Chemistry
Chemistry, 22.08.2019 02:40, glander2

During physical changes ,matter always retains its

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Physics, 28.07.2019 18:30, mooncake9090
Which statement about matter is true? a. all matter has unique physical properties. b. all matter has a positive or negative charge associated with it. c. all matter has physical properties that can be used to describe it. d. all matter has the ability to change states without undergoing a change in its physical properties.
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Physics, 28.07.2019 18:30, vanleervanleer
Which statement about the chemical properties of matter is true? a. chemical properties of matter do not change if the state of matter changes. b. chemical properties of matter can be applied to liquids and gases but not to solids. c. chemical properties of matter can vary according to temperature. d. chemical properties of matter cannot be determined from the composition of matter alone. which characteristic determines the chemical properties of matter? a. the physical state of matter b. the physical properties of matter c. how many different elements are present in matter d. how the elements in matter react with other elements
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English, 19.10.2019 23:30, joynerjaila
Passage #1 - chemical and physical changesall matter, all things can be changed in two ways: chemically and physically. both chemical and physicalchanges affect the state of matter. physical changes are those that do not change the make-up or identitymatter. for example, clay will bend or flatten if squeezed, but it will still be clay. changing the shape of claya physical change, and does not change the matter's identity. chemical changes turn the matter into a new kindof matter with different properties. for example, when paper is burnt, it becomes ash and will never be paperagain. the difference between them is that physical changes are temporary or only last for a little while, andchemical changes are permanent, which means they last forever. physical and chemical changes both affect thestate of matter.what is this? cause and effect,problem and solution chronological,sequence
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Physics, 20.10.2019 09:30, kyleighott
Which statement about the physical properties of matter is true? (15) a. physical properties of matter stay the same throughout all phases of matter. b. physical properties of matter only apply to the appearance of matter. c. physical properties change without changing the chemical properties of matter. d. physical properties of matter affect the chemical properties of matter.
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