Silver is a white metal that is an excellent conductor of heat and electricity. the density of silver is 10.49 g/cm3. silver does not react with water but does react with nitric acid. silver tarnishes when exposed to air. a physical property of silver is silver reacts with nitric acid. a.silver reacts with nitric acidb. silver does not react with waterc. the density of silver is 10.49 g/cm3.d. silver tarnishes when exposed to air.

4nh3+5o2--> 4no+6h20what is the total number of moles of h2o produced when 12 mole of nh3 is completely consumed?

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?

Which element is the least metallic between cadmium, silver, zinc, or iron?