Midterm Practice Questions Energy

Midterm Practice Questions Energy - 1) Iron. Carbon...

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1) Iron. Carbon dioxide. Rust. Water. Aluminum. Tea. Isopropyl alcohol. Lead. Glass. Sulfur. Blood. Which are elements? Which are compounds? Which are mixtures? 2) O O U U 16 8 18 8 235 92 238 92 Listed above are two types of uranium and oxygen. How is each one different? What is it called when there are two types of the same element, as above? What are the atomic numbers? What are the mass numbers? What is the number of protons of each? Of neutrons? Of electrons? 3) Here’s a number: .0007534. What is this number in % form? In scientific notation? In ppm? 1.776*10 -3 is equivalent to what number in % form? In ppm? In ordinary decimal form? 4) Fe + O 2 Fe 2 O 3 Balance this equation. 5) What is the energy of electromagnetic radiation with a wavelength of 444 nanometers? What is its frequency? What is the wavelength of electromagnetic radiation with a frequency of 9.55*10 4 s -1 ? What is its energy? 6) Showing all electrons or electron pairs, draw the Lewis structure of N
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This note was uploaded on 04/03/2012 for the course MAP 203 taught by Professor Henrybrenner during the Spring '12 term at NYU.

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Midterm Practice Questions Energy - 1) Iron. Carbon...

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