the initial volume of water in a graduated cylinder was 27cm^3 and the final volume of water once an irregularly shaped object was dropped into the graduated cylinder was 38cm^3. The volume of the object iscm^3. Do not include units in your answer.

Which of these is the result of scientific research and not engineering? a. a new shoe design that features air cushioning for more comfort and protection b. the creation of glass with uv protection. c. a conclusion about diet commonalities among diabetics. d. the development of a smaller, more compact missile.

What mass of carbon dioxide is produced from the complete combustion of 4.50×10−3 g of methane?

Compare and contrast the bohr model and the electron cloud models of the atom.