give a particulate-level explanation of why ice (solid water) is less dense than liquid water?

Q: Is paper clip steel more dense or less than water

A: Is paper clip steel more dense or less than water.

Q: You were asked to separate sand and sodium chloride in water. choose three methods to separate the…

A: Physical separation (picking out pieces or utilizing density to shake sand to the top), dissolving…

Q: Explain what is meant by the salinity of water?

A: Salinity: It is term used to define saltiness of solution. A solution is said to be saline if it…

Q: Compare and contrast a frozen freezer pop with one that is still in the liquid state. Describe the…

A: In a substance, the state of the matter or the phase of the substance depends on the arrangement of…

Q: What is a solid dispersed in either a solid or liquid?

A: Solid dispersed in either a solid or liquid is called:

Q: A substance in a specific state of matter with volume of 6 liters was transferred to a 12 liter…

A: When the given substance with the volume of 6 liters was transferred to a 12-liter container. The…

Q: 2. An example of a liquid in solid solution is a. water in air b. zinc in copPper C. mercury in…

A: An example of a liquid in solid solution has to be chosen.

Q: (b) Draw a more accurate representation of one unit of C,H,O, dissolved in water.

A:

Q: Which of the following are observed general properties of liquids? (a) fixed volume (b) mix…

A: The general properties of liquids has to be predicted.

Q: Which is NOT directly attributable of property of water? A. The top of a lake freezing B. The…

A: Some important Characteristics of water  (1). polarity, (2). cohesion, (3). adhesion, (4).…

Q: What kind of system is the coffee held in a cup?

A: In thermodynamics, three types of systems have been described namely open system, closed system and…

Q: Hot-air balloons float because the air caught inside the balloon is heated up by a burner, making it…

A: The density of a compound is determined by the ratio between mass of the compound to its volume. It…

Q: Using the Identification of Substances by Physical Properties table in the question above, when…

A: The answer is explained below.

Q: In an experiment done, a sample of water was found to contain 400 g of calcium per m³ of sample.…

A: Ppm or ppb are concentration terms Here we are required to express the mass of calcium in (a) Parts…

Q: classify whether it is greater than, less than, or equal

A: Since you have posted multiple questions, the answer for first question is given below. Kindly…

Q: Why are gases compressible?

A: The reason for gases are compressible has to be given.

Q: Examine the statement.  Liquid water has a constant density. Do you agree or disagree with this…

A:

Q: Write any 4 properties of gases and liquids.

A: Properties of gases 1. Gases are easy to compress. 2.Gases occupy far more space than solid and…

Q: When determining the density of a pure liquid or a solution, the temperture of the sample must be…

A: The volume of liquids will increase with increase in temperature.

Q: Just a short summary for me to understand. Explain the difference in properties between solids,…

A:

Q: List at least three physical properties of water.

A: State three physical properties of water.

Q: 5. A sample of saline contains 45 ml of saline in 128 ml of water. What is the percent by volume of…

A: Solution :       Concentration in percentage by volume is expressed as the fraction of volume of…

Q: Explain what happens to the density of the water when it changes from liquid to solid. What is the…

A: The density of water decreases when it changes from liquid to solid.

Q: Define the phases of matter and phase change?

A: The state of matter that is uniform throughout in physical state and chemical composition is known…

Q: is distilled water pure substance?

A: Distillation is a purification technique. In this process each compound from the mixture get…

Q: explain how decantation, filtration, and evaporation are done as a separation process

A: Decantation:  It is the process by which we can separate mixtures of two immiscible liquids.…

Q: he sink–float method is often used to identify the type of glass material found at crime scenes by…

A: We have to identify different types of glasses.

Q: 1. Which is the smallest particle of matter? A. Cell B. Atom C. Molecule D. Compound 2. Which of the…

A: Note: Since you have posted a question with multiple subparts, we will solve the first three…

Q: 1. When sugar and sulfur are mixed with water, they behave differently. Which of these can be…

A: When sugar and sulfur is mixed with water, which of these can be removed with water filtration..

Q: is urine homogeneous or heterogeneous mixture?

A: A mixture is made of two or more substances that are combined but they are not combined chemically.

Q: 4. (a) The sodium ion did not take part in this chemical reaction. What do we call such an ion? (b)…

A: sodium ions are spectator ions and undergoes solvation that is gets surrounded by negative pole of…

Q: Which of the following is a pure substance that can be broken down into simpler substances by…

A: Solution: It is a homogeneous mixture of two or more components that are uniformly distributed…

Q: Some farmers use ammonia, NH3 as a fertilizer. This ammonia is stored in liquid form. Use the…

A: As a fertiliser, some farmers utilise ammonia(NH3).  This ammonia is kept in a liquid form.

Q: Question attached

A: The definition of Rf has to be given,

Q: a) Define melting point. b) Is melting point a physical or chemical property of matter?

A:

Q: Consider three 10-g samples of water: one as ice, one as liquid, and one as vapor. How do the…

A: The volume of solid and liquid phase of water can be calculated by the expression given in the…

Q: A mixture of copper and tin, commonly called bronze is a homogeneous mixture or a ____________…

A: Given : A mixture of copper and tin, commonly called bronze is a homogeneous mixture.

Q: Mixture of water and POTASSIUM CARBONATE is an example of Homogeneous mixture

A: Given, Mixture of water and potassium carbonate.

Q: Which of the following is a method for separating a solid-liquid mixture?

A: Applying concept of separation of liquid- solid mixture by filtration.

Q: e. What are the properties of matter that corresponds to the molecular behavior?

A: Matter is anything that occupies space and has mass. All physical objects are composed of matter,…

Q: What is a unit of volume of solids

A: Volume of any substance is defined a the space that particular substance takes up,at any particular…

Q: Label as a substance, heterogeneous mixture, or a solution: Beach sand substance O solution O…

A:

Q: These quantity-dependent properties such as boiling point and freezing point are collectively called

A: The objective of the question is to tick the correct answer to the given alternatives.

Q: What is umplung? Provide example.

A: Umpolung : Reversal of polarity. For example acetaldehyde is having electrophilic carbon.…

Q: Which is NOT directly attributable to a property of water? O The top of a lake freezing C Nutrients…

A: The top of a lake freezing indicate the phase changing property of water at different…

Q: What volume of water w

A:

Q: Why rubber,cotton, wax and wood consider deformable materials? explain EACH why

A: