El molibdeno puede ser soltado al ambiente por la combustión de fósil, aguas desechos industriales, el transporte de minerales y de la distribución de agua residuales. ¿Cuántas moles de protones hay en 17.8 moles de Molibdeno?

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

Plz mark brainliest 30 points 1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s. 2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?