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determine the residual gas when 20.0cm³ of hydrogen was sparked 15.0cm³ of oxygen and the resulting mixture cooled at room
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2. asked by peter
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determine the volume of the residual gas at 20.0cm³ of hydrogen was sparked with 15.0cm³ of oxygen and the resulting mixture
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2. asked by chibuzor
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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)
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2. asked by Anna
3. 8,368 views
In an experiment,20.0cm³ of a solution containing 4gdm-³ of sodium hydroxide was neutralized by 8.0cm³ of dilute
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2. asked by Pearl
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In a titration if 25.0cm3 of a 0.01moldm3 sodium hydroxide solution required 10.0cm3 of a tetraoxosulphate(vi)acid solution for
1. 1 answer
2. 112 views
Pure ethanoic acid (25.0cm3, CH3COOH), pure ethanol (35.0 cm3, C2H5OH) and pure water (20.0cm3, H2O) were mixed in a sealed
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2. asked by Henry
3. 1,141 views
Subject – equilibriaPure ethanoic acid (25.0cm3, CH3COOH), pure ethanol (35.0 cm3, C2H5OH) and pure water (20.0cm3, H2O) were
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2. asked by yaya
3. 1,227 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
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2. asked by Bill
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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
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2. asked by Henryo
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In a titration if 25.0cm3 of a 0.01moldm3 sodium hydroxide solution required 10.0cm3 of a tetraoxosulphate(vi)acid solution for
1. 1 answer
2. 121 views