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Chemistry, 22.06.2019 02:00
How many moles of magnesium is 3.01 x10^22 atoms of magnesium?
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Chemistry, 23.06.2019 02:30
What role does weathering have in shaping earth’s surface? a) it allows sediments to fall out of a medium. b) it sediments settle on a new surface. c) it breaks down older material into sediments. d) it transports sediments to a different location. will give brainliest, answer quickly.
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Chemistry, 23.06.2019 05:50
Which of the following isotopes has the same number of neutrons as phosphorus-31?
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Chemistry, 23.06.2019 23:00
2.50 mol nocl was placed in a 2.50 l reaction vessel at 400ºc. after equilibrium was established, it was found that 28% of the nocl had dissociated according to the equation 2nocl(g) picture 2no(g) + cl2(g). calculate the equilibrium constant, kc, for the reaction.
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