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Chemistry, 24.09.2019 20:00, lieunekop8fm90
If we approximate the atmosphere to be 78% nitrogen (n2) (by volume), 21% oxygen (02), an 196 argon (ar), estimate the density of air (in kg m3) at stp conditions (0 c, 1 atm).
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Chemistry, 23.06.2019 00:50, alainacorkell6472
What is the enthalpy of combustion (per mole) of c4h10 (g)? β2,657.5 kj/mol β5315.0 kj/mol β509.7 kj/mol β254.8 kj/mol
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Chemistry, 23.06.2019 01:30, jonmorton159
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.
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If we approximate the atmosphere to be 78% nitrogen (n2) (by volume), 21% oxygen (02), an 196 argon...
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