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Andre45 [30]
3 years ago
9

Combustion of 8.9541 grams of C4H10 will yield (Example answer: 2.345) Do not enter units. grams of CO2. (Assume 100% yield)

Chemistry
1 answer:
melamori03 [73]3 years ago
8 0

<u>Answer:</u> The mass of carbon dioxide produced is 27.1 grams.

<u>Explanation:</u>

Combustion reaction is defined as the reaction in which a hydrocarbon reacts with oxygen gas to produce carbon dioxide gas and water molecule.

To calculate the number of moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}      .....(1)

Given mass of butane = 8.9541 g

Molar mass of butane = 58.12 g/mol

Putting values in equation 1, we get:

\text{Moles of butane}=\frac{8.9541g}{58.12g/mol}=0.154mol

The chemical equation for the combustion of butane follows:

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

By Stoichiometry of the reaction:

2 moles of butane produces 8 moles of carbon dioxide

So, 0.154 moles of butane will produce = \frac{8}{2}\times 0.154=0.616mol of carbon dioxide

Now, calculating the mass of carbon dioxide by using equation 1, we get:

Moles of carbon dioxide = 0.616 moles

Mass of carbon dioxide = 44 g/mol

Putting values in equation 1, we get:

0.616mol=\frac{\text{Mass of carbon dioxide}}{44g/mol}\\\\\text{Mass of carbon dioxide}=27.1g

Hence, the mass of carbon dioxide produced is 27.1 grams.

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How many moles of water are formed when 22 mol of methane combusts?
icang [17]
Methane is a hydrocarbon which when burns in air (combustion) produces carbon dioxide and water. The equation for the reaction;
CH4 +2O2 = CO2 +2H2O
When one mole of methane combusts 2 moles of water are formed
Therefore; when 22 moles of methane combusts 44 moles of water are formed (22 ×2)
7 0
3 years ago
Why do we use 51.0mL of NaOH but only 50.0mL of HCl?
bixtya [17]

Answer

Na OH reacts with H Cl and forms Na Cl and H₂O

NaOH + HCl   →   NaCl + H₂O                                              

Here we can see that  1 mole of NaOH reacting with 1 mole of HCl and forming 1 mole of NaCl and 1 mole of H₂O

when  NaOH and HCl are added together in equal amount then they will completely neutralize each other but NaOH is hygroscopic in nature which means it can absorb water from air so it will not be weighted accurately.

hence, for neutralization we will take extra NaOH.

3 0
3 years ago
A container of oxygen with a volume of 60 L is heated from 300 K to 400 k, What is the new volume?
Lunna [17]

Answer:

80L

Explanation:

V1/T1 = V2/T2

V2 = V1 T2/T1

T1 = 300K

V1 = 60L

T2 = 400K

V2 = ?

V2 = V1 T2/T1

V2 = (60L)(400K) / (300K)

V2 = 80L

7 0
3 years ago
In which location of the digestive system will you find both physical AND chemical digestion?
d1i1m1o1n [39]

Answer:

The stomach

Explanation:

In the stomach, physical digestion occurs because of peristaltic contractions (wave like contraction in the lean muscle) and chemical digestion occurs because of stomach acid, hydrochloric acid, breaking down your food.

5 0
3 years ago
941 milliliters is the same as: cm3 and L
Nutka1998 [239]

For this case, we must take into account the following conversion factors:

1 mL = 1 cm ^ 3

1000 mL = 1 L

Therefore, by applying the conversion factors we have:

For cubic centimeters:

(941mL) (1\frac{cm^3}{mL}) = 941cm ^ 3

For liters:

(941mL) (\frac{1}{1000}\frac{L}{mL}) = 0.941L

Answer:

941 milliliters is the same as:

941cm ^ 3

0.941L

6 0
3 years ago
Read 2 more answers
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