4. The ozone molecules in the upper atmosphere (stratosphere) absorb much of the UV radiation from the sun. The temperature of the stratosphere is
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(a) If the pressure exerted by ozone, O3, in the stratosphere is 3.0 × 10-3 atm and the temperature is 250 K, how many ozone molecules are in a liter? (b) Carbon dioxide makes up approximately 0.04% of Earth’s atmosphere. If you collect a 2.0-L sample from the atmosphere at sea level (1.00 atm) on a warm day (27 °C), how many CO2 molecules are in your sample?
If the pressure exerted by ozone, , in the stratosphere is and the temperature is 254 , how many ozone molecules are in a liter?