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Inorganic Chemistry
How can you find the theoretical yield when given two masses?
Inorganic Chemistry
1 Write down the Hydrolysis reaction for acetic acid (CH3COOH)
2 Write the equilibrium expression of these reaction(Ka)
3 Calculate the pH of 0.1M solution of acetic acid
2 Write the equilibrium expression of these reaction(Ka)
3 Calculate the pH of 0.1M solution of acetic acid
Inorganic Chemistry
Which of the following is Lewis acid
co2
cl-
ph3
ch2=ch2
Inorganic Chemistry
For the reaction 4NH3(g) + 3O2(g)= 2N2(g)+ 6H2O(l), ∆H<0. How will the amount of ammonia at equilibrium be affected by
1 Removing O2
2 Adding N2
3 Adding H2O
4 Decreasing the pressure
5 increasing the temperature
1 Removing O2
2 Adding N2
3 Adding H2O
4 Decreasing the pressure
5 increasing the temperature
Inorganic Chemistry
2Ca3(PO4)+ 6SiO2+ 10C = P4+10CO+6CaSiO3
How many grams of calcium phosphate are required to give 5g of P4
How many grams of calcium phosphate are required to give 5g of P4
Inorganic Chemistry
The haemoglobin molecule is designed to transport oxygen around the body. With reference to the different levels of organisation of polypeptides explain how this molecule achieves its function.
Inorganic Chemistry
Calculate the mass of ferric oxide (FeO3) that will be produced by complete oxidation of 100g of Iron
Inorganic Chemistry
If 300g of iron pyrites is burned in 200g of O2,143 of ferric oxide is produced.What is the percentage yield of ferric oxide?
Inorganic Chemistry
Animal cells are surrounded by a cell plasma membrane which apart from protecting the cell contents also moderates what enters and leaves its internal environment.
Describe and explain clearly how the cell transports the following substances across the membrane :
i) water
ii) sodium and potassium ions
iii) glucose
iv) enzymes to be used by other cells in the body
Inorganic Chemistry
if 30 g of calcium carbonte react with 20 g of HCl, how many grams of CO2 will produce?
