Chemistry, 07.01.2021 01:00 LHawk35531
Which phrase describes a feature of igneous rocks that cool quickly during formation?
small crystals
coarse surfaces
found beneath Earth’s surface
exposed after erosion occurs
Answers: 1
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Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.
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Chemistry, 22.06.2019 09:00
Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?
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What is the most important factor in determining climates.
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Chemistry, 22.06.2019 20:30
The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
Answers: 3
Which phrase describes a feature of igneous rocks that cool quickly during formation?
small crystal...
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