How to calculate the amount of gas in a compressed cylinder
2015年4月15日 · I am trying to calculate a cost per hour use of a gas we buy in a cylinder. The details I have been working with are: Gas used CP-grade N2 material number: 110628-L can …
thermodynamics - Why do cars not run on hydrogen and oxygen ...
2025年1月18日 · People are trying to make it work. The problem is that hydrogen has a low energy density. While typical gasoline has around 30 Megajoules of energy per liter, liquid …
How do you calculate the equilibrium constant with the …
2016年10月26日 · The following information is also given: $2.000\ \mathrm{mL}$ of a $0.00200\ \mathrm{M}$ solution of $\mathrm{KSCN}$ with $5.00\ \mathrm{mL}$ of $0.00200\ …
chromatography - What order would these compounds elute in a …
2020年2月18日 · Making predictions about elution order is always guesswork but based on my experience I would expect acetic acid to streak off the baseline, The benzyl alcohol to be of …
organic chemistry - How does the polarity of the eluent and …
2017年2月26日 · A three-component mixture (X, Y, Z) was separated using normal phase TLC. Three eluents of varying polarity were used. Select the TLC plate that was developed using …
kinetics - Calculation of the specific rate constant (k) - Chemistry ...
2014年2月26日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …
Diffusion/Streaky bands on TLC plate - Chemistry Stack Exchange
2017年6月8日 · 3. Solvent system. Although you say that "this solvent system has been used to run similar wax extracts", its always worth trying different eluents with your chromatography, …
biochemistry - How do I interpret the results of this DNA gel ...
2023年10月9日 · This run was meant to be a sort of mock-forensics experiment. There is DNA from the "crime scene", "suspect 1", and "suspect 2". There are 3 samples from each, one is …
organic chemistry - NH protons not appearing in H NMR …
2023年1月31日 · If you have integrated that peak, you'd see the integration value is more than 3-protons of the real compound. That means your compound is really wet when you take the …
Convergence issue in Gaussian - Chemistry Stack Exchange
2016年8月29日 · $\begingroup$ But even if you include the Opt keyword in frequency calculations for an already optimized input geometry it would not harm: the program will just run 1 …