تحصيلي 2ث : الطاقة والتغيرات الكيميائية
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Medium
دعاء الزبيدي
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
أي مما يلي حرارة التكوين القياسية له تساوي
0 KJ/mol
H2O
NaCl
H2S
Cl2
Answer explanation
حرارة التكوين القياسية للعناصرتساوي
0KJ/mol
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
حرارة التكوين للعنصر في حالته القياسية تساوي
3 KJ/mol
2 KJ/mol
1 KJ/mol
0 KJ/mol
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
للتفاعل Horxn احسب
H2 + S2 ----> H2S
علمًا بأن
Hfo : H2S = -21 KJ
42 KJ
21 KJ
-21 KJ
10,5 KJ
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
الطاقة الحرارية الناتجة من الغذاء تقاس بوحدة
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
الطاقة المخزنة في المادة نتيجة تركيبها
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
تغير الطاقة في تفاعل كيميائي يساوي مجموع التغيرات في طاقة التفاعلات الفردية المكونة له
المعادلة الكيميائية
قانون التجميع
قانون هس
المحتوى الحراري
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
: عندما تكون إشارة التغير في المحتوى الحراري سالبة, يكون التفاعل
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