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- '@AtGraphic 130,200
- '@Picture AEA20_02.bmp
- @At 122,15
- The experiment was performed twice once with each of the oxides.
- #bThe results are shown below. #b
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- @AtGraphic 204,54
- @Picture AEA20_10.bmp
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- @At 268,156
- #b#crComplete the table below.
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- @AtGraphic 206,178
- @Picture AEA20_09.bmp
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- '@AtGraphic 171,227
- '@Picture AEA20_04.bmp
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- @At 416,219
- #[N36]
- @At 416,247
- #[N36]
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- '@Answer 0.8,0.4
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- '@Feedback Wrong
- '#bNo#b, subtracting the mass of copper from the mass
- 'of copper oxide gives you the mass of oxygen.
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- '@Animation BoseGrim
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- '@Feedback Correct
- '#bYes#b, subtracting the mass of copper from the mass
- 'of copper oxide gives you the mass of oxygen.
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- '@Animation BoseSmile
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- @Prompt
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- @At 120,289
- We can see from these results that there is twice as much
- oxygen in the black oxide as in the red oxide.
- @At 120,331
- John Dalton found that :
- #bwhere two elements form more than one compound the ratios
- of one element to the other were always simple multiplications#b
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- @PlaySoundFile AEA20_03.wav
- @WaitForSoundToFinish
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