the boiling point of water under an external pressure of 0.500 atm is ________°C.

Q: If an 4.7 g piece of water ice at -15C has 582 calories (enough to liquify it) added to it what…

A: Consider the given information is as follows; Mass of water ice = 4.7 g Amount of heat (Q) = 528…

Q: Which line segment represents an equilibrium between the liquid state and the gaseous state?

A: Considering the initial state of the compound be solid. At point "A" the compound is in solid state.…

Q: How much energy is absorbed or released when 23 g of carbon dioxide (Hfus =8.647 kJ/mol, Hvap =…

A:

Q: Two liquids, A and B, have vapor pressures at a given temperature of 24 mmHg and 36 mmHg,…

A: Dalton's Partial Pressure Law  states that the total pressure exerted by a mixture of gasses is…

Q: 2. Calculate the boiling point for ethyl acetate. The boiling point for ethyl acetate is [ Select ]…

A:

Q: When the external pressure is less than the atmospheric pressure, water will boil below its normal…

A: Water boils when vapour pressure become equal to atmospheric pressure.

Q: A student is performing a lab to determine whether a particular white solid undergoes an endothermic…

A: When energy is released in an exothermic reaction, the temperature of the reaction mixture…

Q: TABLE 11.8 Boiling Points of Water at Several Locations of Varied Altitudes Approximate Pressure…

A: In boston which is at sea level where atmosphere pressure is 101.3 Kpa , boiling point of water is…

Q: Physical properties such as melting point, boiling point, and solubility are all dependent on the…

A: The interparticle forces are depends on the nature of atoms and polarity of molecule.

Q: Arrange HCI, H2O, SiH, in order of increasing boiling point temperature: HCI < SiH, « H2O O SİH4 <…

A: Arrange boiling point order in HCl, H2O, SiH4 ?

Q: How many hydrogen bonds can form between any tetrose sugar and water molecules? 08 9 012 04 Next

A: Sugers are basically carbohydrates containing polyhydroxy aldehydes or polyhydroxy ketones . Tetrose…

Q: 16.7 degree Celsius and a boiling point of 118 degree Celsius. Predict the physical state of acetic…

A: Melting point of any substance  is the fix temperature  at which solid substance start to melt .for…

Q: I don't understand how to complete this problem.

A: First the number of moles present in given grams of rubbing alcohol is calculated. Heat of…

Q: Which of the following below explains the relationship between boiling point and vapor pressure…

A: Boiling point: The temperature at which the vapor pressure of a liquid becomes equal to the…

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

A: Provided total pressure (PT)=725.0mmHg Let partial pressure of H2= PH2   (say) At 25°C the partial…

Q: Calculate the vapor pressure of isopropyl alcohol at 35.00 "C. Isopropyl alcohol has a heat of…

A:

Q: Select the compound that will have the higher equilibrium vapor pressure based on predicted…

A: Different types of intermolecular forces are London dispersion force (LDF), dipole-dipole…

Q: Consider Chemical Reaction 10.1: Mg(s) + 2HCI(aq) → MgCl2(aq) + H2(g) Chemical Reaction 10.1 For…

A: When a gas is collected over water , some water vapors are also present along with the gas. The…

Q: Find the boiling point of water is of an at the to p mt. Fijiż which has at mospheric pressure of…

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Q: When the external pressure is less than the atmospheric pressure, water will boil below its normal…

A: Boiling point is nothing but the temperature at which vapour pressure equal to atmosphere pressure

Q: how does water behave in different states in a water cycle

A: Water cycle is the continuous, renewing cycle that circulates the water among earth’s ocean, land…

Q: 4. Container A has 30 grams of water at 85 deg. C. Container B has 25 grams of water at 25 deg C.…

A: Colder water will warm and warmer water will cool down.  The whole mixture contain same temperature.…

Q: The critical point for a substance is 1000 atm and 750 K. The triple point for this substance is…

A: The critical point for a substance is 1000 atm and 750K.The triple point for this substances is…

Q: The following information is given for antimony, Sb , at 1 atm: Boiling point = 1440.0°C   Heat of…

A: SOLUTION Mass of liquid antimony = 44.9 g Heat of fusion = 38.5 cal/g Energy removed = 38.5…

Q: For supercooled liquid water at -5°C, the vapor pressure is 4.108 mbar. The vapor pressure of ice at…

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Q: How many calories to melt 18.0 g of water at 0.0 °C completely to liquid water at 0.0 °C? The…

A: Heat of fusion is change in heat when 1 mole of solid is converted into liquid. Formula:

Q: The following information is given for ethanol at 1 atm: Boiling point = 78.40°C Heat of…

A:

Q: A 0.244 g sample of a metal, M, reacts completely with sulfuric acid according to…

A:

Q: PI+ 7,5 kcal EX 8. True or False. The energy required to melt a solid is higher than the energy…

A: Given: Energy required to melt a solid is higher than the energy required to vapourize a liquid.  To…

Q: The graph, at right, shows the temperature of a pure substance as it is heated at a constant rate in…

A: Given : the substance is being heated from solid to liquid to gas phase. Since the temperature v/s…

Q: Which of the following conditions are true for the freezing of water below 0ºC?   A ΔH > 0; ΔS 0;…

A: In this question, we will see the sign of ∆H, ∆S and ∆G when water is freezes below 0°C  You can see…

Q: Which intermolecular force is responsible for the unusual physicochemical properties of water?…

A: Different types of intermolecular forces: Dipole dipole attraction : it can be defined as the…

Q: What is happening to the water molecules at segment F? C A D E G Time Freezing, the water molecules…

A: from C point to G point there is a conversion of vapours to solid.  Let us study each point, one by…

Q: A 50:50 mixture of two liquids A and B is boiling under an atmosphere of 750 torr. At the…

A: The known quantities are:  Ptotal=750 torr P0A=1000 torr Two mixture of liquid A:B is taken in…

Q: oncrete which makes it different from other materials? E

A: Given- What are some of the unique properties of concrete-

Q: List the intermolecular forces pure water molecules experience in order of strength; weakest to…

A: Water has polar O-H bond and it has following  intermolecular forces

Q: A sample of gas collected over water at 42 degrees Celsius occupies a volume of one liter. The wet…

A: The expression of ideal gas equation is shown below: PV = nRT Where; P = pressure V = volume n =…

Q: An antifreeze solution freeze at -100°C. What is the freezing point on the Fahrenheit scale? A)…

A: Step →1Relation between °C and °F :-°F = 95 x °C + 32

Q: can someone show me the steps for how to solve this problem. I don't know what to do.

A: Convert the unit of pressure to torr as follows,

Q: A motorist fill his radiator with an anti-freeze mixture that states that the mixture is good to -35…

A: Since, Kelvin temperature = ℃ temperature + 273 thus,

Q: A sample of hydrogen gas is collected over water at a total pressure of 28 inches Hg at 22 oC.The…

A: Given: Temperature = 22oC Total pressure Ptotal = 28 inches Hg Vapour pressure of water Pwater =…

Q: how many kcal of heat are released when freezing 5.00 kg of water at 70.0 degrees celsius to ice at…

A: Given: Mass of water = 5.00 Kg = 5000 g. Initial temperature of water = 70.0 oC And final…

Q: The following information is given for ethanol at 1 atm: Boiling point = 78.40°C Melting point =…

A: Given, Mass of ethanol = 44.00 g Initial temperature = - 58.80 °C Final temperature = 94.90 °C…

Q: Why does a reaction that has a starting material contain a boiling point of 165 °C whereas a product…

A: Boiling point increases as intermolecular forces increase. The hydrogen bonding is the key to…

Q: Dry ice (solid carbon dioxide) disappears when allowed to sit at room temperature. What is the…

A: The physical state of Dry ice ( solid carbon dioxide) is solid and when we kept it at room…

Q: Heat is added to ice water at 0.C, you can expect the temperature of the ice water to…

A: Given : The phase of water is solid i.e its ice. And the temperature of ice is 0.0 oC

Q: List all intermolecular forces present in each liquid. Make a drawing that shows the strongest…

A: (a) Mercury is he metal so it as metallic bond between them and in addition cohesive forces also…

Q: How many calories to melt 18.0 g of water at 0.0 °C completely to liquid water at 0.0 °C? The…

A: Melting of 18g of water at 0⁰C completely to liquid water at 0⁰C requires energy to overcome the…