
الحاصل الايوني للماء Kw
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
هيثم الحراصى
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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
: من خصائص القواعد القوية انها
تفاعل تأينها يسير في اتجاه واحد
تتأين تأين جزئي
تنتج تراكيز عالية من H+
تنتج تراكيز عالية من H3O+
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
:احد الاحماض التالية تفاعل تأينة يسير في اتجاهين
HBr
HF
H2SO4
HCl
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
: احد القواعد التالية تكتب معادلة تأينها في اتجاهين
Mg(OH)2
Ca(OH)2
N2H4
NH3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
: جميع ما يأتي ينطبق على تأين الماء ماعدا
تركيز جزيئات الماء أقل بكثير من أيونات
[H+]
(POH) قيمة
تساوي (7) عند (298K)
(PH) تتغير قيمة
عند إضافة حمض او قاعدة
(Kw) تتغير قيمة
بتغير درجة الحرارة
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
: HCl أي من الخيارات التالية صحيحة بالنسبة لمحلول مائي لحمض
[H+] = 1x10-14 [OH-] = 1x10-14
[H+] = 1x10-7 [OH-] = 1x10-7
[H+] = 1x10-12 [OH-] = 1x10-2
[H+] = 1x10-2 [OH-] = 1x10-12
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
:هو [OH-] و [H+] الشكل البياني الذي يوضح العلاقة الصحيحة بين
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