Areaction that is spontaneous can be described as

(a) proceeding without external influence once it has begun.
(b) releasing heat to the surroundings.
(c) proceeding in both the forward and reverse directions.
(d) increasing in disorder.
(e) having the same rate in both the forward and reverse directions

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

Acompound contains c, h, and o atoms. when 1.130 g of the compound is burned in oxygen, 1.064 g co2 and 0.3631 g h2o are produced. what is the empirical formula of this compound?

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned