Solving Centibarrer Equation - Hg Value & Proper Values

  • Thread starter Idea04
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In summary, the conversation discusses an equation for calculating the amount of gas permeable through an item, but the asker is not getting the correct answer. They also inquire about the meaning and value of "Hg" and ask for help with solving the equation. The responder suggests that "Hg" likely refers to centimeters of mercury, which is a unit of pressure.
  • #1
Idea04
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Homework Statement


I have an equation that tells you the number of cubic cm of gas permeable
through an item. But I'm not getting a proper answer.
what does Hg stand for and what is its value. does anyone know the proper values for this equation and how to solve.
the values I have are 1 square cm, .238125 cm thick, time is one second.
I think Hg is to be the partial pressure difference across the membrane.

Homework Equations


10^-8x(cm^2-cm)/cm-Hg-sec-cm^2


The Attempt at a Solution

 
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  • #2
I've never heard of the centibarrer equation before but cm Hg probably means centimeters of mercury which is a pressure. Hope that helps.
 
  • #3

I can provide some insight into solving the Centibarrer Equation and determining the proper values for it. Firstly, Hg stands for mercury, which is a unit of pressure. Its value is equal to 1 centimeter of mercury (cmHg) at standard atmospheric pressure. In this equation, Hg represents the partial pressure difference across the membrane, which is an important factor in determining the rate of gas permeation through the item.

To solve this equation, you will need to use the appropriate units for each variable. In this case, the units for area (cm^2) and thickness (cm) are given, but the units for time are missing. It is important to use consistent units in order to get a proper answer. Additionally, the equation may need to be rearranged depending on the specific values and units given.

To determine the proper values for this equation, you may need to consult a reference source or previous studies on gas permeation. The values may vary depending on the specific item and conditions being studied. It is also important to consider any assumptions made in the equation and if they are applicable to your situation.

Overall, solving the Centibarrer Equation may require careful consideration of the units and values used, as well as consulting relevant sources for proper values. As a scientist, it is important to approach problems like this with a critical and analytical mindset, using logical reasoning and available resources to find a solution.
 

1. What is the Centibarrer equation and what is its purpose?

The Centibarrer equation is a mathematical equation used to calculate the amount of mercury (Hg) in a given sample. Its purpose is to determine the concentration of Hg in a substance, which can be used to assess potential health and environmental risks.

2. How do you solve the Centibarrer equation?

The Centibarrer equation can be solved by plugging in the values for the variables (e.g. concentration, volume, etc.) and performing the necessary mathematical operations. The resulting value will be the concentration of Hg in the sample, measured in centibarrers (one-hundredth of a part per billion).

3. What is the significance of the Hg value in the Centibarrer equation?

In the Centibarrer equation, the Hg value represents the concentration of mercury in the sample. This value is crucial in determining the potential risks associated with the substance, as mercury is a toxic element that can have harmful effects on human health and the environment.

4. How do you determine the proper values to use in the Centibarrer equation?

The proper values to use in the Centibarrer equation can be obtained through laboratory analysis of the sample. This may include measuring the volume of the sample, determining the concentration of the substance, and calculating other necessary values, such as the specific gravity or density of the substance.

5. Are there any limitations to using the Centibarrer equation to determine Hg values?

Yes, there are some limitations to using the Centibarrer equation. It is important to note that this equation is specific to mercury and may not be applicable to other substances. Additionally, it assumes that the sample is homogeneous and does not take into account any potential variations or impurities in the sample. Therefore, it should be used as a general estimation rather than an exact measurement.

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