Dãy chất nào sau đây chỉ gồm các oxit axit: * A. CO2, CaO, MgO
B. H2O, MgO, SO2
C. CO2, P2O5 , N2O5
D. ZnO, Fe2O3, SO3

If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 kelvin and 1.21 atmospheres? 2 li (s) + 2 h2o (l) yields 2 lioh (aq) + h2 (g)

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?

What overall charge must all compounds have