A gas occupies 10.0 L at 40.0°C and 1.2 atm. How many moles of gas are present?

What is important to study for nios grade 12 chemistry? i have only one month left.

The graph above shows how the price of cell phones varies with the demand quantity. the equilibrium price for cell phones is where both supply and demand quantities equal $100, 5,000 5,000, $100

This drawing shows a human body system. what is the primary function of this body system?