How many moles of hydrogen could be produced in the complete decomposition of 2.50 moles of c7h5n3o6?

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Avolleyball player hit a ball with a mass of 0.25 kg. the average acceleration of the ball is 15.5 m/s². how much force did the volleyball player apply to the ball? 62.0 n 3.87 n 62.0 m/s² 3.87 m/s²

What must be in balance for temperatures to remain constant?