What phase occurs when molten aluminum poured into a mold cools to form a solid object?

Q: A liquid will expand to take the shape of its container. O True O False

A: There are three states of matter; Solid, Liquid and Gas. Solid. Liquids are having definite volume…

Q: What is the name of the phase change that occurs when ice left at roomtemperature changes to liquid…

A: Ice is the solid form of H2O. Water is the liquid form of H2O.

Q: How much heat is required to melt 50.0 g of of ice at -5.0°C and heated until it reaches a final…

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Q: Select the substance with the highest viscosity A. hot motor oil B. honey at room temperature C.…

A: Viscosity is the resistance to flow. Means highly viscous fluid show higher resistance to flow. And…

Q: Arrange these substance according to how many drops we could add to a penny before the "bubble"…

A: The ability of a liquid to form drops on a surface depends on its surface tension, which is…

Q: he heat of vaporization of water is 540 cal/g. How much heat is needed to change 2.

A: Solution-    Heat of vaporization of water= 540 cal/g means amount of heat required to vaporize…

Q: What is the fundamental difference between an amorphous solid and a crystalline solid?

A: Solids are of two types based on their structure. They are amorphous solids and crystalline solids.

Q: A 0.186 mol sample of liquid propanol (60.09 g/mol) is heated from 24.4°C to 324.9°C. The boiling…

A: Answer: Heating of liquid propanol is a 3 step process: 1. Heating of liquid propanol up to its…

Q: The heat of vaporization of water is 40.65 kJ/mol. How much heat is required to vaporize 330 g of…

A: We know the amount of heat or energy required to vaporize water into the gas at its boiling point is…

Q: Which of the following refers to the phase transition from liquid to vapor?     Sublimation…

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Q: A yellow substance has a melting point at 150 degree celcius. It does not conduct electricity in…

A: Step 1: Consider given characteristics> melting point = 150 degrees Celsius> conductivity =…

Q: Which fundamental force is responsible for chemistry and for holding solids together?

A: The fundamental force associated with electric and magnetic fields. The electromagnetic force is…

Q: Match the terms describing phase changes with their definitions. Answer Bank liquid to gas melting…

A: States of matter are classified in major three classes which are named as solid, liquid, and gas.…

Q: What type of intermolecular forces are present in argon gas, solid, and liquid?

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Q: A solid will melt to its liquid phase if enough heat is applied. O True 3 False

A: Solution- when enough heat is applied to solid it will change to liquid phase which is known as…

Q: Condensation occurs when liquid phase of a substance is converted to its gaseous phase…

A: Condensation is associated with release in thermal energy and so it's an exothermic process.

Q: In our previous discussions, we discussed how phase changes (gas to liquid to solid, for example)…

A: The phase change on changing the temperature depends on the energy of atoms and interaction between…

Q: What property of water explains why water inside the tiny cracks in rocks helps the latter break…

A: Given : We have to explain why water inside the tiny cracks in rocks helps the latter break when it…

Q: Calculate the joules released when 175 g of the steam condenses at 100 ∘C and the liquid cools to…

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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: A 12 gram sample of water is frozen. How many calories of heat must be removed in order to freeze…

A: Freezing water at 0 degrees Celsius: It also takes 80 calories to freeze 1 gram of water.

Q: What state of matter has the highest possible number of distinguishable arrangements  A. Solid  b.…

A: In a solid, the particles are closely packed together and held in a fixed position by strong…

Q: Water does not vaporize easily. O True O False

A: When we boil water, it is found that water takes a lot of heat to increase its temperature. Not only…