Al reaccionar 400g de H2 SO4 del 90% de pureza, Cuantos gramos de sulfato de aluminio se producen. Y cuantos gramos de hidrogeno se liberan si la reacción tiene una eficiencia del 80%. ayud doy 15 punt

In which of these cases are the two wave points considered to be in phase with each other?

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Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules