What is a solvent? A. The substance that is dissolved in another substance B. The mixture of one substance floating around in another C. The substance that dissolves another substance D. The mixture of one substance dissolved in another

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

What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.