2. How would type of substance affect the rate of reaction?

How many moles of no2 will form when 3.3 moles of cu are reacted with excess hno3?

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

The point along a planet's orbit where it is closest to the sun is called the