7. Are the following chemical equations balanced or unbalanced? Balance any unbalanced equations. a. 2KC103 → KC1+ 302 b. Fe + 02 → Feo c. 2Li + Cl2 → 2LiCl d. NH3 + HCl → NH4C1 C С. tv n Ta C

Atypical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 5.000 nm thick. (a) what is the volume of the cell including the membrane? (b) what is the volume of the cell membrane? (c) what percent of the total volume does its membrane occupy? to simplify the calculations, model the cell as a sphere. enter your answers using four significant figures.

What are two ways that harvesting algae from the ocean may benefit human society? how might the harvest of algae negatively impact the ocean communities where that algae grows? how could this be prevented?

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?