9701/12 Chemistry Feb Mar 2023 Online Test | Cambridge AS and A Level MCQ
CIE
AS & A Level
Chemistry (9701)
خرداد
2023
مشاهده نمونه سوال
شامل مباحث:
7.1 Chemical equilibria: reversible reactions‚ dynamic equilibrium
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
75 دقیقه

پیش نمایش صفحه اول فایل
An energy cycle is shown.
The energy changes involved are X, Y and Z.
The numerical value of energy change Y is either –890 or +890.
The numerical value of energy change Z is either –964 or +964.
Which of the three values are negative?