A piece of magnesium ribbon reacts with hydrochloric acid to produce magnesium chloride. What is the empirical formula of the compound, that is 25.3% magnesium and 74.7\% chlorine.

Select the correct answer. when carbon dioxide dissolves in water, it sometimes reacts with water to form carbonic acid as in this balanced equation: co2 + h2o → h2co3. if 495 milliliters of carbon dioxide at 25°c and 101.3 kilopascals reacts with excess water, what is the theoretical yield of carbonic acid? use the periodic table and the ideal gas resource a. 0.889 g b. 1.10g c. 1.27g d. 2.02g what's the answer! quick!

In a copper wire, a temperature increase is the result of which of the following

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.