![Chemistry](/tpl/images/cats/himiya.png)
Chemistry, 26.11.2020 07:40, kookycookiefanx
Why is NH3 not dried over conc H2SO4 and anhydrous CaCl2 ?
![answer](/tpl/images/cats/otvet.png)
Answers: 1
Other questions on the subject: Chemistry
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 07:30, SchoolFirst9811
The scheme below is from a series of reactions that are part of a synthesis of vitamin a. answer the following questions with reference to this scheme. (i) what is "reagent a"? (ii) draw a step-by-step mechanism which explains the formation of compound c from compound b (iii) which reagents would you use to form compound e from compounds c and d (reagents b and c)? for each reagent suggested above in (ii) explain the role of the reagent in the reaction to (iv) form compound e. you may wish to do this by drawing a mechanism. 1. addition of reagent a но reagent a 2. н, о" thо oh нон-с compound a. compound b. compound c .ch-оh 1. reagent b "сно 2. reagent c сh oh compound e. compound d.
Answers: 2
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 14:30, emilymartinez75
Need ! asap will mark 10 pts using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers
Answers: 1
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 22:30, kiera2599
3.09 lab: reaction of metals 1 which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.
Answers: 1
![image](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 02:50, igraha17
Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ
Answers: 2
Do you know the correct answer?
Why is NH3 not dried over conc H2SO4 and anhydrous CaCl2 ?...
Questions in other subjects:
![Konu](/tpl/images/cats/istoriya.png)
History, 04.04.2020 22:45
![Konu](/tpl/images/cats/mat.png)
Mathematics, 04.04.2020 22:45
![Konu](/tpl/images/cats/mat.png)
Mathematics, 04.04.2020 22:45
![Konu](/tpl/images/cats/fizika.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 04.04.2020 22:45
![Konu](/tpl/images/cats/istoriya.png)
History, 04.04.2020 22:45
![Konu](/tpl/images/cats/en.png)
English, 04.04.2020 22:45
![Konu](/tpl/images/cats/en.png)
English, 04.04.2020 22:45
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 04.04.2020 22:45