Extend your thinking: Why do you think the temperature does not change much during a phase change? If possible, discuss your answer with your classmates and teacher.

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?

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.