Answer:
Viscosity
Explanation:
The viscosity of the liquid is the independent variable. The flow rate is the dependent variable in this hypothesis.
The statement given is called the hypothesis. It is a form of scientific guess into a phenomenon.
- An independent variable is the cause.
- A dependent variable is the effect produced.
- In this hypothesis, the cause of the various flow rate of the liquid is the viscosity.
- It is therefore the independent variable.
- The flow rate is the dependent variable.
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Answer:
18.45L
Explanation:
V1 = 12.3L
T1 = 40K
T2 = 60K
V2 = ?
This question involves the use of Charles law which states that the volume of a fixed mass of gas is directly proportional to its temperature provided that pressure remains constant.
Mathematically,
V = kT k = V/T
V1 / T1 = V2 / T2 = V3 / T3 =.......=Vn / Tn
V1 / T1 = V2 / T2
V2 = (V1 × T2) / T1
V2 = (12.3 × 60) / 40
V2 = 18.45L
The final volume of the gas is 18.45L
Answer:
the partial pressure of Xe is 452.4 mmHg
Explanation:
Dalton's law of partial pressures says that in a mixture of non-reacting gases, the total pressure exerted is equal to the sum of the partial pressures of the individual gases.
The partial pressures can be calculated with the molar fraction of the gas, in this case, Xe.
Molar fraction of Xe is calculated as follows:
Then, 0.29 is the molar fraction of Xe in the mixture of gases given.
To know the parcial pressure of Xe, we have to multiply the molar fraction by the total pressure:
Partial Pressure of Xe=1560mmHg*0.29
Partial Pressure of Xe=452.4mmHg
Scatter Plots. Scatter Plots show the relationship between two variables.
