Economic principles are value judgments about what the economy should be like or the way the economic world ought to be.

Of the substances listed below, which are pure substances?   

Ammonium NH4+ Nitrate NO3- Acetate C2H3O2- Nitrite NO2- Carbonate CO3-2 Oxalate C2O4-2 Chlorate ClO3- Perchlorate ClO4- Chlorite ClO2- Phosphate PO4-3 Cyanide CN- Phosphite PO3-3 hydroxide OH- Sulfate SO4-2 Iodate IO3- Sulfite SO3-2 For naming:  Na = sodium, Ni = nickel, H = Hydrogen, Cl = Chlorine, Fe = Iron, C = Carbon, S = Sulfur, N = Nitrogen, O = Oxygen, Fe = Iron, Br = Bromine, F = Fluorine, P = phosphorus, I = iodine, Co = cobalt, Sr = Strontium, Au = Gold Write the formula for the following compounds by typing in the letter for the question and then your answer:  (NOTE that you do not need to use the subscript button to save time.) A) ammonium sulfite  B) tetraphosphorus hexabromide  C) hydroiodic acid  D) gold (III) acetate E)  sulfurous acid    

Consider the metal sheet shown below next to the ruler.  State the measurement you would read for this metal sheet to the correct number of significant figures?  

 Which of the following has most cholesterol?

Which of the following statements regarding ribosomes is/are TRUE?

The following organelle is exclusive to plant cells

Match the definition with the term:

What causes water to be polar?

A fat with all available hydrogens and no double bonds is