Chemistry, 10.10.2021 14:00 natasniebow
Nêu công thức tính các loại nồng độ thường sử dụng trong hóa phân tích? Giải thích từng đại lượng trong công thức ?
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Chemistry, 22.06.2019 18:40
What is the binding energy of a nucleus that has a mass defect of 5.81*10-^29 kg a 5.23*10-^12 j b 3.15* 10^12 j c 1.57*10-3 j d 9.44*10^20 j
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Chemistry, 22.06.2019 20:40
What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.
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The bone of a dinosaur and the imprint of a leaf are examples of which kind of fossils? a) index b) body c) amber d) trace
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Nêu công thức tính các loại nồng độ thường sử dụng trong hóa phân tích? Giải thích từng đại lượng tr...
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