So sánh sự phân cực của liên kết C-X trong dẫn xuất mono halogen không vòng no và dẫn xuất mono halogen thơm. Giải thích bằng cấu tạo và chứng minh bằng phản ứng hoá học.

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?