JoAnna

why did the United States declare war on Germany?

Estimate the value of the equilibrium constant at 500 K for each of the following reactions. 2H2S(g)⇌2H2(g)+S2(g) I have calculate my delta H which is 168.9 kj/mol but I don't know where to go from there

because iron is magnetic so when he put the magnet near the iron it attracted to the magnet,black was just happened to be the color