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3 years ago

What are the products of the complete combustion of a hydrocarbon in excess oxygen

1 answer:

4 0

The products for the complete combustion of a hydrocarbon in excess air is carbon dioxide and water. Any hydrocarbon when reacted with oxygen will always yield the said products. Incomplete combustion, on the other hand, yields carbon monoxide and water.

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2 years ago

Please help me will mark brainliest

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Answer:

accretion

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2 years ago

Write the difference between compound and mixtures ?

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Answer:

The mixture contains two or more substances mixed, but neither chemically as well as not in inexact quantity while compound includes two or more elements combined chemically and in a fixed ratio. Pure substances are made up of elements and compounds

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3 years ago

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2 years ago

Many power plants produce energy by burning carbon-based fuels, which also produces carbon dioxide. Carbon dioxide is a greenhou

Arturiano [62]

Answer:

2.54 mol CO2

Explanation:

To calculate the mol of carbon dioxide that will be generated by megajoule (MJ). First, we have to find the value of the formation enthalpy for the CO2 at standard conditions.

Remember that standard conditions are at 25°C and 1 atm.

Any physic chemistry book has the table of ΔHf°, I always use one name Levine's physic chemistry. You can trust its data.

Enthalpy of formation for CO2: -393.509 kJ/mol

As you can see this value means that for each 393.509 kJ liberate (that's indicated for the menus sing), 1 mol of CO2 is formed.

Let's write this using mathematic language:

393.509 kJ/ 1 mol CO2

The problem asks you to find how many mols are produced by 1 megajoule liberate, let's change megajoule to kilojoule.

1 megajoule (MJ) = 1000 kJ

1000 kJ x (1mol/ 393.509 kJ) = 2.54 mol CO2

Remember don't use the negative value to make the calculus. The negative value just indicates that the heat is been released.

If you want to watch the mathematics details, go to the image attached.

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2 years ago