Chemistry, 05.07.2019 06:30 moutchyjoseph
Anew element -- quickly named swiforskium by the scientific community -- is discovered. this element is found to have two isotopes. 86.4% of all swidorskium atoms are swidorskium-428 and 13.6% are swidorskium-433. what is the atomic mass of this element? show your work.
Answers: 1
Chemistry, 22.06.2019 04:30
When the water vapor cools it condenses select a number that represents his process on the
Answers: 3
Chemistry, 22.06.2019 17:00
The msds for glacial acetic acid says that it is a flammable liquid that can severely burn any human tissue it comes in contact with. it reacts with bases, various metals, and strong oxidizing agents. its vapors can form explosive mixtures with air.
Answers: 1
Chemistry, 23.06.2019 01:30
At a certain temperature the rate of this reaction is first order in hi with a rate constant of : 0.0632s2hig=h2g+i2g suppose a vessel contains hi at a concentration of 1.28m . calculate how long it takes for the concentration of hi to decrease to 17.0% of its initial value. you may assume no other reaction is important. round your answer to 2 significant digits.
Answers: 1
Chemistry, 23.06.2019 06:00
Which factor is likely to impact the possible number of compounds? presence of unlimited number of elements in the periodic table the inability of atoms to align perfectly with other atoms the ability of all elements to react with every other element all elements being equally reactive
Answers: 2
Anew element -- quickly named swiforskium by the scientific community -- is discovered. this element...
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