Bonus Essay 1: 10 points Describe a nonrepresentational work from the key works from chapters 1-5. For credit, please… name the work name the artist give the media, and explain in detail what the artist communicated through the form of his or her artwork (2 points).   Minimum word requirement: 150 words Five valid points must be made to receive full credit.  Do not repeat the questions in your response. Feel free to go as long as you need to convey your point. Please use correct grammar, full sentences, and refrain from ALL CAPS or text language.  Grammar will count 20% of all written assignments.

What is the concentration in ppm of a 3.7 L solution (d = 1.00 g/mL) containing 4.21 x 10-7 kg of the pesticide DDT? 

How many grams are in 1.02 x 1022 molecules of nitric acid?

The percent composition by mass of an unknown chlorinated hydrocarbon was found to be 37.83% C, 6.35% H, and 55.83% Cl by mass. What is the empirical formula of this compound?

pH is the measurement of

Calculate the molality of a solution containing 14.3 g of NaCl in 42.2 g of water.

How many electrons are there in the 2nd principal energy level (n = 2) of a phosphorus atom?

  Organic cofactors are referred to as:

Increases metabolic rate  

Decreases heart rate