State and explain the changes in mass that occur when substances are separately heated in open crucibles eg .1 )copper metal 2)copper

Question

State and explain the changes in mass that occur when substances are separately heated in open crucibles eg .1 )copper metal
2)copper 2 nitrate

in progress 0
Huyền Thanh 3 years 2021-09-05T15:07:12+00:00 1 Answers 67 views 0

Answers ( )

    0
    2021-09-05T15:08:28+00:00

    Answer:

    1)Mass increases .

    2) Mass decreases

    Explanation:

    1)because oxygen combine with copper metal .

    2)it decomposes into gases that escape.

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )