Calculate the standard heat of reaction or for this, Ask an Expert

Academics

Consider the exothermic reaction 4NH3(g) + 5O2(g) -----> 4NO(g) + 6H2O(g) Calculate the standard heat of reaction, or , for this reaction using the given data. Also consider that the standard enthalpy of the formation of elements in their pure form is considered to be zero. Reactant or product NH3g) -45.9 kJ/mol NO(g) 91.3 kJ/mol H2O (g) -241.8 kJ/mol Express your answer to four significant figures and include the appropriate units.

View complete question

Chemistry, Academics

Category:- Chemistry
Reference No.:- M9439307

Have any Question?Write your Review or question?

Related Questions in Chemistry

What are the symbol and name of the element whose average

What are the symbol and name of the element whose average atoms have a mass very nearly half the mass of an average silicon atom?

Consider the following reactiona gnbspnbspb grarrc

Consider the following reaction. A (g) + B (g) → C (g) + D (g) *In one experiment the concentration of A (g) was monitored in the presence of a large excess of B (g) ( [B] o = 0.750 M ) . Time (s) [A] (mol/L) 0.00 6.00 ...

A 315-nbspsample ofnbspnh4no3nbspis introduced intoan

A 3.15- sample of NH4NO3 is introduced intoan evacuated 2.26- L flask and then heated to 245 C. What is the total gas pressure, in atmospheres, in the flask at245 C when the NH4NO3 has completely decomposed?

An 80-proof brandy is 400 vv ethyl alcohol the proof is

An 80-proof brandy is 40.0% (v/v) ethyl alcohol. The "proof" is twice the percent concentration of alcohol in the beverage. How many milliliters of alcohol are present in 750mL of brandy?

A sealed vessel contains a gaseous mixture of h2 and excess

A sealed vessel contains a gaseous mixture of H2 and excess O2. The mixture is at 500 K and has a total pressure of 140 kPa. After all of the hydrogen is reacted, the total pressure of the system measured at the same tem ...

A 43 kg person drinks 430 g of milk which has a caloric

A 43 kg person drinks 430 g of milk, which has a "caloric" value ofapproximately 3.0 kJ/g. If only 15% ofthe energy in milk is converted to mechanical work, how high (inmeters) can the person climb based on this energy i ...

With the provided indicated equilibrium constant is the

With the provided indicated equilibrium constant, Is the equilibrium mixture made up of predominately reactants, predominately products or significant amounts of both products and reactants? 2 O 3 (g) -------- 3 O 2 (g ...

A paint contains 1800 ppm lead approximately what mass of

A paint contains 180.0 ppm lead. Approximately what mass of lead will be in 1.00 cm ^3 of this paint when 1.00 gal is uniformly applied to 445.0 ft 2 of a wall. The density of the paint is 8.00 lb/gal.

Question 1bonding energyi draw an energy level diagram for

Question 1: Bonding Energy i. Draw an energy level diagram for a single Na ion and Cl ion. ii. Explain what is happening to the energy level between these two ions in terms of the Potential Energy. iii. Which process uti ...

What is the balanced equation what is the calculation of

What is the balanced equation? What is the calculation of the number of moles and grams of Al2(SO4)3 formed from 15.3 grams of H2SO4. Answering to 3 significant figures. Al(OH)3 + H2SO4 → Al2(SO4)3 + H2O

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Chemistry Expert