Thermochemistry The specific heat of aluminum is 0.9025 18°C. How much heat(Q) is released when a 10,0 g piece of aluminum foil is taken out of
the oven and cools from 100.0° to 50.0?

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

Plz mark brainliest 30 points1) 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?

Element before carbon on the periodic table