Cรก mhรฉad mรณl atรก in 240 gram de hiodrocsaรญd sรณidiam?
6
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15
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15
Mรญnigh cad chuige ar fรฉidir cur sรญos a dhรฉanamh ar an leathchothromรณid thรญos mar imoibriรบ dรญ-ocsaรญdithe. Fe3+ + 3e- โ Fe
Gnothaรญonn an ian iarainn 3 leictreoin
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15
Cad รฉ an t-ainm ceimiceach nรณ an t-ainm coitianta atรก ar CaSiO3 agus cad รฉ an dรณigh a mbaintear ar shiรบl รณn fhoirnรฉis soinneรกin รฉ?
Slaig leรกite - baintear ar shiรบl trรญ sconna
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15
Cad รฉ an gรกs a thรกirgtear nuair a dhรฉanann miotal imoibriรบ le gal uisce?
hidrigin
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15
Is รฉ an t-ainm iomlรกn ceimiceach atรก ar mheirg nรก:
ocsaรญd iarainn (III) hiodrรกitithe
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15
(b) รsรกidtear catalaรญoch le dianscaoileadh na sรกrocsaรญde hidrigine a dhรฉanamh nรญos gasta nuair atรก ocsaigin รก hullmhรบ i saotharlann. Ainmnigh an catalaรญoch.
ocsaรญd mhangainรฉise (dubh)
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15
Cothromaigh an chothromรณid Fe2O3 + CO โ Fe + CO2
Fe2O3 + 3CO --> 2Fe + 3CO2
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15
Comhlรกnaigh an chothromรณid focal don imoibriรบ dรญlรกithriรบchรกin a tharlaรญonn idir maignรฉisiam agus sulfรกit sinc
maignรฉisiam + sulfรกit since --> _________________ + _______________
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15
Scrรญobh cothromรณid chothromaithe siombailรญ dโimoibriรบ an mhaignรฉisiam le gal.