We can dilute an aqueous solution by adding liquid water to the solution, resulting in a less concentrated solution. Which of the following would result in a more concentrated solution?

(A) decreasing the number of moles of solute
(B) adding ice to the solution and allowing the ice to melt
(C) evaporating some of the water contained in the solution
(D) none of the above

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.

4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has: