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What fraction of a sample of 6832ge, whose half-life is about 9 months, will remain after 2.9 yr ?
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Which of the following mining methods disrupts the sea floor?
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Chemistry, 21.06.2019 19:00
Describe the chemical reaction based on the chemical equation below. also, explain whether the equation is balanced.
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Chemistry, 22.06.2019 00:30
Used the balanced equation 2h2+ o2 - -> 2h2o. if you have 7.2 grams of o2 , how many grams of h2o can you produce ?
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Chemistry, 22.06.2019 01:00
The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?
Answers: 3
What fraction of a sample of 6832ge, whose half-life is about 9 months, will remain after 2.9 yr ?...
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