Explain the heat of solution of libr

Assignment Help Chemistry
Reference no: EM13490361

The heat of solution of LiBr is -48.8kJ/mol. if 4.82 g of LiBr is dissolved in 100.0 g of water in a calorimeeter at 19.8 C, what temperature will be reached? Neglect the heat capacity of the calorimeter and the contribution of the LiBr to the mass and specific heat of the water.

Reference no: EM13490361

Questions Cloud

How large was the mass : In 1994, Mata Jagdamba of India had very long hair. It was 4.23 m long. Suppose Mata conducted experiments with her hair. how large was the mass
What is the lemurs tangential speed at that point : With an average mass of only 30.0 g, the ouse lemur of Madagascar is the smallest primate on the earth. What is the lemur's tangential speed at that point
State how many kilojoules are released when butane are burne : for the reaction 2CH3CH2CH2CH3(g) + 13O2 --> 9CO2(g) +10H2O(g) delta h = -5285.0 kJ. a) how many kilojoules are released when 27.86 g of butane are burne? Assume that an excess of oxygen is present.
Calculate james sharpes taxable income : Calculate James Sharpes taxable income for the February 2007 year of assessment and calculate the taxable income of the trust for the February 2007 year of assessment.
Explain the heat of solution of libr : The heat of solution of LiBr is -48.8kJ/mol. if 4.82 g of LiBr is dissolved in 100.0 g of water in a calorimeeter at 19.8 C, what temperature will be reached? Neglect the heat capacity of the calorimeter and the contribution of the LiBr to the mas..
Evaluate the ph of the acid solution : Consider the titration of a 25.0 mL sample of 0.100 M acetic acid using 0.100 M NaOH as the titrant. The value of the equilibrium constant for HC2H3O is Ka= 1.8 x10^ -5. Calculate the pH of the acid solution before any NaOH has been added.
What is the tangential speed of that part of the shell : An ostrich lays the largest bird egg. A typical diameter for an ostrich egg at its widest part is 12 cm. What is the tangential speed of that part of the shell
Explain water reached the same temperature : If you drop 25.0 g of warm iron nails (initial temp = 65.4C) into a beaker that contains 100.0 g water at 20.0 C what will the temperature be when the nails and water reached the same temperature
What would the tangential speed of those points be : In 1994, Susan Williams of California blew a bubble-gum bubble with a diameter of 58.4 cm. what would the tangential speed of those points be

Reviews

Write a Review

Chemistry Questions & Answers

  Explain what mass of potassium chromate is needed to add

What mass of potassium chromate is needed to add to exactly 500g of water to produce a solution with vapor pressure of 21.50 torr at 24 C

  Explain cool to the final temp at constant volume

Cool to the final temp at constant volume and then expand to the final pressure at constant temperature. Calculate the work done for each path.

  Explain how many liters of oxygen gas can be produced at stp

how many liters of oxygen gas can be produced at STP from the decomposition of 0.250L of 3.00M H2O2 in the reaction according to the chemical reaction shown below 2H2O2(l) ====> 2H2O (l) + O2(g)

  How many moles of oh- are present

0.2 M HCl is used to neutralize 20 mL of 0.35 M NaOH. a. How many moles of OH- are present?

  Define the order of elution observe while gas chromatography

Explain the order of elution you would observe while performing gas chromatography during an elimination/dehydration process on 2-butanol. What property of the product molecules seems to be the most important in determining the relative retention ..

  Acetylene gas c2hs is produced as a result of the reaction

acetylene gas c2hs is produced as a result of the reaction cac2s2h2ol-gt c2h2gcaoh2aq. if 27g of cac2 are consumed in

  A palladium crystallizes in a face-centered cubit unit cell

Palladium crystallizes in a face-centered cubit unit cell. Its density is 12.0 g/cm^3 at 27 degress C. Calculate the atomic radius of Pd.

  How large in kg an oxygen candle kclo3 would be needed to

how large in kg an oxygen candle kclo3 would be needed to supply 8 people with enough oxygen for 24 hours on a small

  State what proportion of benzoic of benzoic

What proportion of benzoic of benzoic should be used with an equimolar mixture of adipic acid and hexamethylene diamine to produce a polymer of 10,000 molecular weigh at 99.5% conversion?

  Compute the mass of sulfuric acid

From the composition of lignite coal, calculate the mass of sulfuric acid that could potentially form as acid rain from burning

  Define van der waals constants

Van der Waals constants can be found here. P= ? atm Use the ideal gas equation to calculate the pressure under the same conditions. P= ? atm

  State the molecular formula of diazomethane

Diazomethane has the following composition by mass: 28.57% C, 4.80% H, and 66.64% N. The molar mass of diazomethane is 42.04 g/mol. Find the molecular formula of diazomethane and draw its Lewis structure.

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