Chemistry, 30.01.2021 01:50 bossefamily1
2. What is the empirical formula for a compound that contains 10.52g Ni, 4.38g C and 5.10g N? {Ni(CN);}
Answers: 3
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What is the composition, in atom percent, of an alloy that consists of 4.5 wt% pb and 95.5 wt% sn? the atomic weights for pb and sn are 207.19 g/mol and 118.71 g/mol, respectively.(a) 2.6 at% pb and 97.4 at% sn(b) 7.6 at% pb and 92.4 at% sn(c)97.4 at% pb and 2.6 at% sn(d) 92.4 at% pb and 7.6 at% sn
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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 05:30
Based on the formulas, select the compounds below that are covalent: kbr sif4 al2o3 co2 naco3 s7o2 pcl3 fe3n2 h2o s2f10
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Chemistry, 23.06.2019 09:30
Need , hurry pls create a superhero out of the element iron, what are its powers and his sidekick ( an element that works well with iron). how was the superhero made and who discovered him
Answers: 3
2. What is the empirical formula for a compound that contains 10.52g Ni, 4.38g C and 5.10g N? {Ni(CN...
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