How many oxygen atoms are present in 2.28 moles of nitric
acid, HNO3 ?

Explain that newton first law, second law and third law of motion?

How does climate change cause the ocean's thermohaline current to slow down?

What would be the original temperature of a gas that has a volume of 2.0 l and a pressure of 2.0 atm and an unknown temperature that the volume increased to 3.5 l in its pressure decreased to 1.0 atm if the final temperature is measured to be 11°c