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- @AtGraphic 130,100
- '@Picture AEC30_01.bmp
- @At 135,15
- When calcium carbonate is heated it decomposes to produce
- calcium oxide and carbon dioxide.
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- When 5g of calcium carbonate is heated what volume of carbon
- dioxide will be produced?
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- @PlaySoundFile AEC30_01.wav
- @WaitForSoundToFinish
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- @Prompt
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- @At 132,108
- 1st step write the equation #[N36]
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- '@Answer 1
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- '@Feedback Wrong
- '#bNo#b, calcium carbonate breaks down to produce
- 'calcium oxide and a molecule of carbon dioxide.
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- '@Animation BoseGrim
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- '@Feedback Correct
- '#bCorrect!#b
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- '@Animation BoseSmile
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- @Question
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- @Prompt
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- @At 130,131
- Step 2 Calculate the RMM of the reactant
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- RMM of CaCO3 #^= #[N36] + #[N36] + (#[N36] x #[N36]
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- #t= #[N36]
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- '@Answer 40,12,3,16,100
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- '@Feedback Wrong
- '#bNo#b, have a look at the RAMs of the constituent
- 'elements then check your addition.
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- '@Animation BoseGrim
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- '@Feedback Correct
- '#bCorrect!#b
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- '@Animation BoseSmile
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- @Question
- @Prompt
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- @At 128,213
- Step 3 Calculate the number of moles of the reactant
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- No of moles = #^mass = #^5 = #[N36]
- #tRMM #t#[N36].
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- '@Answer 100,0.05
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- '@Feedback Wrong
- '#bNo#b, to calculate the number of moles
- 'you should divide the mass by the RMM.
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- '@Animation BoseGrim
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- '@Feedback Correct
- '#bCorrect!#b
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- '@Animation BoseSmile
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- @Question
- @Prompt
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- @At 135,284
- Step 4 Work out the mole ratio
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- Mole ratio of CaCO3 to CO2 = #[N36]:#[N36]
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- '@Answer 1,1
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- '@Feedback Wrong
- '#bNo#b, looking at the equation the mole ratio is 1 : 1
- '@Animation BoseGrim
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- '@Feedback Correct
- '#bCorrect!b
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- '@Animation BoseSmile
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- @Question
- @Prompt
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- @At 135,320
- Step 5 Work out how many moles of the product there will
- be.No of moles of CO2 = #[N36]
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- @Question
- @Prompt
- @At 132,359
- Step 6 Calculate the volume of gas
- Volume of CO2 = #[N36] x 24 = #[N36]dm3
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- @Prompt
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- @PlaySoundFile AEC30_04.wav
- @PlaySoundFile AEC30_05.wav
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- @Prompt
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