HW 3 - Which one of the following does not have a natural source(mark with an X a methane(CH 4 b CO 2 – c ammonia(NH 3 – d ozone – e CFC –

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CHE-105 Homework Chapter 3 Name ____________________ 1. Some gases do not contribute to the greenhouse effect. Indicate which of the following is cannot be a greenhouse gas? a. N 2 b. NH 3 c. Rn d. CO e. CHF 2 Cl f. N 2 O g. H 2 O h. H 2 2. What is the molecular weight for each of the following? a. CO 2 - b. N 2 O - c. H 2 O - d. O 2 - e. CH 3 CH 2 CH 2 OH - 3. How many moles in each of the following? a. 66 g CO 2 b. 64 g O 2 - c. 16 g C - d. 63 g CH 3 CH 2 CH 2 OH – 4. Assuming complete combustion, write a balanced chemical equation for the following reaction: CH 3 CH 2 CH 2 OH + O 2 ____________ + ___________
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5. How many grams of CO 2 can be formed from 50. grams of CH 3 CH 2 CH 2 OH? a. 5.0 g b. 2.5 g c. 44 g d. 110 g 6. If you have 23 grams of ethanol (C 2 H 6 O) and 36 grams of oxygen (O 2 ), how many grams of CO 2 can you produce? a. 0.5 g b. 1.0 g c. 44 g d. 2 g e. 0.75 g f. 33 g 7. List natural and anthropogenic sources for the following greenhouse gases.
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Unformatted text preview: Which one of the following does not have a natural source (mark with an X)? a. methane (CH 4 ) b. CO 2 – c. ammonia (NH 3 ) – d. ozone – e. CFC – 13 – f. N 2 O – 8. How many grams in 1.25 moles of each of the following: a. HCl – b. Fe 2 O 3 – c. SO 3 – d. H 2 SO 4 – 9. Check online and then summarize in two or three sentences the current status of the Kyoto Protocol? Site the website. 10. Identify the geometry of each of the following molecules. Draw a three dimensional structure and include bond angles. a. CO 2 – b. N 2 O – c. CO – d. PCl 3 – e. CH 2 Cl 2 – 11. Accurate global warming models must include the following factors. Give an example of a relevant parameter for each factor. a. astrological – b. meteorological – c. geological – d. biological –...
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This note was uploaded on 04/18/2008 for the course CHE 105 taught by Professor Duecker during the Spring '08 term at Indiana Wesleyan.

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HW 3 - Which one of the following does not have a natural source(mark with an X a methane(CH 4 b CO 2 – c ammonia(NH 3 – d ozone – e CFC –

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