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شبكة مساعد الطالب | United States America (US)
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ملاحظات مهمة للفصل الاول:
 كل سؤال مسعر من يطلب حرارة التفاعل تعني الانثالبي H? لان الضغط ثابت .
 اذا كان المطلوب احسب الانثالبي فنجدها كالآتي؛
– اذا أعطى معادلات فالطريقة هيس
– اذا أعطى Hf? فالحل من قانون المجموع
1)) من قانون هيس:
ملاحظات:
– في قانون هيس يعطي مجموعة معادلات،
معادلة هدف وهي المطلوب حساب الانثالبي لها و مجموعة معادلات معلومة الانثالبي
– تجرى 4 حالات على المعادلات المعطاة وهي
اما تعكس
او تظرب بعدد
او تقسم على عدد
او تبقى كما هي
– عند جمع المعادلات ، المواد المتشابهة في طرفين تطرح والمختلفة تجمع
– عند الجمع يجب ان تنتج المعادلة المطلوبة (الهدف) فقط بدون زيادة او نقصان
– احيانا لم يعطي المعادلة المطلوبةاو بقية المعادلات ، وعندها يجب كتابة المعادلات اولا ، كما في سوال 35 اسئلة الفصل
 ممكن ان يكون المجهول Hf?والمعلوم Hr?، فالحل كذلك من قانون المجموع .
علاقة كبس واهميتها:
– يمكن ايجاد Hr? من:
هيس او المجموع او #كبس
– يمكن ايجاد Sr?من:
قانون المجموع او #كبس
– يمكن ايجاد Gr? من:
قانون المجموع او #كبس ..

#سوي_اعادة_توجيه_لاصدقائك
https://hottg.com/Engmohammed1234

شبكة مساعد الطالب
ملاحظات مهمة للفصل الاول:
 كل سؤال مسعر من يطلب حرارة التفاعل تعني الانثالبي H? لان الضغط ثابت .
 اذا كان المطلوب احسب الانثالبي فنجدها كالآتي؛
– اذا أعطى معادلات فالطريقة هيس
– اذا أعطى Hf? فالحل من قانون المجموع
1)) من قانون هيس:
ملاحظات:
– في قانون هيس يعطي مجموعة معادلات،
معادلة هدف وهي المطلوب حساب الانثالبي لها و مجموعة معادلات معلومة الانثالبي
– تجرى 4 حالات على المعادلات المعطاة وهي
اما تعكس
او تظرب بعدد
او تقسم على عدد
او تبقى كما هي
– عند جمع المعادلات ، المواد المتشابهة في طرفين تطرح والمختلفة تجمع
– عند الجمع يجب ان تنتج المعادلة المطلوبة (الهدف) فقط بدون زيادة او نقصان
– احيانا لم يعطي المعادلة المطلوبةاو بقية المعادلات ، وعندها يجب كتابة المعادلات اولا ، كما في سوال 35 اسئلة الفصل
 ممكن ان يكون المجهول Hf?والمعلوم Hr?، فالحل كذلك من قانون المجموع .
علاقة كبس واهميتها:
– يمكن ايجاد Hr? من:
هيس او المجموع او #كبس
– يمكن ايجاد Sr?من:
قانون المجموع او #كبس
– يمكن ايجاد Gr? من:
قانون المجموع او #كبس ..

#سوي_اعادة_توجيه_لاصدقائك
https://hottg.com/Engmohammed1234
hottg.com/Engmohammed1234/14022
2.1K views': حہٰمہٰہٰودَيٰ 〄💖‘, 


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Should I buy bitcoin?

“To the extent it is used I fear it’s often for illicit finance. It’s an extremely inefficient way of conducting transactions, and the amount of energy that’s consumed in processing those transactions is staggering,” the former Fed chairwoman said. Yellen’s comments have been cited as a reason for bitcoin’s recent losses. However, Yellen’s assessment of bitcoin as a inefficient medium of exchange is an important point and one that has already been raised in the past by bitcoin bulls. Using a volatile asset in exchange for goods and services makes little sense if the asset can tumble 10% in a day, or surge 80% over the course of a two months as bitcoin has done in 2021, critics argue. To put a finer point on it, over the past 12 months bitcoin has registered 8 corrections, defined as a decline from a recent peak of at least 10% but not more than 20%, and two bear markets, which are defined as falls of 20% or more, according to Dow Jones Market Data.

ملاحظات مهمة للفصل الاول:

شبكة مساعد الطالب TG
Webview: 14022
Telegram TG Webview: hottg.com/Engmohammed1234/webview
Telegram TG Channel: شبكة مساعد الطالب
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