Explain how to calculate h for the overall equation

Assignment Help Chemistry
Reference no: EM13298472

Using Hess's Law to Calculate an Unknown heat ^ H Nitrogen oxides undergo many interesting reactions in the environment and in industry. Given the following information, calculate H for the overall equation: 2 NO2(g) + 1/2 O2(g) N2O5(s). 4 NO(g) + 3 O2(g) 2 N2O5(s), H = -447.4 kJ 2 NO(g) + O2(g) 2 NO2(g), H = -114.2 kJ heat

Reference no: EM13298472

Questions Cloud

What is the speed of the entangled mass : An 1590 kg car stopped at a traffic light is struck from the rear by a 873 kg car and the two become entangled. what is the speed of the entangled mass after the collision
Explain what is h0f of c2h2(g) : Acetylene burns in air according to the following equation. C2H2(g) + 5/2 O2(g) 2 CO2(g) + H2O(g) H0rxn = -1255.8 kJ Given that H0f of CO2(g) = -393.5 kJ/mol and H0f of H2O(g) = -241.8 kJ/mol, what is H0f of C2H2(g)
Will you be able to pursue your dream : You are hoping that the annual income from the portfolio will be enough to cover your two years in film school at a cost of $41,000 per year. Will you be able to pursue your dream? If, one the other hand, you liquidated the portfolio, what is its ..
Small business idea that is different-interesting-unique : I need some help thinking of a small business idea that is different, interesting, unique, and creative. Something that may not exist yet or is rare to find. It is for a project for class...one person suggested a laundromat with a bar in it so you ha..
Explain how to calculate h for the overall equation : Using Hess's Law to Calculate an Unknown heat ^ H Nitrogen oxides undergo many interesting reactions in the environment and in industry. Given the following information, calculate H for the overall equation
Describe what is the natural water content of the clay : a 110 cubic centimeter volume of clay weighs 145 g in its undisturbed state. when the clay specimen is dried it weighs 110.5g. what is the natural water content of the clay, and what is the degree of saturation Assume Gs=2.70
What is the present value of the net cash flows : All net cash flows are received at year-end. What is the present value of the net cash flows from Phillip's operations?
Determine the change inside diameter when the gun is fired : a navel gun (E= 30,000 ksi and G = 11,600 ksi) with a bore of 16 in. develops a maximum internal pressure of 20,000 psi. Determine a. the minimum outside diameter required if the maximum tensile stress permitted in the gun barrel is 36,000 psi.
Explain the set of reactions : Calculate Hrxn for the reaction below. Ca(s) + 1/2 O2(g) + CO2(g) CaCO3(s) You are given the following set of reactions. Ca(s) + 1/2 O2(g) CaO(s) H = -635.1 kJ CaCO3(s) CaO(s) + CO2(g) H = 178.3 kJ kJ

Reviews

Write a Review

Chemistry Questions & Answers

  Define how many photons are required to heat coffee

Suppose that the microwave radiation has a wavelength of 10.8cm . How many photons are required to heat 295mL of coffee from 25.0 ^\circ \rm C to 62.0 ^\circ \rm C

  Calculate the concentration of solution saturated with pb

Calculate the concentration of IO3- in a 3.02 mM Pb(NO3)2 solution saturated with Pb(IO3)2. The Ksp of Pb(IO3)2 is 2.5 × 10-13. Assume that Pb(IO3)2 is a negligible source of Pb2 compared to Pb(NO3)

  How much heat is evolved per gram of fuel burned

3.8 g of a hydrocarbon fuel is burned in a calorimeter that contains 234 grams of water initially at 25.00 ?C. After the combustion,the temperature is 26.55 ?C.

  State geometric progression are alternately positive

The sum of the third and the fourth terms is 48. If the terms of the geometric progression are alternately positive and negative, then the first term is?

  Which component of the mixture is dissolved in the acetone

In the laboratory, a student named Georgia weighed 4.75 grams of an unknown solid mixture containing benzoic acid, copper (II) sulfate and sand. She added 15mL of acetone to her sample. Which component of the mixture is dissolved in the acetone?

  Explain is the photon in the visible region

An electron in the n2= 5 level of an H atom emits a photon of wavelength 1282.17 nm. To what energy does the electron move. Is the photon in the visible region.

  Explain the prediction of the value of the heat transfer

Considering the condensation of a vapour only on cold vertical tubes, what factors affect the prediction of the value of the heat transfer

  Compute the number of molecules inside the cell

Calculate the number of molecules inside the cell, which is 2.2 ?m long and 1.2 ?m in diameter.

  Explain how to make nacl from a stock solution

To make 1.50 L of 0.100 M NaCl from a 3.13 M stock solution,you would need to take ( blank) mL of the stock solution and add (blank) mL of water

  Calculate the volume of carbon dioxide

Calculate the volume of carbon dioxide formed at a pressure of 2.50 atm and a temperature of 1250C.

  Why is sulfuric acid used to catalyze

Why is sulfuric acid, rather than hydrochloric acid, used to catalyze the dehydration of alcohols?2. A sample of 150 mg of an organic compound is dissolved in 7.5 ml of water. The solution is paced in a 20-cm polarimeter tube and the rotation meas..

  Define the wavenumber of light associated with a transition

Consider the 1H19F molecule. The bond length of 1H19F is 91.7 pm. The wavenumber of light associated with a transition from the ground vibrational state to the first excited state is 1159.18 cm^-1.

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