A 1 liter solution contains 0.319 M nitrous acid and 0.425 M sodium nitrite. Addition of 0.351 moles of sodium hydroxide will: (Assume that the volume does not change upon the addition of sodium hydroxide.)

a. Raise the pH slightly
b. Lower the pH slightly
c. Raise the pH by several units
d. Lower the pH by several units
e. Not change the pH
f. Exceed the buffer capacity

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

hope this : )

your answer is c) plasma

~*"auba14"*~

qualitative observation deals with data that can be observed with our senses: sight, smell, touch, taste, and hearing. they do not involve measurements or numbers. for instance, colors, shapes, and textures of objects are all qualitative observations.