Chemistry, 14.07.2021 05:50 kmmjones6108
In 2021, you were given a 100. g wine sample to verify its age. Using tritium dating you observe that the sample has 0.688 decay events per minute. Tritium has a half life of 12.3 and fresh water exhibits 5.5 decay events per minute per 100. g. What year was the wine produced
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The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?
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Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.
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The data below were determined for the reaction shown below. s2o82β + 3i β (aq) β 2so42β + i3β expt. # [s2o82β] (m) [i β] (m) initial rate 1 0.038 0.060 1.4 Γ 10 β 5 m/s 2 0.076 0.060 2.8 Γ 10 β 5 m/s 3 0.076 0.030 1.4 Γ 10 β 5 m/s the rate law for this reaction must be:
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The bohr model of the atom explained why emission spectra are discrete. it could also be used to explain the photoelectric effect. which is a correct explanation of the photoelectric effect according to the model?
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In 2021, you were given a 100. g wine sample to verify its age. Using tritium dating you observe tha...
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