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lesya692 [45]
3 years ago
13

how many moles of carbon dioxide (CO2) are produced when reacting 6.00 moles of butane (C4H10) in excess oxygen (O2)?

Chemistry
2 answers:
sergeinik [125]3 years ago
8 0
Balance the equation first:

1C4H10 + 13O2 ----> 8CO2 + 10H2O

As we know oxygen is in excess, butane is the limiting reactant.
the ratio between butane and CO2 is 1-8
Therfore
1:8
6:x
x=48
48 moles of CO2 will be produced
Black_prince [1.1K]3 years ago
4 0

Answer: 24 moles

Explanation:

Combustion is a type of chemical reaction in which hydrocarbon is oxidized to carbon dioxide and water.

The balanced chemical reaction for combustion of butane is :

2C_4H_{10}+13O_2\rightarrow 8CO_2+10H_2O

According to stoichiometry,

Given: Oxygen is the excess reagent. Thus butane is the limiting reagent as it limits the formation of product.

2 moles of butane gives 8 moles of carbon dioxide.

Thus 6 moles of butane will give=\frac{8}{2}\times 6=24moles of carbon dioxide.

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Pls help! 2CO + O2 → 2CO2
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The bond energy of each carbon-oxygen bond in carbon dioxide is d. 736 kJ

Since the chemical reaction is 2CO + O₂ → 2CO₂ and the total bond energy of the products carbon dioxide CO₂ is 1,472 kJ.

Since from the chemical reaction, we have 2 moles of CO₂ which gives 1,472 kJ and there are two carbon-oxygen, C-O bonds in CO₂, then

2 × C-O bond = 1,472 kJ

1 C-O bond = 1.472 kJ/2

C-O bond = 736 kJ

So, the bond energy of each carbon-oxygen bond in carbon dioxide is d. 736 kJ

Learn more about bond energy here:

brainly.com/question/21670527

7 0
2 years ago
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Bess [88]
Answer: A solution will be hypertonic to a cell if its solute concentration is higher than that inside the cell, and the solutes cannot cross the membrane. If a cell is placed in a hypotonic solution, there will be a net flow of water into the cell, and the cell will gain volume.

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2 years ago
How much energy is required to heat a frozen can of juice (360 grams- mostly water) from 0 degrees Celsius ( the temperature of
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Answer:

1,100,160J or 262.94 kcal

Explanation:

The juice is frozen at 0 degrees Celsius and I assume that it will become gas at 100 degrees Celsius. So we change the form of the water from solid to liquid, then to gas. That means we have to find out how much heat needed to change water form too, not only the heat needed to increase its temperature.

The latent heat of water is 4.2J/g °C while the heat of fusion is 334 J/g and the heat of vaporization is 2260 J/g. The energy needed will be:

360g * 4.2J/g °C * (110-0°C ) + 360g * 334 J/g + 360g * 2260 /g = 1,100,160J or 262.94 kcal.

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3 years ago
What Can bond together to form an ionic bond?
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Answer:

An ionic bond forms between two ions of opposite charges. In ionic bonding, electrons transfer from one atom to another. The elements take on either a negative or positive charge. Ions are another name for charged atoms. Some elements are electropositive, and some are electronegative.

Hope this helps!

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3 years ago
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