Physics

Physics, 02.08.2019 01:30, winterblanco

Vapor condensing is an example of a a. physical change b. chemical change c. physical property d. chemical property

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Social Studies, 04.07.2019 07:00, neolmar9329

1: which of these is a chemical property of a substancereactivitycolor boiling pointmelting point2: what does the release or absorption of energy indicate physical change chemical changephysical and chemical changesneither physical nor chemical changes3: which of these is an example of a physical changebreaking bread baking bread digesting breadtoasting bread 4: which of these is an example of a chemical change cutting breadspreading peanut butterdigesting a sandwich stirring jelly5: which of these is an example of a chemical change fireworks exploding grinding powdermelting cheese ironing a shirt

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Chemistry, 09.07.2019 16:00, BaileyElizabethRay

Both the physical and chemical properites of a substance can change when a substance undergoes a chemical reaction. when a log is burned, a chemical reaction occurs. the log is transformed into ash, water vapor, and carbon dioxide. the log is flammable, or able to be burned, in its original form. once the log is burned, however, the ashes that are produced are no longer flammable. the volume of the log also changes when it changes into ash and gas. volume is a property. flammability is a property. a. chemical; physical b. physical; physical c. physical; chemical urgent time limit 84pts

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Chemistry, 27.07.2019 21:20, mathman783

Afuel scientist burnt a piece of coal and a piece of wood to compare the amount of heat given off by each. which is the correct match of the type of change happening and the property being tested during the process? physical change; chemical property flammability physical change; physical property of flammability chemical change; physical property of heat of combustion chemical change; chemical property of heat of combustion

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Chemistry, 24.09.2019 00:20, RandomLollipop

Identifying physical and chemical changes.matter has both physical and chemical properties and can undergo physical or chemical changes. physical properties are those that a substance displays without changing its composition, whereas chemical properties are evident only during a chemical change (also called a chemical reaction). in contrast, when a substance undergoes a physical change, it may change appearance, but not its composition.part a: classify each of the changes as a physical change or a chemical change.part b: classify each of the properties as a physical property or a chemical property.

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