2017年7月18日 · KIT-6 is a mesoporous silica, the chemical formula is the same for all silica which is $\ce{(SiO2)_n}$. The tridimensional structure though is usually represented as Share

2015年8月19日 · Because of the hydroxyl groups and oxygen atoms, there are 38 distinct conformations (2 chairs, 6 boats, 6 skew-boats, 12 half-chairs, and 12 envelopes). From …

2017年7月20日 · 6. How do zeolites catalyse the cracking of hydrocarbons? 12. What is the chemical formula of KIT-6? 1.

2016年7月20日 · As elemental bromine is less widely used than elemental mercury, designated spill kits for bromine are less widely available, but the procedure is generally the same: spread …

2016年9月29日 · I would like to measure the dissolved carbon dioxide content of a sample of water. I was thinking that conductivity might change with carbon dioxide level, and also pH.

2017年8月1日 · You can use GChemPaint, which is available on the repositories of many popular distributions.Among its many components for drawing structures, it has a specific tool for …

edited Nov 6, 2017 at 23:58. Tomáš Zato. 2,548 4 4 gold badges 40 40 silver badges 58 58 bronze badges.

2015年12月5日 · Calculations below indicate that the pH is estimated as 6.24, so if we regard pH between 6 and 8 as essentially neutral, then 0.1 M magnesium chloride solution would be in …

2014年4月26日 · Thus, when applied to book-examples, which $\text{p}K_\ce{a}$ values from 3 to 6, and the concentrations from $1.0$ to $\pu{1.0E-4 mol L-1}$, the assumptions are valid and …

2017年9月24日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …