Which ones are physical changes, chemical changes, physical properties and chemical propertoes
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Physics, 09.10.2019 04:50 ooooooo828282828
Which ones are physical changes, chemical changes, physical properties and chemical propertoes
Answers: 1
Physics, 22.06.2019 06:30
Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.
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Physics, 22.06.2019 08:30
The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.
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Physics, 22.06.2019 10:30
Find the magnetic field a distance r from the center of a long wire that has radius a and carries a uniform current per unit area j in the positive z direction.
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Physics, 22.06.2019 11:30
Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?
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