The earth is split into two parts based on the equator. what are the names of the two parts? a southern and eastern hemisphere b eastern and western hemisphere c northern and southern hemisphere d northern and western hemisphere

What is the equilibrium constant of aa+bb=cc+dd

Amixture that has two or more substances that are spread out evenly is called a. compound b. heterogeneous c. substance d. homogeneous

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?