Answer:
physical change
Explanation:
i got the same question sorry for the late response but that's the answer good luck
Alfred Wegener came up with the idea
Answer:
6× 10⁸
Explanation:
We need to find the multiplication of 2 x 10⁴ by 3 x 10⁴.
2 x 10⁴ × 3 x 10⁴
= (3 × 2) x 10⁴ x 10⁴
= 6 x 10⁴ x 10⁴
= 6 × 10⁴⁺⁴
= 6× 10⁸
Hence, the required answer is 6× 10⁸.
N=m/M
n=118/58.93=2
Answer: 2 moles
