Answer the following questions using the ideal gas laws. a. A canister holds 553 mL of krypton at STP. How many moles of Kr are present? b. A weather balloon contains 0.465 mol He at STP. How much space will that gas occupy? c. A 1.78 g sample of argon fill a 1.46 L tank at a pressure of 100.1 kPa. What is the temperature of the gas?

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Answer the following questions using the ideal gas laws.
a. A canister holds 553 mL of krypton at STP. How many moles of Kr are
present?
b. A weather balloon contains 0.465 mol He at STP. How much space
will that gas occupy?
c. A 1.78 g sample of argon fill a 1.46 L tank at a pressure of 100.1 kPa.
What is the temperature of the gas?
d. A tank of oxygen gas contains 89.0 g of O₂. If the volume of the tank
is 17.54 L, what is the pressure (in Pa) of the O, if the temperature is
21.4 °C?
Transcribed Image Text:Answer the following questions using the ideal gas laws. a. A canister holds 553 mL of krypton at STP. How many moles of Kr are present? b. A weather balloon contains 0.465 mol He at STP. How much space will that gas occupy? c. A 1.78 g sample of argon fill a 1.46 L tank at a pressure of 100.1 kPa. What is the temperature of the gas? d. A tank of oxygen gas contains 89.0 g of O₂. If the volume of the tank is 17.54 L, what is the pressure (in Pa) of the O, if the temperature is 21.4 °C?
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