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If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a
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Chemistry, 22.06.2019 10:00
Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
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Jill is pushing a box across the floor. which represents the upward force perpendicular to the floor? a) fp b) ff c) fn d) fg
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Chemistry, 23.06.2019 15:30
What is the predicted change in the boiling point of water when 1.50 g of barium chloride is dissolved in 1.50 kg of water?
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What is the mass of aluminium of 306 g of aluminium oxide...
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