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butalik [34]
3 years ago
6

Problem Page Combustion of hydrocarbons such as pentane ( C5 H12 ) produces carbon dioxide, a "greenhouse gas." Greenhouse gases

in the Earth's atmosphere can trap the Sun's heat, raising the average temperature of the Earth. For this reason there has been a great deal of international discussion about whether to regulate the production of carbon dioxide.(a) Write a balanced chemical equation, including physical state symbols, for the combustion of liquid pentane into gaseous carbon dioxide and gaseous water. (b) Suppose 0.350 kg of pentane are burned in air at a pressure of exactly 1 atm and a temperature of 20.0 degree C. Calculate the volume of carbon dioxide gas that is produced.Be sure your answer has the correct number of significant digits.
Chemistry
1 answer:
agasfer [191]3 years ago
4 0
Auuuuuhhhhhhh auhhh Frog
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When CO2(g) is put in a sealed container at 730 K and a pressure of 10.0 atm and is heated to 1420 K , the pressure rises to 24.
d1i1m1o1n [39]

Answer:

48%

Explanation:

Based on Gay-Lussac's law, the pressure is directly proportional to the temperature. To solve this question we must assume the temperature increases and all CO2 remains without reaction. The equation is:

P1T2 = P2T1

<em>Where Pis pressure and T absolute temperature of 1, initial state and 2, final state of the gas:</em>

P1 = 10.0atm

T2 = 1420K

P2 = ?

T1 = 730K

P2 = 10.0atm*1420K / 730K

P2 = 19.45 atm

The CO2 reacts as follows:

2CO2 → 2CO+ O2

Where 2 moles of gas react producing 3 moles of gas

Assuming the 100% of CO2 react, the pressure will be:

19.45atm * (3mol / 2mol) = 29.175atm

As the pressure rises just to 24.1atm the moles that react are:

24.1atm * (2mol / 19.45atm) = 2.48 moles of gas are present

The increase in moles is of 0.48 moles, a 100% express an increase of 1mol. The mole percent that descomposes is:

0.48mol / 1mol * 100 = 48%

8 0
3 years ago
Which of the following statements is true for radioactive reactions:
sasho [114]

Answer:

d) Nucleus of the element does not change during the react

hope it helps (^^)

# Cary on learning

8 0
2 years ago
Read 2 more answers
Please help me! giving brainliest!!
Dima020 [189]

Answer:

It is a covalent bond because both carbon and oxygen are nonmetals. The formula will be CO² because the electrons between the atoms are being shared equally.

8 0
2 years ago
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Arrange in terms of increasing atomic radius. From smallest to largest.<br> S, F, Sr, Na, Ga
BaLLatris [955]

Answer:

F<S<Na<Ga<Sr

Explanation:

Atomic radius increased from the right of the periodic table to left, and from the top to the down

5 0
3 years ago
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sesenic [268]

Answer:

electrophilic addition

Explanation:

CH3 - CH = CH2 + Cl-Cl ---> CH3 -CH(Cl) - CH2(Cl)

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3 years ago
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