How much heat is released

Assignment Help Chemistry
Reference no: EM13133534

B2H6 + 3O2= B2O3+3H2O ; delta H=-2035 KJ how much heat is released when a mixture of 7.35 g B2H6 and 2.60 g O2 is burned?

Reference no: EM13133534

Questions Cloud

Find nonconforming parts are produced during one-hour period : What is the probability that exactly 5 nonconforming parts are produced during a 1-hour period? What is the probability that at least 5 nonconforming parts are produced during a 1-hour period?
What is the ph : What is the pH when 100 mL of 0.1 M HCl is titrated with 50 mL of 0.2 M NaOH?
Compute depreciation expense on the machinery : Prepare the journal entry necessary to record the depreciation expense on the building in 2011. Compute depreciation expense on the machinery for 2011.
What is the amount of interest revenue recognized by seller : on june 8, alton co. issued an 80,000, 6%, 120 day note payable to seller co. assume that the fiscal year seller co ends june 30. using the 360 day year in your calculations, what is the amount of interest revenue recognized by seller in following..
How much heat is released : B2H6 + 3O2= B2O3+3H2O ; delta H=-2035 KJ how much heat is released when a mixture of 7.35 g B2H6 and 2.60 g O2 is burned?
What is their taxable income : They have charitable contributions of $2,500; deductible taxes of $4,000 and deductible mortgage interest of $7,000. They have 4 dependents. What is their taxable income?
Calculate ilex corporation tax liability : For its 2010 tax year, Ilex Corporation has ordinary income of $240,000, a short-term capital loss of $60,000, and a long-term capital gain of $20,000. Calculate Ilex Corporation's tax liability for 2010.
Find the density and median : Find the density for Z = X + Y. Verify that it integrates to 1. Find the median (the value of z for which P(Z =
Descriptions of the cost accounting system : Descriptions of how your organization uses the accounting information for financial management improvement recommendations for you.

Reviews

Write a Review

Chemistry Questions & Answers

  How many moles of hydrogen are present

The % mass composition of 0.1458g sample of a compound was measured by burning the compound in an excess of oxygen.

  What volume will it fill

A gas occupies 4.04 L at 860 torr and 10C. What volume will it fill if the pressure is changed to 731 torr and the temperature is raised to 43 0C?

  How many kilojoules of energy are needed

how many kilojoules of energy are needed to convert 100 g ice at 10.0C to water at 20.0C? (the specific heat of ice at 10C is 2.01)

  What is the mass percentage of the table salt in the mixture

Table salt (NaCl) and sugar (C12H22O11) are accidentally mixed A 5.00g sample is burned and 2.20-g of CO2 are produced. What is the mass percentage of the table salt in the mixture.

  Explain geometric isomers illustration

Geometric isomers illustration, This is more of a theoretical question I think. Co(NH3)5ClBr has two compounds for that one formula.

  What was the final temperature

A 4.10 g nugget of pure gold absorbed 287 J of heat. The initial temperature was 24.0°C. What was the final temperature?

  What was the final temperature

A 4.70 g nugget of pure gold absorbed 260 J of heat. The initial temperature was 28.0°C. What was the final temperature.

  Amides undergo hydrolysis to carboxylic acids

Amides undergo hydrolysis to carboxylic acids on treatment with alkali. Diagram a suitable mechanism for the conversion of benzamide to benzoic acid

  What is the concentration of ethanol

A solution is made by mixing 506 mL of water and 198 mL ethanol. What is the concentration of ethanol in units of volume/volume percent.

  What mass of sucrose should be combined

What mass of sucrose should be combined with 455 g of water to make a solution with an osmotic pressure of 8.75 atm at 320 K?

  Determine the density of solid krypton

Krypton crystallizes as a fcc (face centered cubic unit cell) having an edge length of 559 pm. What is the density of solid Krypton?

  What is the distribution coefficient

What is the compounds molar mass if the density of a gaseous compound of phosphorous is 0.943g/L at 474K when its pressure is 728 torr.?

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