Easy chemistry I'm terrible at chemistry x﹏x Tetraphosphorous hexaoxide is formed by the reaction of phosphorous (P4) with oxygen gas. If the reaction of 54.6 g of P4 with 28.6 g of O2 produces 21.0 g of P4O6, calculate the percent yield for the reaction.

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Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.