Although objects can go through physical and changes, the amount of matter in those objects remains the same. this is known as the law of conservation of matter. matter can be broken into smaller pieces, dissolve in liquids, change physical states, and undergo other changes while still conserving its mass. which pairs of matter demonstrate the law of conservation? * a structure made of building blocks * the blocks of the same structure bundled in a pile with the extra binding material * a snowman * the melted remains of the same snowman * a lump of clay * the same lump broken into three pieces * 1 cup of water and one gram of salt, separated * the same cup of water with two grams of salt mixed in * a lump of clay * an identical lump added to the original * one apple * the same apple cut into slices submit an
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Physics, 22.06.2019 05:00
He viscosities of several liquids are being compared. all the liquids are poured down a slope with equal path lengths. the liquid with the highest viscosity will
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Physics, 22.06.2019 12:50
The vapour pressure of benzene is 53.3 kpa at 60.6 °c, but it fell to 51.5 kpa when 19.0 g of a non-volatile organic compound was dissolved in 500 g of benzene. calculate the molar mass of the compound.
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Physics, 22.06.2019 18:30
Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.
Answers: 1
Although objects can go through physical and changes, the amount of matter in those objects remains...
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