What is the percent by volume of ethanol (c2h60, or ethyl alcohol) in the final solution when 90 ml of ethanol is diluted to a volume of 550 ml with water?

Which element in the third period would you expect to have the larger atomic radius, sodium (na) or sulfur (s)? a. sodium, because it has a higher effective nuclear charge attracting electrons in fewer energy levels. b. sodium, because it has fewer protons attracting electrons in the same energy levels. c. sulfur, because it has more protons attracting electrons in more energy levels. d. sulfur, because it has a higher effective nuclear charge attracting electrons in the same energy levels.

Which produce would best increase the amount of heat energy that is actually gained by calorimeter b

What happens to the temperature of a substance when the average kinetic energy of its particles increases?