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which of the following actions can result in decreasing the pressure of a gas inside a sealed container: increasing the collision rate between particles, increasing the speed at which the gas particles move, decreasing the collision rate between particles or decreasing the speed at which the gas particles move

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DerpySeagull

Decreasing the speed at which particles move. 
That is the answer because less speed involves less energy to move each particle which translates to less energy being exerted on the container when the particle and the container collide. That would result in less pressure.

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