1. Which of the following reactions had the greatest percent yield? A. theoretical yield 52.3 g; actual yield 50.7 g
B. theoretical yield 17.1 g; actual yield 15.7 g
C. theoretical yield 38.8 g; actual yield 36.2 g
D. theoretical yield 24.6 g: actual yield 22.5 g

How many liters of hydrogen gas will be produced at stp from the reaction of 7.179×10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line