Chemistry, 25.10.2020 01:00 ashvinmsingh
radioisotope cobalt 60, half life 5.3 years has activity of 12,400 cmp how much time has passed if the activity of the sample has dropped to 775 cpm
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Chemistry, 22.06.2019 00:30
What does x represent in the formula for the compound xcl4?
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Chemistry, 22.06.2019 07:20
2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here
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Chemistry, 22.06.2019 11:20
Sodium nitrite (nano2) reacted with 2βiodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.
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Chemistry, 22.06.2019 20:30
What is a difference between a mixture of elements and a mixture of compounds
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radioisotope cobalt 60, half life 5.3 years has activity of 12,400 cmp how much time has passed if t...
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