What is the molar mass of Fe2O3?

71.84 g/mole

76.00 g/mole

159.7 g/mole

431.0 g/mole

What do you call all elements that are clearly not metals? ? nonmetals ? metalloids

Which man made element is in an anomalous location

Balance the oxidation-reduction half reactions for hydrogen peroxide and permanganate ion, respectively. Write the net ionic equation for the reaction between MnO4 - ions and H2O2 in acidic solution.

Is a glass jar transparent?

What is the mass of 2.50L of SO2 gas at stp

Explains why heating a liquid affects its viscosity? The molecules move faster at higher temperatures and overcome attractions more easily. The molecules move faster at higher temperatures, and the attractions between them increase.

Which of the following is a correct procedure for the operation of a microscope? A. Use the fine focus knob with the low power lens and use the coarse focus knob with the high power lens. B.

The Chemist has available four different sizes (based on maximum volume) of graduated cylinders. If the Chemist desires to measure 8 mL, which of the following cylinders is the best choice (based on the criteria given in the class handout) ?

How many atoms altogether make up one molecule of glucose

A representative particle of carbon dioxide is