Na2CO3 (aq) + CaCl2(aq) → CaCO3 (s) + 2 NaCl (aq) Mass of filter paper (g)
0.87 g
Mass of sodium carbonate (g)
0.84 g
Mass of calcium chloride (g)
0.41 g
Mass of filter paper + calcium carbonate (g)
1.36 g

What is the limiting reactant in this reaction?

Calculate the theoretical yield of calcium carbonate.

Based on your data, what is the actual yield of calcium carbonate?

Calculate the percent yield of calcium carbonate in this lab.

What does the percent yield value that you calculated in #4 mean? If your percent yield is less than 100% or greater than 100%, explain why this is the case.

the tides are influenced by both the moon and the sun, it's easy to see that when the sun lines up with the moon and the earth, as during a new moon or full moon, the tidal effect is increased. these are known as spring tides, named not for the season, but for the fact that the water "springs" higher than normal. on the other hand, if the sun and the moon are 90 degrees apart in relation to an observer on earth as during the first quarter moon or third quarter moon, then high tides are not as high as they normally would be. this is because despite its greater distance, the sun's mass allows it to exert enough gravitational force on the oceans that it can negate some of the effects of the moon's pull. this phenomenon of lower high tides is called a neap tide. if you need more information on this topic visit moonconnection.com.

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 : )