Chemistry, 16.07.2019 15:20 Dariana123
What do we mean by the half-life of a radioactive isotope?
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The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true
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According to le chatelier’s principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that reduces the stress. normalizes the stress. increases the stress. changes the stress.
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Chemistry, 22.06.2019 21:20
40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume
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What do we mean by the half-life of a radioactive isotope?...
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