A machine with three pulleys uses force to do work than a machine with four pulleys.
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How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

Which statement can best be concluded from the ideal gas law?

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process