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Wrth Defnyddio Gwahanol Crynodiadau O Hcl, Cawn Canlyniadau Gwahanol.
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- Words:
- 215
- Submitted:
- Thu Jul 11 2002
... Wrth defnyddio gwahanol crynodiadau o HCl, cawn canlyniadau gwahanol. Gan defnyddio asid cymharol crynodedig (1.5M) cawn 32cm o H mewn 55 eiliad. Wrth defnyddio asid cymharol gwanedig (0.25M) cawn 8.5cm o nwy H mewn 5 munud. Er y ffaith ni oedd yr arbrawf wedi gorffen, wrth defnyddio asid 1.5M, cawn mwy o nwy hydrogen mewn amser llai nag oeddwn yn cael mewn 5 munud yn yr arbrawf 0.25M. Mae fy nghanlyniadau wedi cytuno gyda fy nhamcaniaeth gwreiddiol. Wrth edrych ar fy tablau, gwelwn beth rydw i wedi rhagfynegi yn wir. Fe wnes i ragfynegi hyn oherwydd mae'r adwaith yn ecsothermig a felly yn rhyddhau gwres. Fe wnes i ragfynegi hefyd, wrth cynyddu crynodiad yr asid, bydd cyfradd yr adwaith yn cynyddu. Gwelwn ar fy graff, ac fy tablau, mae fy rhagfynegiad yn cytuno gyda'r casgliad a'r canlyniadau. Mae fy canlyniadau yn profi fod wrth i'r crynodiad cynyddu-sef nifer o wrthdrawiadau llwyddiannus
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