(a)
Interpretation:
If the given statement is true or false should be stated.
Concept Introduction:
The kinetic molecular theory state that particles of gas are always in constant motion and they show elastic collisions.
(b)
Interpretation:
If the given statement is true or false should be stated.
Concept Introduction:
The kinetic molecular theory state that particles of gas are always in constant motion and they show elastic collisions.
(c)
Interpretation:
If the given statement is true or false should be stated.
Concept Introduction:
The kinetic molecular theory state that particles of gas are always in constant motion and they show elastic collisions.
(d)
Interpretation:
If the given statement is true or false should be stated.
Concept Introduction:
The kinetic molecular theory state that particles of gas are always in constant motion and they show elastic collisions.
(e)
Interpretation:
If the given statement is true or false should be stated.
Concept Introduction:
The kinetic molecular theory state that particles of gas are always in constant motion and they show elastic collisions.
(f)
Interpretation:
If the given statement is true or false should be stated.
Concept Introduction:
The kinetic molecular theory state that particles of gas are always in constant motion and they show elastic collisions.
(g)
Interpretation:
If the given statement is true or false should be stated.
Concept Introduction:
The kinetic molecular theory state that particles of gas are always in constant motion and they show elastic collisions.
(h)
Interpretation:
If the given statement is true or false should be stated.
Concept Introduction:
The kinetic molecular theory state that particles of gas are always in constant motion and they show elastic collisions.
(i)
Interpretation:
If the given statement is true or false should be stated.
Concept Introduction:
The kinetic molecular theory state that particles of gas are always in constant motion and they show elastic collisions.
(j)
Interpretation:
If the given statement is true or false should be stated.
Concept Introduction:
The kinetic molecular theory state that particles of gas are always in constant motion and they show elastic collisions.
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Chapter 5 Solutions
Introduction to General, Organic and Biochemistry
- perform stoichiometric ca1cu1uions for reactions involving gases as reactants or products.arrow_forward5-114 Carbon dioxide gas, saturated with water vapor, can be produced by the addition of aqueous acid to calcium carbonate based on the following balanced net ionic equation: (a) How many moles of wet CO (g), collected at 60.°C and 774 torr total pressure, are produced by the complete reaction of 10.0 g of CaCO3 with excess acid? (b) What volume does this wet CO2 occupy? (c) What volume would the CO2 occupy at 774 torr if a desiccant (a chemical drying agent) were added to remove the water? The vapor pressure of water at 60.°C is 149.4 mm Hg.arrow_forward47 HCl(g) reacts with ammonia gas, NH3(g), to form solid ammonium chloride. If a sample of ammonia occupying 250 mL at 21 C and a pressure of 140 torr is allowed to react with excess HCl, what mass of NH4Cl will form?arrow_forward
- 5-34 A sample of 30.0 mL of krypton gas, Kr, is at 756 mm Hg and 25.0°C. What is the new volume if the pressure is decreased to 325 mm Hg and the temperature is decreased to-12.5°C?arrow_forward5-33 A certain quantity of helium gas is at a temperature of 27 °C and a pressure of 1.00 atm. What will the new temperature be if its volume is doubled at the same time that its pressure is decreased to one-half its original value?arrow_forward5-25 A gas in a bulb as in Figure 5-3 registers a pressure of 833 mm Hg in the manometer in which the reference arm of the U-shaped tube (A) is sealed and evacuated. What will the difference in the mercury levels be if the reference arm of the U-shaped tube is open to atmospheric pressure (760 mm Hg)?arrow_forward
- 105 The decomposition of mercury(II) thiocyanate produces an odd brown snake-like mass that is so unusual the process was once used in fireworks displays. There are actually several reactions that take place when the solid Hg(SCN)2 is ignited: 2Hg(SCN)2(s)2HgS(s)+CS2(s)+C3N4(s)CS2(s)+3O2(g)CO2(g)+2SO2(g)2C3N4(s)3(CN)2(g)+N2(g)HgS(s)+O2(g)Hg(l)+SO2(g) A 42.4-g sample of Hg(SCN)2 is placed into a 2.4-L vessel at 21°C. The vessel also contains air at a pressure of 758 torr. The container is sealed and the mixture is ignited, causing the reaction sequence above to occur. Once the reaction is complete, the container is cooled back to the original temperature of 21°C. (a) Without doing numerical calculations, predict whether the final pressure in the vessel will be greater than, less than, or equal to the initial pressure. Explain your answer. (b) Calculate the final pressure and compare your result with your prediction. (Assume that the mole fraction of O2 in air is 0.21.)arrow_forward5-56 The three main components of dry air and the percentage of each are nitrogen (78.08%), oxygen (20.95%), and argon (0.93%). (a) Calculate the partial pressure of each gas in a sample of dry air at 760 mm Hg. (b) Calculate the total pressure exerted by these three gases combined.arrow_forward5-111 Diving, particularly SCUBA (Self-Contained Underwater Breathing Apparatus) diving, subjects the body to increased pressure. Each 10. m (approximately 33 ft) of water exerts an additional pressure of 1 atm on the body. (a) What is the pressure on the body at a depth of 100. ft? (b) The partial pressure of nitrogen gas in air at 1 atm is 593 mm Hg. Assuming a SCUBA diver breathes compressed air, what is the partial pressure of nitrogen entering the lungs from a breathing tank at a depth of 100. ft? (c) The partial pressure of oxygen gas in the air at 2 atm is 158 mm Hg. What is the partial pressure of oxygen in the air in the lungs at a depth of 100. ft? (d) Why is it absolutely essential to exhale vigorously in a rapid ascent from a depth of 100. ft?arrow_forward
- 5-39 An 8.00-g sample of a gas occupies 22.4 L at 2.00 atm and 273 K. What is the molar mass of the gas?arrow_forwardA typical barometric pressure in Kansas City is 740 torr. What is this pressure in atmospheres, in millimeters of mercury, and in kilopascals?arrow_forwardA 21.4-mL volume of hydrochloric acid reacts completely with a solid sample of MgCO3. The reaction is 2HCl(aq)+MgCO3(s)CO2(g)+H2O(l)+MgCl2(aq) The volume of CO2 formed is 159 mL at 23C and 731 mmHg. What is the molarity of the HCl solution?arrow_forward
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