States of Matter

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Glass can be used to store things in the freezer. Glass containers can also be put in the freezer temporarily, to make a drink extra cold.

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  • Where does chalk come from?

    Q: Where does chalk come from?

    A: According to Discovering Fossils, chalk occurs naturally in nature as calcium carbonate, a form of limestone. Limestone is formed from the decomposition and sedimentation of Coccolithophores skeletons, a type of plankton.
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  • What happens when water boils?

    Q: What happens when water boils?

    A: Water boils when the thermal energy in the water, which is a type of kinetic energy which causes the water molecules to move around, exceeds the strength of the hydrogen bonds between the molecules, causing them to separate from the other molecules. This breaking of bonds between water molecules consumes any additional thermal energy added, so that water at boiling temperature does not increase in temperature until the phase change is complete. In normal conditions, much of the water vapor almost immediately turns to steam, which is actually composed of droplets of liquid water because it has left the source of heat.
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  • At what temperature does wood start to burn?

    Q: At what temperature does wood start to burn?

    A: When wood is completely dry and is not a type of artificial wood, the combustion temperature is generally 451 degrees Fahrenheit, according to the Argonne National Laboratory. However, there are many variables, such as moisture, oxygen ability and wood density, that come into play.
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  • What goes up and never comes down?

    Q: What goes up and never comes down?

    A: The most accurate answer to what goes up and never comes down is a person's age. Another common answer is a person's height. Heat and smoke are also accurate answers for what goes up and never comes down, due to the fact that heat rises.
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  • What are some general properties of matter?

    Q: What are some general properties of matter?

    A: Properties of matter, defined by Education Portal, are divided into two groups: physical properties that include color, density, mass, boiling point, volume, solubility, malleability and temperature; and chemical properties that include reactivity with oxygen, reactivity with water, flammability, pH, toxicity and combustion. Physical properties of matter can be observed or measured without changing the composition, while chemical properties can only be observed after a chemical change has occurred.
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  • What is the melting point of mild steel?

    Q: What is the melting point of mild steel?

    A: The melting point of mild steel, or low carbon steel, is usually 2,600 degrees Fahrenheit, or 1,427 degrees Celsius. Mild steel is one of the most commonly used types of industrial steel, and it consists of an alloy of steel and carbon.
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  • What is it called when a gas turns into a liquid?

    Q: What is it called when a gas turns into a liquid?

    A: Condensation is the name of the process through which gas turns into a liquid. Three common states of matter exist: solids, liquids and gases. Matter, however, can change its state with the addition or subtraction of energy. The energy is usually in the form of heat.
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  • What are characteristics of a solid?

    Q: What are characteristics of a solid?

    A: Solids hold their shape and have a fixed volume. The molecules in solids are packed closely together and cannot be moved. Solids also have slow diffusion and low vapor pressure.
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  • What is the melting point of glass?

    Q: What is the melting point of glass?

    A: The melting point of glass varies greatly according to what type of glass is being melted, but typically ranges from 2,597 to 2,912 degrees Fahrenheit. The variance in melting temperatures is caused by the mix of materials used initially to create the glass.
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  • Is aluminum a solid, liquid or gas?

    Q: Is aluminum a solid, liquid or gas?

    A: The physical state of aluminum is dependant on the temperature. This metal exists as a solid at temperatures below its melting point of 1220.58 degrees Fahrenheit, at which it becomes a liquid. At temperatures above 4566 Degrees Fahrenheit, aluminum becomes a gas.
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  • Is silver magnetic?

    Q: Is silver magnetic?

    A: In its natural state, silver is not magnetic; its atoms have paired electrons that spin in opposite directions, thus causing their magnetic fields to be canceled out, making silver a diamagnetic material.
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  • At what temperature does glass melt?

    Q: At what temperature does glass melt?

    A: Most glass takes on a more fluid consistency at temperatures of around 1350 degrees Fahrenheit. At this temperature, glass has the consistency of honey or syrup.
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  • Can a solid turn into a gas?

    Q: Can a solid turn into a gas?

    A: A solid can turn directly into a gas through a process called sublimation. In this instance, the solid vaporizes without going through the intermediary liquid stage. For example, in the water cycle, this would involve snow or ice turning directly into water vapor without going through the melting process. The opposite process, in which vapor changes into ice, is known as deposition.
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  • What is the density of oil?

    Q: What is the density of oil?

    A: The density of oil depends on the type of oil and varies between 0.8 to 0.96 grams per centimeter cubed. Fuel oil is commonly used in engines and industrial furnaces. It is also called heating oil and has a density of 0.81 grams per centimeter cubed.
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  • What is the boiling point of milk?

    Q: What is the boiling point of milk?

    A: The additional molecules in milk keep its boiling point slightly higher than water, which boils at 100 degrees Celsius or 212 degrees Fahrenheit. The chemical composition of milk dictates the boiling point and so there is no standard boiling point.
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  • Why do solids have definite shapes and volumes?

    Q: Why do solids have definite shapes and volumes?

    A: Solids have definite shapes and volumes because their atoms and molecules are held together firmly by the strong inter-molecular forces. At low temperatures, the kinetic energy in the solid is usually not enough to overcome these intermolecular forces, so the solid remains in the same state.
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  • What are the characteristics of matter?

    Q: What are the characteristics of matter?

    A: All physical matter has mass, weight, volume and density. Matter also has certain characteristics restricted only to specific physical states. Physical matter is made up of atoms, minuscule particles that form physical structures via their electrically charged attraction to one another.
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  • How much does water expand when it freezes?

    Q: How much does water expand when it freezes?

    A: Water expands by a factor of 112, or roughly 9 percent, when it freezes. Water, unlike most other liquids, forms stronger hydrogen bonds as temperatures drop. This leads to a crystal lattice structure with voids left between molecules. As the molecules arrange themselves in this manner, the substance expands and becomes less dense.
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  • What is the temperature of ice?

    Q: What is the temperature of ice?

    A: Chemists at the University of Utah discovered that ice forms at temperatures as low as minus 55 degrees Fahrenheit, according to a Science Daily article. Prior to this discovery, scientists believed ice formed exclusively at 32 degrees Fahrenheit.
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  • What is the fifth state of matter?

    Q: What is the fifth state of matter?

    A: The fifth state of matter is Bose-Einstein condensation, which is a gaseous superfluid formed by atoms that have been cooled to almost absolute zero. The theory was proposed by Satyndra Bose and Albert Einstein in the 1920s.
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  • What is the hottest thing in the world?

    Q: What is the hottest thing in the world?

    A: In 2006, scientists at Sandia Labs recorded temperatures of 3.6 billion degrees Fahrenheit, or two billion degrees Kelvin, within a super-heated gas called plasma. The temperatures were reached with the aid of the Z machine, which is an x-ray generator.
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