is applied to the end of the bar, how much weight does the other end bear? The crowbar itself has negligible weight. (Let r1 = 29.0 cm and r2 = 4.70 cm.)
Define the molecular weight of zinc carbonate hydroxide : Zinc carbonate hydroxide contains 59.55% zinc by mass. Calculate the molecular weight (molar mass) of zinc carbonate hydroxide (there are 5 unites of zinc in every unit of zinc carbonate hydroxide
What is approximate coefficient of restitution for collision : A bullet with a mas of 10 g and an initial velocity of 800m/s penetrates 5 cm into a fixed block of wood before stopping. The average force on the buller by the wood is? A block of mass 4.25 kg hanging from a light string is struck by a projectile of..

Reviews

Write a Review

Chemistry Questions & Answers

  Steps in the mechanism for the following reaction

Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..

  Prior to placing piece of metal into the graduated cylinder

This assignment inhibits chemistry Laboratory Questions.

  Write the structures of the saytzeff elimination

Write the structures of the saytzeff elimination

  Calculate ph - chemistry questions

Chemistry Questions on Calculate P H

  How many mols of hydrogen can produce

how many mols of H 2 can produce

  Analysis of corrosion mechanisms

Analysis of corrosion mechanisms and preventative measures

  Chemical and pharmaceutical science

Write an equation for the formation of an acetal from reaction of excess methanol with benzaldehyde in the presence of an acid catalyst.

  Calculate the approximate sulphur

Calculate the approximate SO 2 mass emission in lb/day.

  What is the structure - stereochemistry

What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?

  Design a qualitative analysis scheme

Design a qualitative analysis scheme

  What will be the resultant pressure

What will be the resultant pressure when the stopcock is opened?

  The 1h nmr spectrum

Integrals for some of the resonances in the 1H NMR spectrum are higher than they should be due to the shear number of hydrogens in this compound

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