Elements in group 18 of the periodic table are sometimes called inert gases. Explain why they received his name and what it is about their atomic structure that leads to this.

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

Ethanol (c2h5oh) is produced from the fermentation of sucrose in the presence of enzymes. c12h22o11(aq) + h2o(g) 4 c2h5oh(l) + 4 co2(g) determine the theoretical yield and the percent yields of ethanol if 680. g sucrose undergoes fermentation and 326.5 g ethanol is obtained. theoretical _ g _ percent %

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