During which phase change does the entropy of a sample of H2O increase?
(1) H2O(g) → H2O(l)
(2) H2O(g) → H2O(s)
(3) H2O(l) → H2O(g)
(4) H2O(l) → H2O(s)
Answer and Explanation:
Entropy represents disorder in chemistry. Universe wants to be as disordered as possible and therefore increasing disorder, or entropy, is favorable. Now, lets lookout phases to figure out what is more d...
There is a simple and easy way to identify ionic versus compounds.
Ionic compounds can be of three types:
1. Metal + Nonmetal
To figure out whether an element is a metal or a nonmetal, look at the periodic table. Elements on the right of the staircase on the periodic table are metals. Elements to the left of the staircase on the periodic table are nonmetals. Hydrogen is a nonmetal even though it is located on the rig...
Write the general formula for the homologous series to which propene belongs.
Answer: This questions mentions homologous series, which are groups of organic compounds. We can look at the Regent Reference Table Q, that is titled "Homologous Series of Hydrocarbons" to figure out the answer to this question. Propene is an organic molecule that has an ending "ene", which means its belongs to...