cho 1,2g Mg tác dụng vừa đủ với 0,25 mol dung dịch H2SO4 vừa đủ. khí sinh ra duy nhất sau phản ứng là

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.

A50.0 ml sample of gas at 20.0 atm of pressure is compressed to 40.0 atm of pressure at constant temperature. what is the new volume? 0.0100 ml 0.325 ml 25.0 ml 100. ml

Uranium can supply energy for the worlds electricity without admitting harmful greenhouse gases which of these statements best describes an outcome of uranium mining