Chemical and Physical Properties

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Questions

• Question #cd9cd
• Question #cd9d1
• How do the physical properties of molecules with strong intermolecular forces compare with those of molecules with weak attractive forces?
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• Question #cd9d5
• Question #f13a6
• Question #fb1e8
• Question #fd73d
• Is conductivity a physical or a chemical property?
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• Question #14e86
• How does detergent change the physical properties of water?
• How does adding salt change the physical properties of water?
• How can physical properties be used to separate a mixture?
• Do chemical properties change when water boils?
• What is the difference between a physical and a chemical property?
• Question #a56b9
• Can the flammability of ethyl alcohol be reduced?
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• Question #70732
• How does the chemical properties of water effect polar bears?
• Question #c0d02
• What type of a property is the color of rust?
• Are there changes in the physical and chemical properties of a substance when it undergoes a physical change? Is the same true for chemical changes?
• What effect does observing a substances physical properties have on the substance?
• Question #8a91f
• If you find an element in nature in its pure elemental state, what can you infer about the element's chemical reactivity?
• Question #8d5ab
• Is copper ductile or brittle?
• Which of the following elements would be best suited for electrical wiring: gold, sulfur, or neon?
• Question #5e99f
• What physical property is identical for the isomers of #C_5H_12# and #C_6H_14#?
• What type of attractive force must be overcome in order to melt the following in their solid state?
• What is #P_2O_5#?
• What is the reactivity trend of halides?
• What are physical properties of lithium?
• What are pure substances?
• Is the molar volume a physical or chemical property?
• What physical property is identical for the isomers of #C_5H_12# ?
• Why can the samples of platinum and copper have the same extensive properties but not the same intensive properties?
• How would you distinguish between a physical property and a chemical property, giving an example of each?
• What are two physical properties that characterized matter?
• What is a substance formed by the chemical combination of two or more elements in definite proportions?
• Where are chemicals found?
• Which ingredient (chemical) gives soda pop its fizz?
• Which of these changes involved a physical change and not a chemical change?
• Water and hydrogen and peroxide (#H_2O_2#) both consists of hydrogen oxygen atoms. Why do they have different chemical and physical properties.?
• How would you contrast intensive and extensive physical properties?
• How is hydrogen peroxide antimicrobial?
• Consider various effects of moist and dry heat to control microbial growth. What methods would best reduce microbes without altering the taste and chemical composition of beer?
• State the difference between a physical change and a chemical change, and list three indications that a chemical change has occurred. Which indication is most suggestive of a chemical reaction?
• What is an example of a chemical property of water?
• Question #95d28
• Is luster a chemical or physical property?
• Is hardness a physical or chemical property?
• Is bitter taste physical or chemical?
• What is the process when a substance conceived to lose electrons?
• How would we identify an unknown metal?
• What are the chemical and physical properties of calcium that are described in the following paragraph?
• Is an endothermic process an example of a physical or chemical change?
• What is the difference between the physical properties and the chemical properties of a substance?
• What is the difference between water and hydrogen peroxide?
• Question #73a5b
• What does a dosage tell you about a chemical?
• Question #57a99
• What property is measured by a ruler?
• A person gets cooler by perspiring. Is this a chemical or physical change?
• What physical property can be shown by scratching one material with another?
• What are indicators that a chemical change has taken place?
• Question #5ae83
• A chemist dissolved crystals of an unknown substance into water at room temperature. He found that 33 g of the substance can be dissolved into 100 mL of water. What property of the unknown substance was the chemist most likely investigating?
• What does it mean if a chemical or physical property is periodic?
• When a match stick turns to ash while burning is it a chemical or physical change?
• How does adding salt water to fresh water alter the fresh water's physical properties?
• How do freezing point, boiling point, and vapor pressure for the solvent change upon addition of a solute?
• Specific heat is a physical property. ls it intensive or extensive?
• How are new chemical properties, and principles discovered?
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• Question #57d55
• Question #5d72c
• Acetone has a boiling point of 123 °c. Is that chemical or physical?
• Is density a physical property or a chemical property?
• On a cold winter day, why does a steel metal fence post feels colder than a wooden fence post of identical size?
• Why do dry sodium chloride and the solutions of sodium nitrate and sodium chloride all impart the same color to the flame?
• What are examples of physical property?