Explain a compound is heated to produce gas

Assignment Help Chemistry
Reference no: EM13130349

3 organic chemistry problems

1) which the following reactions does not proceed significantly to the right in aqueous solutions?

a) Hsub3O^+ + OH^- --> 2Hsub2O
b) HCN + OH^- ---> Hsub2O + CN^-
c) Cu(Hsub2O)sub 4^2+ + 4 NHsub3 ---> Cu(NHsub3)sub4^2+ + 4Hsub2O
d) Hsub2SOsub4 + Hsub2O ---> Hsub3O^+ + HSOsub4^-
e) Hsub2O + HSOsub4^- ---> Hsub2SOsub4 + OH^-

2) A compound is heated to produce gas whose molecular mass is to be determined. The gas is collected by displacing water in a water filled flask inverted in a trough of water. which of the following is necessary to calculate the molecular mass of the gas, but does not need to be measured during the experiment

a) mass of the compound used in the experiment
b) temperature of the water in the trough
c) vapor pressure of the water
d) Barometric pressure
e) volume of water displaced from the flux

3) A 27 g sample of an unknown hydrocarbon was burned in excess oxygen to form 88.0 grams of carbon dioxide and 27 g of water. What is a possible molecular formula of the hydrocarbon.

a) CHsub4
b) Csub2Hsub2
c) Csub4Hsub3
d) Csub4Hsub6
e) Csub4Hsub10

Reference no: EM13130349

Questions Cloud

What is final pressure : a 4 liter flask contains nitrogen gas at 25C and 1 atm. what is final pressure if 2 g of N2 gas are added and flask is cooled to -55C?
Illustrate what is the nature of the book-tax difference : BTW Corporation has taxable income in the current year that can be offset with an NOL from a previous year. Illustrate what is the nature of the book-tax difference created by the net operating loss deduction in the current year?
Perform two-tailed hypothesis test on both legal service : Perform a two-tailed hypothesis test on both the legal services satisfaction and the sentence satisfaction variable's data using a .05 significance level.
What are your thoughts : what are your thoughts about this issue? Provide real world examples that you think demonstrate genetic and environmental influences on human behaviors.
Explain a compound is heated to produce gas : A compound is heated to produce gas whose molecular mass is to be determined. The gas is collected by displacing water in a water filled flask inverted in a trough of water
Evaluate the methodology for assessing the execution : evaluate the methodology for assessing the execution of a balanced scorecard system. Describe the techniques you would employ to determine the effectiveness of a balanced scorecard in your organization.
Determining percentage of women who have never married : Single women. The percentage of women in the 20-24 age group who have never married went from 55% in 1970 to 73% in 2000 (Census Bureau, www.census.gov). Let 1970 be year 0 and 2000 be year 30.
Taxpayer experiences a net loss from a rental home : What happens when a taxpayer experiences a net loss from a rental home?
Illustrate what is the nature of the book-tax difference : BTW Corporation has taxable income in the current year that can be offset with an NOL from a previous year. Illustrate what is the nature of the book-tax difference created by the net operating loss deduction in the current year?

Reviews

Write a Review

 

Chemistry Questions & Answers

  Calculate the volume of sodium hydroxide solution

Calculate the volume of 0.540 M sodium hydroxide solution contains 11.5 grams of sodium hydroxide?

  How much naoh is needed each day

NaOH + CO2 -> Na2CO3 + H2O. If the average human body discharges 745 g of CO2 per day, how much NaOH is needed each day for each person in the spacecraft.

  Calculate the percent of the acid

if the freezing point of a .106 m CH3COOH solution is -.348 degrees Celsius, calculate the percent of the acid that has undergone ionization?

  What is the final concentration

63.0 mL of a 1.20 M solution is diluted to a volume of 208 mL. A 104-mL portion of that solution is diluted using 157 mL of water. What is the final concentration.

  Determine the ph change

total molarity of acid and conjugate base in this buffer. A boy mixes 5.70mL of a 0.330M Hydrochloric acid  solution to the beaker. Determine the pH change if  The pKa of acetic acid = 4.760.

  How much energy in kilojoules is required

How much energy in kilojoules is required to convert 100 mL of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 g/mL.

  What is the volume in cubic centimeters

An 18-karat gold necklace is 75% gold by mass, 16% silver, and 9.0% copper. How many grams of copper are in the necklace? If 18-karat gold has a density of 15.5

  Explain the molecular formula of the unknown compound

A solution made by dissolving 1.20 g of the unknown compound in 25.0 g of benzene had a freezing point of 4.7 degrees Celsius

  Radioactive decay of cesium

Following a terrorist release of Cesium-137 (half-life of 30 years) in downtown, clean up efforts were successful in removing all but 100 curies. How long will it take for the contamination to decay to about 5 curies?

  How many iodide ions does it contain

An ionic compound forms when aluminum (Z = 13) reacts with iodine (Z = 53). If a sample of the compound contains 1.23 x 1019 aluminum ions.

  Question on nuclear chemistry

Identify the nuclide produced when americium-241 decays by alpha emission, 241 / 95 Am→ 4 / 2 He + ? Express your answer as an isotope using prescripts.

  Determine new ph of solution

How much 0.20mol/L sodium hydroxide should be combined to this buffer to raise the pH to 5.1? If the same amount of 0.20 mol/L sodium hydroxide were combined to 250mL of deionized H 2 O, Determine New pH?

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