762.0 g of sodium carbonate, Na2CO3, is dissolved in 2.4×103 g of water, H2O. What is the molality of sodium carbonate?

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

What are the first three quantum numbers for the electrons located in subshell 2s?

The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point