A child’s lungs can hold 2.20 L of air. How many grams of air do her lungs hold at a pressure of 102 kPa and a body temperature of 37oC? Use a molar mass of 29 g/mol for air which is about 20% O2 and 80% N2

The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about what

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?

How many liters of oxygen gas, at standard temperature and pressure, will react with 35.8 grams of iron metal? 4 fe (s) + 3 o₂ (g) → 2 fe₂o₃ (s)