Q: What is the relationship between vapor pressure at a temperature and its melting point so that…
A: When a solid heated to give gas directly without leaving any residue is called sublimation this…
Q: What is the significance of crossing aline in a phase diagram?
A: The significance of crossing a line in phase diagram are discussed as shown below, Consider…
Q: Cite Five Real-Life Applications of Cooling Curve and Freezing Point Determination.
A: Real Life application of Cooling curve and Freezing point determination- (1) Cooling coughs is one…
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Q: The freezing temperature of a solution produced by dissolving 25 g of a solid solute in 1.5 L of…
A: The boiling point of solution can be calculated by using following formula: Where ΔTF = freezing…
Q: 2. While determining the pressure during the Dumas experiment, if the barometric pressure reported…
A: GIVEN:-
Q: If acetone is miscible with both water and xylene, then why can’t all three form a clear single…
A: "Like dissolves Like" which means polar solute dissolves in polar solvents and non- polar solute…
Q: What can be said about the boiling point and strenght of the intermolecular forces of a chemical…
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Q: Theoretically, the inherent viscosity for solutions (not pure solvents) should always be a.…
A: Inherent Viscosity ηi = ln ηr/c ln ηr is zero for puresolvent and increases with increasing…
Q: would you not expect the saturation vapor pressure to fall zero, even at extremely low temperatures?
A: Increase in the temperature, increasing the average energy of the particles present. That means that…
Q: What effect does the presence of impurity have on the melting point?
A: Melting point :- The temperature at which solid and liquid phases of a substance are in equilibrium…
Q: Why is it necessary to completely dry the Erlenmeyer flask, after removing it from the ice-bath?
A: If Erlenmeyer flask would not be completely dry =====> Some mass of water droplet added in the…
Q: The vapor pressure of some unknown substance at 27.7°C is 27.46 torr. If 1.26 g of of this substance…
A: T = 27.7°C = 300.85 K P = 27.46 torr = 0.0361 atm V = 2.14 L m = ? M = 17.63 g/mol R = 0.08206…
Q: Explain why the flow of a compressed gas must be controlled for practical and safe use.
A: The reason why the flow of compressed gas must be controlled for practical and safe use has to be…
Q: How can solid solution occur between materials?
A: Solid solutions occur between materials as follows.
Q: Illustrate the phase diagram of acetone and explain your findings.
A: Phase diagram of any system is the diagram which describes the change in the physical state of that…
Q: Please give me an example of a real-world application of cooling curves and determining a…
A: A question based on properties of solids that is to be accomplished.
Q: Phase changes; Show the water phase changes diagram and how it's difficult from the Carbon dioxide…
A: Phase diagrams shows the preffered physical states of matter at different thermodynamic variables…
Q: Considering the provided criteria, which set of compounds is ordered CORRECTLY? a.Decreasing normal…
A: Boiling point is temperature at which vapour pressure of liquid become equal to atmospheric…
Q: Explain the process of detergency using micelle formation.
A: A colloidal solution is a heterogeneous system in which one substance is dispersed as very fine…
Q: Explain why inorganic compounds such as MgCO,, which are unsta- ble when exposed to heat, can induce…
A: since you have posted multiple questions in a session, we are entitled to answer only first…
Q: which one will have the higher value for vapor pressure when it is in the liquid phase? SeO3 or…
A: Vapour pressure: Vapour pressure of any material is a tendency of a material to change into the…
Q: In Dumas method for determination of molar mass for a volatile liquid, its vapor
A: In Dumas method , molecular mass of a volatile liquid can be determined. Here , one assumption is…
Q: Cite two real-life applications of cooling curve and determination of the freezing point of a…
A: Applying cooling curves and freezing points to real life: 1. In heavy snow areas,• Salt the roads to…
Q: A solution of acetic acid CH3COOH and water is boiling at 100.4°C . A sample of the vapor…
A: The mass percentage of acetic acid in vapor phase is 10 % which means 10 g of acetic acid and 90 g…
Q: Carbon tetrachloride melts at 250. K. The vapor pressure of the liquid is 10,539 Pa at 290 K and…
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Q: a.Differentiate between freezing and refrigeration as methods used for food preservation. b. With…
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Q: What substances should be used with caution or not in an experiment to determine the partial weight…
A: A question based on properties of liquids that is to be accomplished.
Q: Describe method of acid vapor Pressure.
A: Menometric method
Q: The lower the vapor pressure, the LOWER the volatility of the substance. I Determine if the…
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Q: which one will have the higher value for vapor pressure when it is in the liquid phase OF2 or XeF2
A: Given : We have to tell which among the following has high vapor pressure.
Q: In Purification by Sublimation, what improvement can suggest to increase the amount of crystals that…
A: Sublimation refers to when a substance in a solid-state and changes into vapours without going into…
Q: Research on the process of desalination with the use of distillation. Write how vapor-pressure…
A: Desalination is a process that takes away mineral components from saline water. More generally,…
Q: In the determination of molar mass of a volatile liquid which of the following liquids can't be…
A: There are numerous conventional and modern methods are reported in literature for measurement of…
Q: What is the best way to extract water from air?
A:
Q: What is the normal boiling point of this solvent?
A:
Q: What limitations are encountered in the apolication of sublimation as a general method of…
A: The limitations are encountered in the application of sublimation as a general method of…
Q: When recrystalizing an aspirin sample the hot solution cooled to room temperature and no crystals…
A: Recrystallisation process involves the solute (to be purified) dissolve in an appropriate solvent.…
Q: 3. Is the dew point of a vapor-gas mixture the same variable as the vapor pressure?
A: The vapor pressure is the pressure exerted by vapor of a substance on the surface of its condensed…
Q: what is london dispersion force and what are some examples of it?
A: London dispersion forces are the intermolecular forces exist in all molecules regardless of…
Q: What is the relationship between the volatility of a liquid and its vapour pressure?
A:
Q: Calculate the vapor pressure of a mixture containing 252 g of n-pentane (72 g/mol) and 1400 g…
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Q: draw the structure of benzoic acid and discuss how its structure affect its melting point
A: Benzoic acid is commonly used in food preservatives.
Q: What is the phase diagram for t-Butyl Alcohol in celsius? With the freezing point, triple point, and…
A: Temperature (oC) Pressure (atm) Triple point 26 0.05579 Freezing point 25.5 1.005 Boiling…
Q: A. Do gioUI 17. The unit of boiling point elevation constant (Kb ) is A. K/ kg*mol B. K/ kg+mol C.…
A: We would use formula of elevation of boiling point to determine unit of Kb .
Q: A solution of pentane and ethanol (CH3CH2OH) that is 50.% pentane by mass is boiling at 57.2°C. The…
A: A solution of pentane and ethanol (CH3CH2OH) that is 50.0 % pentane by mass is boiling at 57.2°C.…
Q: why crystallization is considered as a First-order Phase transition?
A: Analysing change during crystallization process.
Discuss how relative humidity in a cold storage room can influence the vapor
pressure deficit.
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- What is supercritical fluid?What is the significance of winterization of oil?How is relative humidity different from absolute humidity and specific humidity? Other than salinity, what other parameters can a refractometer measure? How is it different from salinity? What other instruments can be used to measure salinity? List down 5 other instruments and equipment that are used to in ecology studies and discuss where it is used for:
- give two physical properties of steamWhat is the best way to extract water from air?Two vessels are partly filled with water, but at different levels. The remainder of each container is dry air (no water vapor present) at a pressure of 1 atm. The vessels are then sealed. Vessel 1 with 20 ml of water is kept at 20oC and Vessel 2 with 10 ml of water is kept at 30oC. Which one would have a higher relative humidity at equilibrium? Explain your reasoning. Please answer very soon will give rating surely
- What are the different physical properties of fats and oils? Discuss briefly the effect of temperature on the physical properties of fats and oils. What is the significance of winterization of oil?What does the Lf stand for in the enthalpy equation? A. Mass B. Enthalpy of vaporization C. Enthalpy of fusion D. Enthalpy change Reset SelectionRank from increasing to decreasing boiling point