Concept explainers
(a)
Interpretation:
The pressure in atmospheres, when a sample of nitrogen dioxide gas at given set of conditions has to be determined.
Concept Introduction:
Combined
(b)
Interpretation:
The pressure in atmospheres, when a sample of nitrogen dioxide gas at given set of conditions has to be determined.
Concept Introduction:
Combined gas law tells that the Kelvin temperature of gas is directly proportional to the pressure and volume of a fixed amount of gas. The mathematical expression for combined gas law can be represented as follows,
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General, Organic, and Biological Chemistry
- The hydrocarbon octane (C8H18) bums to give CO2 and water vapor: 2 C8H18(g) + 25 O2(g) 16 CO2(g) + 18 H2O(g) If a 0.048-g sample of octane burns completely in O2, what will be the pressure of water vapor in a 4.75-L flask at 30.0 C? If the O2 gas needed for complete combustion was contained in a 4.75-L flask at 22 C, what would its pressure be?arrow_forwardYou have a 550.-mL tank of gas with a pressure of 1.56 atm at 24 C. You thought the gas was pure carbon monoxide gas, CO, but you later found it was contaminated by small quantities of gaseous CO2 and O2. Analysis shows that the tank pressure is 1.34 atm (at 24 C) if the CO2 is removed. Another experiment shows that 0.0870 g of O2 can be removed chemically. What are the masses of CO and CO2 in the tank, and what is the partial pressure of each of the three gases at 25 C?arrow_forwardWhich of the following statements is(are) true? a. If the number of moles of a gas is doubled, the volume will double, assuming the pressure and temperature of the gas remain constant. b. If the temperature of a gas increases from 25C to 50C, the volume of the gas would double, assuming that the pressure and the number of moles of gas remain constant. c. The device that measures atmospheric pressure is called a barometer. d. If the volume of a gas decreases by one half, then the pressure would double, assuming that the number of moles and the temperature of the gas remain constant.arrow_forward
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