23) What temperature scale is used in gas law calculations? A) Fahrenheit B) Celsius C) Kelvin D) either Celsius or Fahrenheit E) either Celsius or Kelvin 24) At STP, temperature and pressure have the values of A) O K and I atm B) 273 K and I mmHg C) 273 K and 760 mmHg D) O K and 760 mmHg E) 760 K and 25) At STP, how many moles of helium would occupy 1.00 L? A) 2.24 moles B)...
Part 1. The air in a bicycle tire is bubbled through water and collected at 25∘C. If the total volume of gas collected is 5.60 L at a temperature of 25∘C and a pressure of 760 torr, how many moles of gas were in the bicycle tire? - Part 2. A 295-mL flask contains pure helium at a pressure of 755 torr . A second flask with a volume of 480 mL contains pure argon at a pressure of 714...
25. You’re at the zoo and have a big red 3.20 L helium balloon. The barometric pressure is 790.0 mm Hg. Then you hear the roar of a lion. Startled, you accidently release the balloon. It flies away. By the time it reaches the clouds the atmospheric pressure is only 0.300 atm. What is the new volume of the balloon? a) 6.20 L b) 11.1 L c) 1.06 L d) 8.43 L 26. A gas sample is held at constant...
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24.) D 25.) B 26.) C
24) The volume of HCl gas required to react with excess magnesium metal to produce 6.82 L of hydrogen gas at 2.19 atm and 35.0°C is A) 2.19 B) 4.38 C) 6.82 D) 13.6 E) 3.41 25) What volume (mL) of fluorine gas is required to react with 1.28 g of calcium bromide to form calcium fluoride and bromine...
a. 242 m/s b. 1.21 x 103 m/s c. 822 m/s d. 483 m/s 25. Is this rms speed the same or different from the nitrogen molecules in the sample? Explain. 26. An ideal gas sample of 11 moles initially at STP is isothermally compressed to half its original volume. What must be its final pressure? a. 4.8 atm b. 3 atm c. 2 atm d. 4 atm 27. In the previous question, by what factor does the internal energy...