User Account

All Pages

Calculstion question, Chemistry

Assignment Help:
Nitrous acid (HNO2) is an unstable compound when prepared by the following reaction:
HCl (g) + NaNO2 (s) ? HNO2 (l) + NaCl (s).

As the product of the above reaction is unstable, the enthalpy cannot be determined directly in the laboratory. Use Hess’s law to determine the enthalpy of the above reaction using the information below.

2 NaCl (s) + H2O (l) ? 2 HCl (g) + Na2O (s) ? Ho = 506.89 kJ

NO (g) + NO2 (g) + Na2O (s) ? 2 NaNO2 (s) ? Ho = -427.17 kJ

NO (g) + NO2 (g) ? N2O (g) + O2 (g) ? Ho = -42.89 kJ

2 HNO2 (l) ? N2O (g) + O2 (g) + H2O (l) ? Ho = 33.07 kJ

Quote your answer to one decimal place.

Related Discussions:- Calculstion question

Radiometric titration .., how to titrate using Tc-99

how to titrate using Tc-99

What are the lattice vacancies, What are the lattice vacancies The latt...

What are the lattice vacancies The lattice vacancies are a stable feature of metals at all temperatures above absolute zero. By successive jumps of atoms, just like playing Chi

Inorganic chemistry, uses of laboratory apparatus

uses of laboratory apparatus

Addition polymerization, Addition polymerization: It involves following th...

Addition polymerization: It involves following three mechanisms: 1.                 Free radical polymerization 2.                 Ionic polymerization mechanism 3.

Lab, need help answering questions for the lab

need help answering questions for the lab

Describe about oxides, Q. Describe about Oxides? As said before, oxygen...

Q. Describe about Oxides? As said before, oxygen reacts practically with all the elements in the periodic table, except Lighter noble gases, to form binary compounds called oxi

Pollution, explain how adsorption as a method of water treatment

explain how adsorption as a method of water treatment

Atoms, how to find atomicity of an element

how to find atomicity of an element

#titlehybridization.., questions related to hybridization of ccompounds

questions related to hybridization of ccompounds

For p-orbital, For p-orbital, the magnetic quantum number has value: (1...

For p-orbital, the magnetic quantum number has value: (1) 2        (2) 4, - 4          (3) - 1, 0, +1              (4) 0 Ans: - 1, 0, +1

Write Your Message!

Captcha
Order Assignment

Featured Services

Order Now

Popular Subjects

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd