cameroon gce advanced level June 2022 chemistry 2
cameroon gce advanced level June 2022 chemistry 2
1 . (a) Hydrogen peroxide decomposes according to the equation
2H202(aq) 2H20(1) + 02(g)
The reaction is first order with respect to hydrogen peroxide and is catalyzed by manganese (IV) oxide
( i) Sketch in the space below, the change in concentration (y–axis) of hydrogen peroxide with time (x–axis)
1 . (a) Hydrogen peroxide decomposes according to the equation
2H202(aq) 2H20(1) + 02(g)
The reaction is first order with respect to hydrogen peroxide and is catalyzed by manganese (IV) oxide
( i) Sketch in the space below, the change in concentration (y–axis) of hydrogen peroxide with time (x–axis)
(e) Covalent bonds, ionic bonds and intermolecular forces are building forces in substances,
( i) Define
A: Covalent bond J
B: Ionic bond
(ii ) Identify the types of intermolecular forces in each of the following substancess
(e) Covalent bonds, ionic bonds and intermolecular forces are building forces in substances,
( i) Define
A: Covalent bond J
B: Ionic bond
(ii ) Identify the types of intermolecular forces in each of the following substancess
6. (a) An organic compound, Y, on analysis was found to contain 35.0% carbon, 6.6% hydrogen and 58.4% bromine.
Molecular weight determination of the compound gave a value of 136.9. (R.A.M: C = 12, H = 1, Br = 79.9)
( i) Calculate the empirical formula of the compound.
Alaina
March 16, 2023
It's great what the application is doing for us. They are of great help
Jenny
March 30, 2023
It is maverlous A grade is asure
B0rga
October 27, 2023
Nice
Alane
February 24, 2024
I am fine
Stephen
May 26, 2024
👍👍👍👍🏼