a. This substance can be liquified by compression at room temperature. b. At any point on the curve represented by the section ABC, the substance will exist in two phases. c. The intermolecular force of attraction observed at point E is greater than that at point D. d. Point D to C describes a process whereby the substance is completely vaporized.

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A: Pressure cooker is used to cook food in a efficient manner, that is, it save cooking time, fuel…

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

A: Conversion:-  vapour pressure         atm to torr    →0.00132 atm=1 torr   → so  0.500 atm=1…

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A:

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A: What is the correct order of boiling point = ? Given amines are : a). D > C > B > A…

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A:

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Q: What would be the possible application of determining the melting point of a substance?

A: Below attached file showing the details answer.  All the best.

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A:

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Q: The heat of fusion of pure silicon is 43.4 kJ/mol. How much energy in kJ would be needed to melt a…

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Q: 28)Which has the highest melting point MgO H2O CH3CH2CH3 Ar

A: The temperature at which solid form is converted to   liquid form is known as melting point.

Q: 8)Why measuring melting points?

A: You have a good question

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Q: 180 Phase Change Diayram 160 140 120 100 60 40 12 14 Time (mintes) 10 16 18 20 22 At point A, the…

A:

Q: a) Rank the three common states of matter in order from least ordered to most ordered. b) How is…

A:

Q: The heat of fusion of pure silicon is 43.4 kJ/mol. How much energy in kj would be needed to melt a…

A:

Q: Why does the temperature remain constant during a phase change? The heat added during a phase change…

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A: What statements accurately describe kinetic molecular theory? Select two that apply.  The…

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A: The data given is,

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A: Melting point means the temperature when a solid converts into liquid.

Q: Which change happens when a substance melts? O Heat energy overcomes the forces of attraction…

A: Here we have to choose correct option about melting of substances-

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Q: placed in separate containers labeled Sample A and Sample B. Both containers were left open until…

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A:

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Q: Q1/Why do we use oil instead of water to determine the melting point of chemicals? Q2/What is the…

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A:

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Q: 9)Who measures melting points?

A: Melting point is defined as the temperature at which solid starts melting. At melting point there is…

Q: Relating vapor pressure to vaporisation.

A: Liquid having higher vapour pressure is more volatile than liquid having lower vapour pressure.…

Q: Constant Pressure Transitions 1. Suppose you had the following phase diagram for a simple pure…

A:

Q: How do we know we are observing the end of the melting point range? First drop of liquid is…

A: The melting point range can be defined as follows:

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Q: This graph shows how the vapor pressure of three liquids varies with temperature: 900- B00 700- 600…

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A:

Q: Aluminum trichloride (AlCl3) exists as a dimer Al2Cl6 in the gas phase. What is a dimer? Draw the…

A: Given that :-               Aluminum Trichloride (AlCl3)       exist as dimer  Al2Cl6 in the gas…

Q: Which of the following will have the highest boiling point?      A. Hg(l) B. PCl3 C. S02 D.SO3

A: Boiling point of any molecule depends on 2 things ( in the same priority order as they are…