133 107 ethyl ether ethyl alcohol 80 53 water 27 ethylene glycol 20 40 60 80 100 120 Temperature (°C) Figure 10.24 The boiling points of liquids are the temperatures at which their equilibrium vapor pressures equal the pressure of the surrounding atmosphere. Normal boiling points are those corresponding to a pressure of 1 atm (101.3 kPa.) Pressure (kPa)

Q: The molecular mass of butanol, C4H,OH, is 74.14; that of ethylene glycol, CH2(OH)CH,OH, is 62.08,…

A: Boiling point The temperature at which vapour pressure of liquid is equal to atmospheric pressure…

Q: When limestone (solid CaCO₂) is heated, it decomposes into time (solid CaO) and carbon dioxide gas.…

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Q: For many purposes we can treat methane (CH,) as an ideal gas at temperatures above its boiling point…

A: Given that: Initial temperature (T1) = 12.0°C = 285 K Final temperature (T2) = -11.0°C = 262 K…

Q: ? g/mol

A: Pressure (P) = 742 torr     = 742/760 = 0.976 atm Temperature(T) = 99°c = 372 K Volume = 355 mL =…

Q: Hydrogen gas is collected over water at 23.5 degrees celcius nd an atmospheric pressure of 765 mmHg.…

A: atmospheric pressure  = 765 mmHg  From standard sources we get, the vapor pressure of water at…

Q: A 5.50-mole sample of NH3 gas is kept in a 1.85-L container at 309 K. If the van der Waals equation…

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Q: A student experimentally determines the gas law constant, R, by reacting a small piece of magnesium…

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Q: A balloon has a volume of 5.4 L when sitting inside a warm building at 21.°C. When the balloon is…

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Q: A 0.640 g sample of a metal, M, reacts completely with sulfuric acid according to M(s) + H,SO,(aq) –…

A: As per equation 1 mol of metal M  gives 1 mol of H2 gas  First find the moles of H2 gas by using…

Q: Gases produced by a chemical reaction can easily be collected over water. To determine the pressure…

A: To determine the pressure of the hydrogen gas formed in this reaction, we need to subtract the vapor…

Q: A 1.00 LL flask is filled with 1.45 gg of argon at 25 ∘C∘C. A sample of ethane vapor is added to the…

A: Given, 1.45 g of argon Total pressure is 1.400 atm

Q: Suppose a volatile liquid is completely vaporized into a 153 mL flask in a 99.1∘C boiling water…

A: Ideal gas is also called a perfect gas. Ideal gas is a gas in which pressure P, volume V and…

Q: For many purposes we can treat methane (CH4) as an ideal gas at temperatures above its boiling point…

A: Detail

Q: 1) Consider the following reaction: Mg(s) + 2 HC1(aq) → MgCl2(aq)+ H2(g) The total pressure of gas…

A: GivenReaction Mg(s) + 2HCl(aq) → MgCl2(aq)  + H2(g)Gas is collected in reaction where water is used…

Q: For many purposes we can treat propane (C,H3) as an ideal gas at temperatures above its boiling…

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Q: A 0.235 g sample of a metal, M, reacts completely with sulfuric acid according to M(s) + H₂SO4 (aq)…

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Q: Use vapor pressure. A student leaving campus for spring break wants to make sure the air in his dorm…

A: Given the temperature of room, T = 22 oC + 273.15 = 295.15 KThe dimension of the room =  3.41 m ×…

Q: The enthalpy of vaporization of Substance X is 16.0kJmol and its normal boiling point is 123.°C.…

A: We have to Calculate the vapor pressure of X at −35°C.

Q: A metal cylinder with a capacity of 6.0 L is filled with compressed propane (C3H8). The pressure and…

A: Given: Volume = 6.0 L Initial pressure of cylinder = 120 atm Initial temperature of cylinder =  75…

Q: When 0.681 g of zinc was added to 75.0 mL of 0.3 M hydrochloric acid, hydrogen gas was produced. For…

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Q: Hydrogen gas is collected over water at 23.5 °C and an atmospheric pressure of 765 mmHg. Calculate…

A: Hydrogen gas is collected over water at 23.5 °C and an atmospheric pressure of 765 mm Hg. Calculate…

Q: The boiling point of hexane at 1 atm is 68.7C. Estimate its vapor pressure at 50C.

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Q: oxygen gas from the decomposition of KClO3 was collected by water displacement. the barometric…

A: The objective of this question is to calculate the partial pressure of oxygen collected in an…

Q: The melting point of benzene is found to increase from 5.5 to 5.78 °C when the external pressure is…

A: To calculate change in volume, we would use Clausius equation for phase change from  to liquid.

Q: Humidity is the percentage of partial pressure of water in air over the total possible water in the…

A: Introduction Humidity is an important concept in chemistry. It refers to the amount of water vapor…

Q: The normal boiling point of mercury at one bar pressure (Hg) is 356.7 ℃. At what temperature (in ℃)…

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Q: 7. In a 6.00 L pressure cooker, water is brought to a boil. If the final temperature is 115 °C at…

A: Formula: PV = nRT Where, P = pressure in bar             V = volume in L             n = number of…

Q: What is the vapor pressure of water at its normal boiling point (100 °C)? Be sure your answer has…

A: • We know that vapor pressure is defined as the amount of pressure exerted by the vapor in…

Q: For many purposes we can treat butane (C,H10) as an ideal gas at temperatures above its boiling…

A: Given:          Mass of sample= 36g         T1= 45°C= 273+45= 318K              T2 = ?         P1= P…

Q: Use vapor pressure. A student leaving campus for spring break wants to make sure the air in her dorm…

A: Here we have to determine pressure exerted by water vapour if all the  1.62 L liquid water would…

Q: Portable lanterns and stoves used for camping and backpacking often use a mixture of C5 and Có…

A: Given information: Enthalpy of vaporization (ΔHvap) = 27.6 kJ/mol Normal boiling point (T1) = 36.0…

Q: For many purposes we can treat butane (C4H₁0) as an ideal gas at temperatures above its boiling…

A: The objective of this question is to determine if it is possible to change the temperature of butane…

Q: Careful measurements reveal that the boiling point of water on the top of a mountain is 95.0 °C.…

A: If the vapor pressure is identified at any temperature, and the enthalpy of vaporization is known.…

Q: For many purposes we can treat methane (CH₂) as an ideal gas at temperatures above its boiling point…

A: Answer:When number of moles of a gas are constant and R is universal gas constant, so,  must be…

Q: A greenhouse contains 256 m³ of air at a temperature of 26°C, and a humidifier in it vaporizes…

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Q: Some hikers were climbing Mount McKinley and pitched camp part way up. While boiling eggs in water…

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Q: When limestone (solid CaCO3) is heated, it decomposes into lime (solid CaO) and carbon dioxide gas.…

A: Answer:-This question is answered by using the simple concept of calculation of equilibrium constant…

Q: A 0.580 g sample of a metal, M, reacts completely with sulfuric acid according to M(s) + H,SO, (aq)…

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Q: A 1.07 g sample of a liquid is evaporated completely at 341 K so that its vapors fill a 0.252L…

A: A 1.07 g sample of a liquid is evaporated completely at 341 K so that its vapors fill a 0.252 L…

Q: At its critical point, ammonia has a density of 0.235 g cm-3 .You have a special thick-walled glass…

A: The critical point is a point on the thermodynamic curve. At the critical point due to gradual…

Q: A 0.532 g0.532 g sample of steam at 106.4 °C106.4 °C is condensed into a container with 5.60 g5.60 g…

A: Given- Mass of steam = 0.532 g Mass of water = 5.60 g Initial temperature of steam = 106.4 °C…

Q: Neon and HF have approximately the same molecular masses.(a) Explain why the boiling points of Neon…

A: a) Neon and HF both have same molecular masses. But both molecules have different boiling point. As…

Q: For many purposes we can treat nitrogen (N2) as an ideal gas at temperatures above its boiling point…

A: We have Initial temperature = T1 =  –88 °C = –88 + 273 = 185 K Initial pressure = P1 = P Initial…