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Chemistry, 22.06.2019 14:00
8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
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Chemistry, 23.06.2019 00:00
How many atoms or molecules are there in a mole of a substance?
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Chemistry, 23.06.2019 13:00
If volume remains the same while the mass of a substance the density of the substance
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Chemistry, 23.06.2019 13:00
Which of the following statements is true about both nuclear fusion and nuclear fission? they occur in the sun. heavy atoms are split. two light nuclei combine. some mass changes into energy.
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Mathematics, 12.06.2020 01:57
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