A 1.87 mol sample of Ar gas is confined in a 45.5 liter container at 23.6 °C. If the temperature of the gas sample is raised to 46.1 °C holding the volume constant, the average kinetic energy will

a. increase
b. remain the same
c. not enough information to answer the question
d. decrease

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.

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.

Ab c or d ? i’m not sure what the answer is