As the building collapses, the volume of air inside the building decreases, while the mass of the air stays the same. This means that the of the air inside the building will increase.

The pressure, volume, and temperature of a mole of an ideal gas are related by the equation pv = 8.31t, where p is measured in kilopascals, v in liters, and t in kelvins. use differentials to find the approximate change in the pressure if the volume increases from 14 l to 14.6 l and the temperature decreases from 375 k to 370 k. (round the answer to two decimal places.)

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What can you increase the strength of an electromagnet by