Two electric charges, held a distance, dd, apart experience an electric force of magnitude, FF, between them. If one of the char
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Answer:
i. The values for the graph are;
Volume Pressure
1 1
1/4 1
1 1/4
1 1
The graph is attached
ii. Energy is added to the system.
Explanation:
i) Here we note that Charles law states that the volume of a given mass of gas is directly proportional to its temperature at constant pressure.
Therefore;
T₁/V₁ = T₂/V₂
Where V₂ = V₁/4, we have;
T₁/V₁ = T₂/(V₁/4) = 4×T₂/V₁
T₁ = 4×T₂
Therefore, T₂ = T₁ /4
In process BC, whereby the gas expands isothermally to original volume, we have; according to Boyle's law
P₁·V₁ = P₂·V₂
V₁ = 4·V₂
∴ P₁·4·V₂ = P₂·V₂
4·P₁ = P₂
Process CA, gas returns to initial state with T₂ = T₁ /4
Therefore, we have from Pₐ·Vₐ/Tₐ = P₁·V₁/T₁
Where the volume remain constant, we have Gay Lussac's Law which states that the pressure of a given mass of gas is directly proportional to its temperature, therefore
P₁/T₁ = P₂/T₂
Hence; whereby the temperature changes from T₂ to T₁ and T₂ = T₁ /4, we have P₁ = 4·P₂
Therefore, the pressure increases by a factor of 4 × 4 = 16.
Please find the graph attached
ii) Given that the gas expands to its original volume V₁, such that V₁ = 4·V₂, also work done, W is given as follows;
Therefore;
Hence, as n, R, and T are all positive values, W is positive, energy is added to the system.
The answer option which is an example of the law of multiple proportions is: B) Two different compounds formed from carbon and oxygen have the following mass ratios: 1.33 g O: 1 g C and 2.66 g O: 1 g C.
The Law of Multiple Proportions is also referred to as Dalton's Law and it states that when two chemical elements combine to form more than one chemical compound, the masses (weights) of one chemical element that combine with a fixed mass (weight) of the other chemical element will always be in a ratio of small whole numbers.
According to the Law of Multiple Proportions, when two chemical elements combine to form two different chemical compound, the masses (weights) of one chemical element that combine with 1 gram of the other chemical element can be expressed as a ratio of small whole numbers.
For example, carbon and oxygen react to form either carbon monoxide and carbon dioxide.
<u>Carbon monoxide (CO):</u>
12 grams of C = 16 grams of O.
1 gram of C = 1.33 gram of O.
<u>Carbon dioxide (</u><u>):</u>
12 gram of C = 32 grams of O.
1 gram of C = 2.66 gram of O.
Ratio of oxygen (O) = 16:32 = 1:2 (Law of Multiple Proportions).
Read more: brainly.com/question/21280037
Your question is lacking the necessary answer options, so I will be adding them here:
A. A sample of chlorine is found to contain three times as much Cl-35 as Cl-37.
B. Two different compounds formed from carbon and oxygen have the following mass ratios: 1.33 g O: 1 g C and 2.66 g O: 1 g C.
C. Two different samples of table salt are found to have the same ratio of sodium to chlorine.
D. The atomic mass of bromine is found to be 79.90 amu.
E. Nitrogen dioxide always has a mass ratio of 2.28 g O: 1 g N.