Cho 1,2gam mg tác dụng hết với dung dịch hcl thu được v lít khs ở đktc .tích thể tích

Most metamorphosis processes take place

Why is any chemical reaction always balanced? give reasons and explain the easiest way to solve the balancing problems in chemical equations with stoichiometric coefficients upto 20 as hit and trial doesn't always work. give full reasoning

The polarity of an oxygen-hydrogen bond is higher than the polarity of a nitrogen-hydrogen bond, allowing amines to be more soluble than alcohols.