Arectangular block of copper metals weigh 673.37g. the dimensions of the block are 8.4cm by 5.5cm by 4.6cm. from this data, what is the density of the copper?

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.

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.