How is energy involved in chemical reactions

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal

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

#20 which type of bond is formed when bases pair in dna? ionic bond covalent bond coordinate bond hydrogen bond