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nordsb [41]
3 years ago
15

C25H52 + O2 ——-> CO2 + H2O Balance the equation of this reaction (chemistry)

Chemistry
1 answer:
SIZIF [17.4K]3 years ago
7 0

Answer:

i dont understand what your  asking if i did i would help sorry   :(

Explanation:

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Choose the BEST answer from the four options A, B, C, or D: Due to which property of LPG are we asked to close the valve of the
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Answer:

A

Explanation:

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3 years ago
A sample of gas at 25°C has a volume of 11 L and exerts a pressure of 0.868 atm. How many moles
vova2212 [387]

<u>Answer:</u> The number of moles of gas present are 0.390 moles

<u>Explanation:</u>

To calculate the number of moles of gas, we use the equation given by ideal gas which follows:

PV=nRT

where,

P = pressure of the gas = 0.868 atm

V = Volume of the gas = 11 L

T = Temperature of the gas = 25^oC=[25+273]K=298K

R = Gas constant = 0.0821\text{ L. atm }mol^{-1}K^{-1}

n = number of moles of gas = ?

Putting values in above equation, we get:

0.868atm\times 11L=n\times 0.0821\text{ L. atm }mol^{-1}K^{-1}\times 298K\\\\n=\frac{0.868\times 11}{0.0821\times 298}=0.390mol

Hence, the number of moles of gas present are 0.390 moles

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