Dùng m gam Al để khử hết 16g Fe2O3, hỗn hợp sau phản ứng cho tác dụng với dung dịch NaOH dư tạo ra 6,72 lít H2 (đktc). Giá trị của m là

Y=‐1x + 7 if y has a value of ‐24 what is the value of x?

The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll

Asolution is produced in which water is the solvent and there are four solutes. which of the solutes can dissolve better if the solution is heated?