قانون هس
Quiz
•
Chemistry
•
12th Grade
•
Hard
KHALED GAMAL HASSAN MABROUK
Used 1+ times
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
أي العلاقات الاتيه صحيحة عن قانون هس
∆H= ∆H2 - ∆H1
∆H= ∆H2 X ∆H1
∆H= ∆H2 / ∆H1
∆H= ∆H2 + ∆H1
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
ماذا يحدث لقيمة ∆H عند عكس المعادلة الكيميائية
∆H تعكس الاشارة
∆H لا تتغير قيمة
∆H تضرب في القيمة المطلوبة
∆H تقسم في القيمة المطلوبة
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
ان حراره التفاعل او التغير في المحتوى الحراري تتوقف على طبيعه المواد الداخله في التفاعل والمواد الناتجه منه وليس على الخطوات او المسار الذي يتم فيه التفاعل؟
قانون هس
حراره التكوين القياسيه
حراره الاحتراق
المحتوى الحراري
4.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
متى يحدث تفاعل قانون هس؟
يحدث التفاعل ببطئ شديد
يحدث التفاعل بسرعه شديده
تعطي نواتج غير النواتج المطلوبه
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
ان عمليه تحويل الالماس الى جرافيت عمليه؟
عمليه سريعه جدا
عمليه بطيئه جدا
عمليه متوسطه
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