Rust is a compound of iron and oxygen. Compare the properties of rust, iron, and
oxygen by filling in the missing cells in
the table above. What can you conclude
about the properties of compounds and
their elements?

Consider the following system at equilibrium. caco3(s) ca2+(aq) + co32–(aq) the addition of which compound will cause a shift in equilibrium because of a common ion effect? ccl4 co2 cuso4 na2co3

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

Which formula can be used to calculate the molar mass of hydrogen peroxide