Cho 5,4 gam kim loại A(3) tác dụng với dd H2So4 thu được H2 và 34,2g 1 sản phẩm nữa Tên kim loại A và thể ticshkhis H2 thu đc là bao nhiêu

What is the theoretical yield of carbon dioxide? a)0.993 gb)2.98 gc)3.65 gd)8.93 g

Asmall amount of a solid is added to water. the observation made after fifteen minutes is shown in the figure. which of these solids has been probably added to water? a) oil b) sand c) sugar d) wood chips

How does a hydroelectric power plant converts energy into energy.