Suppose a student poured equal volumes of water and NaOH in two different flasks. He forgets to label his flasks and is confused about which is which. He decides to determine the contents of the flasks by adding 10 mL of each to 10 mL of HCl. Given the figure below, to which flask (left or right) did he add NaOH? Justify your answer.

This line graph compares the growth of plants that were kept in the sun for different amounts of time.a)  on day 7, the plants kept in the sun for 3 hours were how tall? b)  on day 7, the plants kept in the sun for 6 hours were how tall? c)    on day 10, the plants kept in the sun for 9 hours were how tall? d)  on day 11, the plant that was grown with 1 hour of sunlight was how tall? e)  based on the graph, the plant grows best in what amount of sunlight?

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light