How many moles of N2Cl4 are in 10.9 grams of N2Cl4 (molar mass = 169.826 g/mol) A. 1851

B. 0.064

C. 3.86 x 10^22

One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)

What is the main reason why some developing countries fear the increase the free trade policies around the world?

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)