The ideal gas law treats gas as consisting of: A) atoms. B) molecules. C) chemicals. D) bubbles.
A tank with a volume of 0.200 m3 contains 27.0C helium gas at a pressure of 63.5 atm. How many balloons can be blown up if each filled balloon is a sphere 30.0 cm in diameter at 27.0C and absolute pressure of 1.20 atm? Assume all the helium is transferred to the balloons. A) 1180 balloons B) 884 balloons C) 749 balloons D) 375 balloons
The sulfur hexafluoride molecule consists of one sulfur atom and six fluorine atoms. The atomic masses of sulfur and fluorine are 32.0 u and 19.0 u, respectively. One-half mole of this very heavy gas has what mass? A) 32 g B) 73 g C) 146 g D) 608 g
A storeroom has a volume of 30 m3 and is filled with air of an average molecular mass of 29 u. What is the mass of the air in the room at a pressure of 1.0 atm and temperature of 22C? R = 0.082 L ·atm/mol ·K A) 36 kg B) 1240 kg C) 72 kg D) 700 kg