trong các chất sau : iron (Fe), copper oxide (CuO), iron (III) hidrooxide (Fe(OH)3), barium chlorride (BaCl2). Chất nào tắc dụng được với Sulfurric acid (H2SO4) tạo: a) Khí nhẹ nhất trong các chất khí, b) Kết tủa màu trắng, c) Dung dịch màu vàng, d) Dung dịch màu xanh lam. Viết phương trình phản ứng minh họa.

the solar system used to have much dust particles option no d

question: ray weighs 100 kilograms, his wrestling partner, bobby, weighs 50 kilograms. if ray moves at 4 m s , how fast will bobby have to run at him to apply an equal amount of kinetic energy?

answer: 8 m/s he needs to run twice as fast to keep up so he has some work to do

explanation:   if the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

question answered by

(jacemorris04)

i wish i could but this one is weird give me abc and i can solve it.