The average classroom contains about 650. liters of air. If this classroom is at standard pressure and room temperature (25 Celsius), how many moles
can be found within it? Round to the nearest mole.

Why does a red shoe appear red in daylight

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Calculate the mass of carbon in 97.0 g of sucrose c12h22o11