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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  • 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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  • What Is the Boiling Point of Sugar?

    Q: What Is the Boiling Point of Sugar?

    A: Sugar does not have an exact boiling point by itself as sugar does not melt or boil, but decomposes. There are boiling points when sugar is dissolved in water. However, those are not static numbers.
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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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  • 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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  • What Is the Function of Liquid Paraffin?

    Q: What Is the Function of Liquid Paraffin?

    A: Liquid paraffin has many uses. In addition to being an ingredient in many skin care products, liquid paraffin may also be used as a laxative, according to Drugs.com. A highly refined mineral oil, liquid paraffin can also be used as a culture overlay in conjunction with medical specimens and procedures.
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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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  • 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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  • 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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  • At What Temperature Does Gasoline Burn?

    Q: At What Temperature Does Gasoline Burn?

    A: Gasoline burns at 495 degrees Fahrenheit at standard atmospheric pressure. This ignition temperature is the lowest temperature at which gasoline may undergo combustion. If the temperature is lower than this, a fire is needed to ignite gasoline. If too little air is present, a higher temperature is needed.
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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 Difference Between Steam and Water Vapor?

    Q: What Is the Difference Between Steam and Water Vapor?

    A: The difference between steam and water vapor is that water vapor is typically the same temperature as the air that is present while steam is above the boiling point of water. The chemical composition of water and steam are identical.
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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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  • How Long Does It Take to Freeze a Gallon of Water?

    Q: How Long Does It Take to Freeze a Gallon of Water?

    A: The time it takes to freeze a gallon of water varies from minutes to several hours. The time it takes is based on several factors including temperature and the pureness of the water.
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  • What Happens When Water Freezes?

    Q: What Happens When Water Freezes?

    A: When water freezes, the molecules slow down and assume a fixed position, although not quite in the way that one might think. Water is made of molecules with two hydrogen atoms and an oxygen atom, but those molecules don't just stop moving as units. One would think they would all stop, because the Third Law of Thermodynamics says that entropy drops with temperature, getting close to zero. However, ice does not show that property, which is one reason why ice is the only solid less dense than its liquid state.
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  • What Happens When Water Vapor Cools?

    Q: What Happens When Water Vapor Cools?

    A: When water vapor cools, it condenses. It is a phase change where water changes from a gas to a liquid. Condensation is the opposite of evaporation.
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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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  • At What Temperature Does Ice Melt?

    Q: At What Temperature Does Ice Melt?

    A: Ice begins to melt when its surroundings rise above its freezing point, that being 32 degrees Fahrenheit (0 degrees Celsius). Depending on the salt content and the presence of other substances, that freezing point may be an even lower temperature.
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  • What Are Some Examples of Matter?

    Q: What Are Some Examples of Matter?

    A: All physical objects, such as stars, books, people, animals, plants and the sea, are examples of matter. Matter is any physical object that occupies space and has mass.
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  • How Does Gas Become a Liquid?

    Q: How Does Gas Become a Liquid?

    A: The process of a gas changing to a liquid is called condensation, and for condensation to take place, the environment has to reach maximum vapor pressure, generally through a lowering of temperature in the case of the water cycle. Because pressure varies inversely with temperature, as temperature decreases, pressure goes up, causing the gas molecules to move with progressively less kinetic energy. Eventually, liquid vapor and droplets form, and the gas begins to condense.
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  • How Does Matter Change From One State to Another?

    Q: How Does Matter Change From One State to Another?

    A: An element's state changes depending on its temperature and the pressure exerted on it. Heating or cooling an element can cause it to change states. Adding or removing pressure can do so as well.
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  • What Is the Boiling Point of Distilled Water?

    Q: What Is the Boiling Point of Distilled Water?

    A: The boiling point of distilled water is 100 degrees Celsius or 212 degrees Fahrenheit. The boiling point of water can be higher or lower depending on several factors.
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