The standard enthalpy of formation of carbon monoxide is, Ask an Expert

Academics

Syngas is a mixture of carbon monoxide and hydrogen formed by the reaction of water vapor with methane. This reaction is endothermic by 206.13 kJ/mol. The combustion of methane to frm carbon dioxide and water vapor is exothermic by 802.35 kJ/mol. Which of the following statements about the combusion of syngas must be true?

A) The standard enthalpy of formation of carbon monoxide is more esothermic than the sum of the standard enthalpies of formation of methane and water.

B) The combustion of syngas is endothermic.

C) The enthalpy of combustion of methane is postive.

D) The combustion of syngas is more exothermic than that of methane.

E) The standard enthalpy of formation of syngas is positive

View complete question

Chemistry, Academics

Category:- Chemistry
Reference No.:- M9482745

Have any Question?Write your Review or question?

Related Questions in Chemistry

A hydrogen atom emits a photon as its electron changes from

A hydrogen atom emits a photon as its electron changes from n = 5 to n = 2. For the H atom, E n = -2.18E-18*(1/n 2 ) J. What is the wavelength (in m) of the photon? ( ) m The number of significant digits is set to 3; t ...

An 18g ice cube initially at -10c is dropped into 120 g of

An 18g ice cube initially at -10C is dropped into 120 g of water initially at 25C. What is the final temperature of the system after all of the ice has melted? Use the data provided in the reference data sheet and assume ...

2k3po4aq3mgcl2aq rarr mg3po42s6kclaqthe molecular equation

2K3PO4(aq)+3MgCl2(aq) → Mg3(PO4)2(s)+6KCl(aq) The molecular equation you determined in Part B is shown above for your convenience. Examine each of the chemical species involved to determine the ions that would be present ...

What is the molarity of a solution made by dissolving 200 g

What is the molarity of a solution made by dissolving 20.0 g of CrCl2 in 0.150 L of solution?

If you carry out the reaction between table salt nacl and

If you carry out the reaction between table salt (NaCl) and copper(II) sulfate (CuSO4) in 100.0 mL of water, the salt copper(II) sulfate will behave similarly to the salts given in the tab named Slightly Soluble Salts. E ...

1 consider the reaction when aqueous solutions

1. Consider the reaction when aqueous solutions of nickel(II) bromide and sodium carbonate are combined. The net ionic equation for this reaction is: 2. Net ionic equation for the reaction that occurs when aqueous so ...

The density of air at stp is 129gl if your stoppered

The density of air at STP is 1.29g/L. If your stoppered the250mL flask contains 242mL of water(also the volume of air it would contain), calculate the mass of air in the flask under STP.

N2o5 decomposes following first order kinetics if 75 of the

N2O5 decomposes following first order kinetics. If 75% of the original sample of N2O5 has decomposed after 2240 minutes, what is the value of k, the rate constant, at this temperature(in min-1)?

Consider reacting 10000 mg magnesium with 20 ml of 1 m

Consider reacting 100.00 mg magnesium with 20 mL of 1 M hydrochloric acid. Which reactant is limiting reagent? What is theoretical yield of hydrogen? express your answer in millimoles.

A decompression chamber used by deep-sea dives has a volume

A decompression chamber used by deep-sea dives has a volume of 10.3 m 3 and operates at an internal pressure of4.5atm. What volume, in m 3 would the air in the chamber occupy if it were at 1 atm pressure, assuming no t ...

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