Which pairs of matter demonstrate the law of conservation?
* a structure made of buildi...
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
* 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 one gram of salt mixed in
* a lump of clay
* an identical lump added to the original
* one apple
* the same apple cut into slices
Answers: 3
Chemistry, 22.06.2019 13:30
Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?
Answers: 3
Chemistry, 22.06.2019 15:30
Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.
Answers: 2
Chemistry, 22.06.2019 18:50
Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space
Answers: 3
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