Sailin' steve likes to test the buoyancy of different objects. he threw a spherical object into a fluid that has a greater density than the object does. he also threw a square object into the fluid that has a greater density than the fluid.

Supongamos que estás estudiando dos estrellas. ambas estrellas tienen la misma magnitud aparente, pero la estrella a tiene una magnitud absoluta mayor que la estrella b. ¿que puedes decir acerca de la distancia a la tierra de estas dos estrellas?

An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?