Compuestos del boro con hidrogeno se llaman boranos. Uno de estos boranos tiene formula empirica de h3 y un peso molecular de 28 gramos mol. Cual es la formula molecular?

Suppose the universe were completely empty except for one object-a solid sphere moving through space of 100 km/s. what sort of path would the object be moving in? explain your answer

Read "who built the pyramids? ”. leave this link open while you answer the questions throughout the assignment. give at least two reasons why some people claim the pyramids of giza were constructed by aliens.

What is the percent by mass of magnesium sulfate in mgso4.7h2o