PPT Slide

The Universal Gas Constant

• Evaluate R: measure the V, T, and P of a given number of  moles of gas and substitute the values into the ideal gas law.

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Alternate units

• Although gas law problems are phrased in many ways,  they can usually be grouped into two main types:

1. A change in one of the four variables causes a change in another, while the two remaining variables are constant.

2. One variable is unknown, the other three are known, but  no change occurs.

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