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blsea [12.9K]
2 years ago
5

How to know how many electrons are involved in bonding of propane ?

Chemistry
2 answers:
san4es73 [151]2 years ago
7 0

Answer: Propane (C3H8) Lewis structure contains three carbon atoms bonding with eight hydrogen atoms, all these are bonded with the single bonds only. The lewis structure of C3H8 has 20 bonding electrons and zero non-bonding electrons.

Explanation:

Burka [1]2 years ago
5 0
Propane because it has the most molocules and best for airing things out.
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Four gases were combined in a gas cylinder with these partial pressures: 3.5 atm N2, 2.8 atm O2, 0.25 atm Ar, and 0.15 atm He.
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Answer:

This can be solved using Dalton's Law of Partial pressures. This law states that the total pressure exerted by a gas mixture is equal to the sum of the partial pressure of each gas in the mixture as if it exist alone in a container. In order to solve, we need the partial pressures of the gases given. Calculations are as follows:

Explanation:

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8 0
3 years ago
Read 2 more answers
3. A 50.0 L sample of gas collected in the upper atmosphere at a pressure of 18.3 mmHg is compressed into a 150.0 mL container a
pochemuha

Answer:

a. P_2=8.03atm

b. V_2=0.024L=24mL

Explanation:

Hello,

a. In this case, we use the Boyle's law as en inversely proportional relationship between pressure and volume:

P_1V_1=P_2V_2

Thus, for the given conditions, one computes the new pressure as shown below:

P_2=\frac{P_1V_1}{V_2} =\frac{18.3mmHg*50.0L}{150.0mL*\frac{1L}{1000mL} }*\frac{1atm}{760mmHg} \\ \\P_2=8.03atm

b. Now, we should find the final volume for a new pressure of 10 atm:

V_2=\frac{P_1V_1}{P_2} =\frac{50.0L*18.3mmHg*\frac{1atm}{760mmHg} }{50atm}\\ \\V_2=0.024L=24mL

Best regards.

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3 years ago
If a physical or chemical change gives off heat energy, it is (4 points) an endothermic process a chemical process an exothermic
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<span>it is an exothermic process as the heat is released from the system and ΔH < 0
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