cho 3g hỗn hợp A gồm mg, fe, al tác dụng hết với dung dịch cl dư (tn1) thu được 1.68 l khí .mặt khác cho 2g hỗn hợp A tác dụng với clo dư (tn2) thu được 5.763g hỗn hợp muối tính %mfe trong A

The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates

What are the coefficients to balance the following equation? ba+br=babr2

According to the passage, which of these is true about gray water systems? a) gray water systems use plants that require less water. eliminate b) gray water systems require the use of less fossil fuels. c) gray water systems reduce the amount of fresh water used. d) gray water systems reduce the amount water used by shower heads.