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

Q: Give the scientific definition about the boiling water.

A: the scientific definition about the boiling water is given below.

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 property of water explains why our body temperature remains essentially constant?  a. Water has…

A: 1. What property of water explains why our body temperature remains essentially constant?  Answer…

Q: When can a solid be imperfect? Explain by giving illustration.

A: Every irregularity in the pattern of crystal lattice structure is called solid imperfection. Defects…

Q: The energy needed to boil the water comes from where?

A: Water exists into three phases. These are ice, liquid water and vapors. To change one phase into…

Q: What state of matter is virtually incompressible and retains its own shape and volume?

A: Answer : Liquid A liquid is a nearly incompressible fluid that conforms to the shape of its…

Q: Calculate the heat needed to raise the temperature of 20 g of the substance from -70°C to 20°C.…

A:

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: What types of solids are electrical conductors, malleable and ductile?

A: Metallic solids are formed when positively charged nuclei of metal atoms are held together by…

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…

A:

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: What happens to a snowflake when it is put in the freezer? does it melt or does it become glass ice?…

A: Solution - According to the question - Given - snowflake icon represents the number 1 or the least…

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: After adding salt to melting ice, what change needs to happen for the ice to re-solidify

A: The phenomenon is the lowering of melting point,  it is a colligative property.

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: What is the difference between a chemical and physical change? What is the difference between an…

A: Since you have asked multiple question, we will solve the first few questions for you. If you want…

Q: Describe the properties of a liquid, including vapor pressure, viscosity, and surface tension

A: To find: The description about the properties of a liquid including viscosity, vapor pressure and…

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…

A:

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?

A:

Q: Explain in a structured way about the concept of melting point and vapor point in changes in the…

A: IntroductionCertainly! Let's explain the concepts of melting point and vaporization (boiling) point,…

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…

A:

Q: What happens to the viscosity of liquid with the increase in temperature

A: Viscosity is a measure of a fluids  resistance to flow. It can express the internal friction of a…

Q: What are ionic solids? Give some examples?

A: Ionic solids has to be defined.

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: The heat required to convert a solid at its melting point to a liquid is called the heat of   a.…

A: Heat energy that is required to change the state of unit mass of a substance without changing…

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…