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

  What mass (in kg) of rain falls on the lawn

If a raindrop weighs 65 mg on average and 5.1 105 raindrops fall on a lawn every minute, what mass (in kg) of rain falls on the lawn in 1.5 h?

  Compute the average mass of captodiamine

How does C 10 H 12 O 2 eugenol combine with Br bromine in CCl 4 carbon tetrachloride and concentrated H 2 SOP 4 at  the temperature of 20 degrees Celsius?

  Determine the delta g standard state

Determine the delta G standard state at 298 K from the following standard state values at T= 298, Determine the delta G standard state at 1000K. assume delta H is independent of temperature

  Calculate the percent of the acid

if the freezing point of a 0.107 m CH3COOH solution is -0.200°C, calculate the percent of the acid that has undergone ionization.

  How much energy would you need

Suppose you wanted to heat a mug of 250. mL water from room temperature, 25°C, to 100°C to make a cup of tea. How much energy (in joules and in calories) would you need from your microwave.

  Calculate the root mean square speed

Calculate the Root Mean Square Speed and its average kinetic energy per molecule of Nitrogen and water vapor

  What is the weight percent of na2co3 in the original sample

An impure sample of sodium carbonate, (Na2CO3) is allowed to react by dissolving it in an aqueous solution of 0.134 M HCl, according to the following reaction:

  What is the empirical formula of the unknown compound

An unknown compound contains carbon, hydrogen, oxygen, and sulfur atoms. When a 10.00 mg sample of the unknown compound was combusted, it produced 16.27 mg of CO2, 5.55 mg of water, and 7.90 mg of SO2.

  Calculate the change in ph

The ph of 0.40 M HF(aq) is 1.93. Calculate the change in ph when 0.356 g of sodium fluoride is added to 50.0 ml of the solution .

  Explain ph of acetylsalicylic acid

PH of Acetylsalicylic Acid, The active ingredient in aspirin is acetylsalicylic acid (HC9H7O4), a monoprotic acid with a Ka = 3.3x10-4

  Determine concentration of sodium hydroxide solution

Determine the concentration of the sodium hydroxide solution? Considering this  balanced equation given as :

  What is the chemical formula for this compound

Fumaric acid, which occurs in many plants, contains 41.4% C, 3.47% H, and 55.1% O by mass. A 0.5 mol sample of this compound has a mass of 58.0 g.

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