According to the law of conservation of matter, which chemical equation represents a possible chemical reaction?
a. c + 2h2 --> ch4
b. 2h2 + o2 --> the
c. 2al2o3 --> 2nq2o
d. n2 + 3h2 --> p4o10

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?

Why does his teacher ask him to balance the equation by including the correct coefficient

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid