A catalyst is:
a chemical found in leaves
a chemical which promotes a chemical reaction
...
Chemistry, 23.05.2021 21:20 KHaire6856
A catalyst is:
a chemical found in leaves
a chemical which promotes a chemical reaction
a chemical which reacts with sunlight
a cell with chlorophyll
Answers: 2
Chemistry, 22.06.2019 07:30
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
Chemistry, 22.06.2019 22:30
You just calculated that the heat of fusion for chloromethane is 6400 j/mol. the heat of fusion for hydrogen is 120 j/mol.? which of the following account for this difference? more than one correcta. chloromethane can absorb more energy at the same temperature. b. hydrogen has stronger intermolecular forces than chloromethane. c. hydrogen molecules can pack more closely than chloromethane molecules. d. chloromethane experiences dipole-dipole interactions. e. chloromethane has a higher molar mass than hydrogen.
Answers: 3
Chemistry, 23.06.2019 00:30
What is the chemical formula of magnesium bromide? a. mgbr2 b. mgbr c. mg2br2 d. mg2br
Answers: 3
Chemistry, 23.06.2019 10:30
Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol
Answers: 3
Mathematics, 30.10.2020 06:00
Mathematics, 30.10.2020 06:00
Mathematics, 30.10.2020 06:00
Medicine, 30.10.2020 06:00
Mathematics, 30.10.2020 06:00
Mathematics, 30.10.2020 06:00
Mathematics, 30.10.2020 06:00
History, 30.10.2020 06:00
Law, 30.10.2020 06:00
Mathematics, 30.10.2020 06:00
Chemistry, 30.10.2020 06:00
English, 30.10.2020 06:00