The value of ΔH° for the reaction below is -6535 kJ. kJ of heat are released in the combustion of 16.0 g of C6H6 (l)? 2C6H6 (l) + 15O2 (g) → 12CO2 (g) + 6H2O (l)

Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.

Which of the following is the molecular formula for a simple sugar? a. cooh b. h2o c. oh d. c6h12o6

Which of the following substances is the most soluble in water? a. sodium chloride b. methane c. bromine d. carbon