Chemistry, 13.07.2019 16:00 meadowsoares7
The half-life of na-24 is 15 hours . when there are 1000 atoms of na-24 in a sample , a scientist starts a stopwatch . the scientist stops the stopwatch at 45 hours , there are atoms of na-24 remaining
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Chemistry, 22.06.2019 07:10
Remember to use the proper number of significant figures and leading zeros in all calculations.gelatin has a density of 1.27 g/cm³. if you have a blob of gelatin dessert that fills a 2.0 liter bottle, what is its mass? 2540 g2500 g3.9 x 10-43.937x 10-4
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Chemistry, 22.06.2019 14:40
Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d
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Chemistry, 22.06.2019 22:30
What if it is did darwin used to support his theory of evolution
Answers: 1
The half-life of na-24 is 15 hours . when there are 1000 atoms of na-24 in a sample , a scientist st...
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