Sn(s) + Cl2(g) → SnCl2(s) ∆H = -325 kJ

Correct relationship between molecular formula and empirical formula

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-

Jenny places a strip of ph paper into a solution. when she removes the ph paper, it has turned yellow-green. what should jenny do next to determine the ph of her solution? a. use a different testing method because the ph paper should not change colors b. place the ph paper into a machine that reads the ph of the solution c. compare the ph paper's color with the color of ph paper from another solution d. compare the ph paper's color with a chart of colors and ph ranges