Explain heat is released at constant pressure

Assignment Help Chemistry
Reference no: EM13331266

When 49.4 mL of 0.721 M lead(II) nitrate reacts with 99.6 mL of 0.807 M sodium chloride, 0.830 kJ of heat is released at constant pressure. What is DH° for this reaction?

Reference no: EM13331266

Questions Cloud

State the mechanism for the reaction : Treatment of 1-butanol with phosphoric acid (H3PO4) mixed with sodium chloride should result in the formation of 1-chlorobutane. write the mechanism for this reaction.
What will happen to the amount of crime : The demand for illegal drugs is inelastic. Much of the expenditure on illegal drugs comes from crime. Assuming these statements to be correct, What will happen to the amount of crime?
Find financial statements for any for profit : Find financial statements for any "for profit" company in the computer hardware industry - Complete a ratio analysis for that company's last year's financial data
How will a successful campaign that decreases the supply of : How will a successful campaign that decreases the supply of drugs influence the price of drugs and the amount spent on them?
Explain heat is released at constant pressure : When 49.4 mL of 0.721 M lead(II) nitrate reacts with 99.6 mL of 0.807 M sodium chloride, 0.830 kJ of heat is released at constant pressure. What is DH° for this reaction
Determine the cars speed at the bottom of the dip : The weight of passengers on a roller coaster increases by 53% as the car goes through a dip with a 35m radius of curvature
Explain the pressure in a 1.00 liter container of methane : What is the pressure in a 1.00 Liter container of methane, CH4, that contains 40.0g of the gas at 25.0 degrees Celcius
What are the optimal units of labor : A firm produces according to the following production function: Q=k^.5L^.5 where q= units of output, k= units of capital, and L= units of labor. suppose that in the short run k=100. moreover, wage of labor is w=5 and price of the product is p=10. wha..
Assume that the consumer has $10 to spend on a and b : Advanced MUa = z=10-x and MUb = z = 21 - 2y, where z in marginal utility per dollar in the amount spent on product A, and y is the amount spent on product B.

Reviews

Write a Review

Chemistry Questions & Answers

  Explain what is the difference the virial equation

What is the difference between the virial equation of state and the SRK equation of state? When would you use one versus

  State the ph of the solution created by combining

What is the pH of the solution created by combining 2.00 mL of the 0.10 M base with 8.00 mL of the 0.10 M acid

  What mass of this substance must evaporate

What mass of this substance must evaporate in order to freeze 150g of water initially at 15C? (The heat of fusion of water is 334J/g the specific heat of water is 4.18J/g*K.)

  Explain forensic scientists in analyzing crime scenes

The chemical 5-amino-2,3-dihydro-1,4-phthalazinedione, better known as luminol, is used by forensic scientists in analyzing crime scenes for the presence of washed-away blood.

  Compute the value of absolute zero

A student has invented a new temperature scale, the Zuban scale ,In common with the Celsius, Kelvin and Fahrenheit scales, it is a linear scale.

  Explain what is the mass fraction of gas

The Al2O3 does not react. If the sample residue weighs 2.456 g, what is the mass fraction of Fe2O3 in the original sample?

  Explain the temperature of the sample after heating

The root-mean-square (rms) speed of a sample of molecules was found to be 1.8 x 10^3 m s at 25C. After heating, the rms speed was found to be 4.6 x 10^3 m s. What was the temperature of the sample after heating

  Explain the half-life depends on the rate constant

For a first-order reaction, the half-life is constant. It depends only on the rate constant and not on the reactant concentration. It is expressed as: t1/2 0.693/k. For a second order reation, the half-life depends on the rate constant and the con..

  Evaluate the equilibrium constant for the reaction at 25 °c

A reaction has a standard free-energy change of -12.30 kJ mol-1 (-2.940 kcal mol-1). Calculate the equilibrium constant for the reaction at 25 °C.

  State the equation for the reaction

a small amount do aqueous ammonia is added to a Cd^2+ solution and a precipitate forms. Write the equation for this reaction.

  Explain the leather industry and din etching copper

Picric acid has been used in the leather industry and din etching copper. However, its laboratory use has been restricted bycause it dehydrates on standing and can become shock sensitive. It has an acid dissociation constant of .42. What is the [H..

  Explain alkali metals and the ammonium ion are soluble

Which of the following species will always be a spectator ion in a precipitation reaction. Cl-, NO3-, Br-, NH4+, S2-, SO42-, K+ Is it K+ and NH4+, because they alkali metals and the ammonium ion are soluble in water

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