a storage tank at stp contains 28.5 kg of nitrogen (������2). a) what is the volume of the tank? b) what is the pressure if an additional 32.2 kg of nitrogen is added without changing the temperature?

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by

If a simple machine reduces the strength of a force, what must be increased?

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