PH AND BUFFER QUESTION PLS HELP A student needs to make a buffer solution with a pH of 5.05 using acetic acid and sodium hydroxide starting with 100.0 mL of 0.37 M acetic acid. Calculate the number of moles of sodium hydroxide that should be added to achieve the desired pH.

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.