Chemistry, 29.10.2019 04:31 lilianjoyful
Which substance can not be broken down by a chemical change? (1) ammonia (2) methanol (3) propane (4) phosphorous
Answers: 2
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Which position represents spring in the southern hemisphere? a) b) c) d)
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Chemistry, 22.06.2019 10:50
An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons
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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
Which substance can not be broken down by a chemical change? (1) ammonia (2) methanol (3) propane (4...
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