Calculate the density of mercury of it pours exactly 22.5 mL into a graduated cylinder and has a mass of 316 g.

Which statement best describes a balanced chemical formula? A. There are the same number of ions on either side of the reaction. B. There are the same molecules on either side of the reaction. C.

How many molecules of SO2 are in 2.45 g of SO2? (molar mass=64.06 g/mol). (Hint: you need to use your entire stoichiometry flow chart!) 0.0382 molecules 9.45 x10^25 molecules 2.30 x 10^22 molecules 6.35 x 10^-26 molecules

What is a dense positively charged mass in the center of an atom

How do you solve P=IRT (T)

The pH of a solution is tested, and it is found to be a basic solution. Of the following choices, what could the pH have been? A. 7 B. 5 C. 3 D. 9

Which element has an isotope mass number of 32 and is used as an ecological tracer?

Which laws can be combined to form the ideal gas law? Boyle's law and Charles's law Gay-Lussac's law and Avogadro's law Charles's law, Avogadro's law, and Boyle's law Dalton's law, Gay-Lussac's law, and Avogadro's law

What determines the horizontal arrangement of the periodic table?

A 55.3 g sample of lead heated and then quenched in a 175g sample of water. During the quenching reaction the temperature of the water increases from room temperature, 25.0 °C, to 42.6 °C.

What conclusion can you draw from this experiment about the components of the black ink