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Concept explainers
(a)
Interpretation: The partial pressure of oxygen on the plane should be calculated when the air is
Concept Introduction: According to the Dalton’s law of partial pressure, the sum of partial pressure of all gaseous components of the mixture is equal to the total pressure of a gaseous mixture. The partial pressure is product of mole fraction of gas and total pressure.
(b)
Interpretation: The total pressure of the cabin should be calculated at which the oxygen masks are dropped.
Concept Introduction: According to the Dalton’s law of partial pressure, the sum of partial pressure of all gaseous components of the mixture is equal to the total pressure of a gaseous mixture. The partial pressure is product of mole fraction of gas and total pressure.
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Chapter 11 Solutions
EBK BASIC CHEMISTRY
- 320 29. Determine what happens to each variable below (increases, decreases, no change) under the stated conditions. Assume that all other variables not specifically mentioned are constant values. (10.4) (a) What happens to the pressure when the volume decreases? (b) What happens to the volume when the temperature increases? (c) What happens to the pressure when the temperature decreases? (d) What happens to the pressure when the amount of gas decreases? 30. Determine what happens to each variable below (increases, decreases, no change) under the stated conditions. Assume that all other variables not specifically mentioned are constant values. (10.4) (a) What happens to the volume if the amount of gas doubles? (b) What happens to the temperature when the pressure decreases? (c) What happens to the temperature when the volume increases? 34. Calculate the missing variables in each experiment below using Boyle's law. (10.5) (a) P, = 1.67 atm, V1 = 3.77 L, P2 = 0.229 atm, V2 = ? (b) P1 =…arrow_forward6. V₁6.00L P₁=730 P₂=760, (760.) (.) Calculate the final pressure inside a scuba tank after it cools from 1.00 x 10³ °C to 25.0 °C. The initial pressure in the tank is 130.0 atm. (6.00, 7. A sample of ammonia has a volume of 60.0 mL at 0°C. At what temperature will it have a volume of 325 mL? 60 77731arrow_forward(6.5)What is the molar volume of argon gas at STP? O 15.3 L O 22.4 L O 4.00 L O 1.00 Larrow_forward
- The raté of effusion of a certain gas. was measured in a laboratory Pure oxygen in the same 9. apparatus and found to be 10:0 ml/sec. apparatus at the same temperature and pressure effused at a rate of Calculate the molecular weight of the gas. (63.6) 14.1 ml/sec. ortantarrow_forward(6.9: Similar to Example 6.15 & For Practice 6.15) Find the ratio of effusion rates of argon gas and chlorine gas. O 0.751 O 1.33 O 3.15 O 0.317arrow_forward(6.6: Similar to For practice 6.10) The mixture of gas contains 3.5 g Ne and 2.5 g He. What is the total pressure be for the partial pressure of Ne to be 0.25 atm? O 1.5 atm O 0.43 atm O 2.1 atm O 1.2 atmarrow_forward
- (Q24) What is the density (in g/L) of sulfur dioxide gas at a pressure of 873 torr and a temperature of 69.0 °C? (3 sf)arrow_forward14. Consider a container with a volume of 22.4 L filled with a gas at 1.00 atm and 0˚C. What will be the new pressure if the temperature increases to 298K? (1.09)arrow_forward1. 6.0 L of gas in a piston at a pressure of 1.0 atm are compressed until the volume is 3.5 L. What is the new pressure inside the piston? 2. A 35 L tank of oxygen is at 315 K with an internal pressure of 190 atmospheres. How many moles of gas does the tank contain? 3. A helium balloon with an internal pressure of 1.00 atm and a volume of 4.50 L at 20.0⁰C is released. What volume will the balloon occupy at an altitude where the pressure is 0.600atm and the temperature is -20.0⁰C?arrow_forward
- Consider this information about two greenhouse gases, CH4 and N2O. Which statement is correct for CH4? (10) Greenhouse Gas Abundance in Troposphere, % Factor N20 160 3.1 x 10-5 CH4 30 1.8 x 104 CH4 is less effective greenhouse gas and there is less of it in troposphere. )) CH4 is less effective greenhouse gas and there is more of it in troposphere. )) CH4 is less effective green house gas and there is less of it in troposphere. ) CH4 is more effective green house gas and there is more of it in troposphere.arrow_forward10.105 Complete and balance each of the following: (10.7) a. ZnCO3(s) + H,SO,(aq) b. Al(s) + HBr(aq)arrow_forward(Q29) How many grams of solid potassium chlorate (KCIO3) decompose to form solid potassium chloride and 790 mL of oxygen gas at 111 °C and 770 torr? (3 sf)arrow_forward
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