What is formed when gas is enclosed in a chamber then liquified under very high pressure? * What latent heat value signifies the lost of heat during a phase change? What is the unique temperature and pressure at which the three phases of a substance are in equilibrium with each other? * Which liquid crystal is of pharmaceutical significance? *

Q: A change in color of a hydrate salt after heating indicates the removal of water molecules. true or…

A: 1) In  the hydrate salt, the salt is coordinated to the water molecules and represented as!;…

Q: Four liquids are described in the table below. Use the second column of the table to explain the…

A: Given,density of water = 1.00 g/mL               solution      freezing point  boiling point4.8 g of…

Q: Given that a 10.0 g sample of ice at 0.0 °C melts and then the resultant water proceeds to warm to…

A:

Q: Four liquids are described in the table below. Use the second column of the table to explain the…

A: Answer:- firstly for the each question, molality is calculated then using the product of molality…

Q: The pressure above a pure sample of solid Substance X at -221. °C is lowered. At what pressure will…

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A: Given:

Q: Use the observation in the first column to answer the question in the second column.  At 29°C,…

A: Enthalpy of vaporization : It is also known as the heat of vaporization and defined as the amount of…

Q: Due to the fact that the liquid you used was a volatile one, it will not completely recondense. Some…

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Q: Four liquids are described in the table below. Use the second column of the table to explain the…

A:

Q: Four liquids are described in the table below. Use the second column of the table to explain the…

A: The objective of the question is to explain the order of freezing point and boiling point.

Q: The pressure above a pure sample of solid Substance X at -146. °C is lowered. At what pressure will…

A: Initial temperature of solid, X = - 146 oC + 273 = 127 K  Since the initial state of X is solid, we…

Q: Four liquids are described in the table below. Use the second column of the table to explain the…

A: Given,                solution            freezing point         boiling point7.3 g of sodium…

Q: - Suppose a small sample of pure X is held at  -236.°C and 2.0 atm. What will be the state of the…

A: The phase diagram shows the temperature and pressure at which different phases of a substance are…

Q: Four liquids are described in the table below. Use the second column of the table to explain the…

A: We know that freezing point of water is 0°C and boiling point is 100°C , then from following formula…

Q: At room temperature, F2 and Cl2 are gases, Br2 is a liquid, and I2 is solid. This is because of…

A: The main reason of this is Intermolecular forces which is in this case vander wall force of…

Q: A student obtained a solid product in a laboratory synthesis. To verify the identity of the solid,…

A: The temperature at which a solid substance maintains an equilibrium with its liquid phase is known…

Q: Four liquids are described in the table below. Use the second column of the table to explain the…

A: Collogative properties are those properties which depends upon the number of particles or…