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100.0cm3 of
determine the residual gas when 20.0cm³ of hydrogen was sparked 15.0cm³ of oxygen and the resulting mixture cooled at room
1 answer
asked by
peter
538 views
determine the volume of the residual gas at 20.0cm³ of hydrogen was sparked with 15.0cm³ of oxygen and the resulting mixture
1 answer
asked by
chibuzor
469 views
HA and HB are two strong monobasic acids.
25.0cm3 of 6.0moldm–3 HA is mixed with 45.0cm3 of 3.0moldm–3 HB. What is the H+(aq)
4 answers
asked by
Anna
8,315 views
In an experiment,20.0cm³ of a solution containing 4gdm-³ of sodium hydroxide was neutralized by 8.0cm³ of dilute
1 answer
asked by
Pearl
256 views
In a titration if 25.0cm3 of a 0.01moldm3 sodium hydroxide solution required 10.0cm3 of a tetraoxosulphate(vi)acid solution for
1 answer
69 views
Pure ethanoic acid (25.0cm3, CH3COOH), pure ethanol (35.0 cm3, C2H5OH) and pure water (20.0cm3, H2O) were mixed in a sealed
2 answers
asked by
Henry
1,063 views
Subject – equilibria
Pure ethanoic acid (25.0cm3, CH3COOH), pure ethanol (35.0 cm3, C2H5OH) and pure water (20.0cm3, H2O) were
3 answers
asked by
yaya
1,162 views
please I and my friend has been trying this one.
If there there are 2.7*10^19 molecules are there in 1.0cm3 of a gas at 273k and
2 answers
asked by
Bill
538 views
If there there are 2.7*10^19 molecules are there in 1.0cm3 of a gas at 273k and pressure 1.0*10 ^5Pa. How many molecules are
1 answer
asked by
Henryo
435 views
In a titration if 25.0cm3 of a 0.01moldm3 sodium hydroxide solution required 10.0cm3 of a tetraoxosulphate(vi)acid solution for
1 answer
75 views