Exercices1erebacphy chimie
- 1. نا ا ا
ا ول : ا
╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣
ون ا ك. ا س
g = 10N / kg ةا
.B Aإ ل لا S ا و ا ة Tا ،ا S آ ا أن أ(
أن . T = 2N β ا او ب( ا
. وزن ا و ا ة Pا ج( ا
؟ د( ذا
2. ا .ا ىا از ا ا 2(
╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣
:
ا ى:
- 4. ╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣
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╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣
ء. ا ا با ر ر 6 ص 32 ا ا ا : ا
╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣
:
- 6. آ ا ع ا اب :
ء. ا ا با ر ر 7 ص 53 ا دس : ا ا
╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣╣
:
- 7. …………………………………………………………………………………………………
:م ول ا ل ا :
:ل ا ول
Na + ت آ ا
no 2C 1 1 2 × 0, 02.0, 05
V
Na + = 2
= = = 0, 01mol / L
V 1 +V 2 V 1 +V 2 0, 2
no C1 1
V 0, 02.(0, 05)
SO 4 2 − =
V +V = V +V = = 5.10 −3 mol / L
1 2 1 2 0, 2
: لا
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اب ذ وأن أن ا ا لا ا
.ا ء ا ما ي