Nitroglycerin (C 3 H 5 N 3 O 9 ) is a powerful explosive. Its decomposition may be represented by 4 C 3 H 5 N 3 O 9 → 6 N 2 + 12 CO 2 + 10 H 2 O + O 2 This reaction generates a large amount of heat and many gaseous products. It is the sudden formation of these gases, together with their rapid expansion, that produces the explosion. (a) What is the maximum amount of O 2 in grams that can be obtained from 2.00 × 10 2 g of nitroglycerin? (b) Calculate the percent yield in this reaction if the amount of O 2 generated is found to be 6.55 g.
Nitroglycerin (C 3 H 5 N 3 O 9 ) is a powerful explosive. Its decomposition may be represented by 4 C 3 H 5 N 3 O 9 → 6 N 2 + 12 CO 2 + 10 H 2 O + O 2 This reaction generates a large amount of heat and many gaseous products. It is the sudden formation of these gases, together with their rapid expansion, that produces the explosion. (a) What is the maximum amount of O 2 in grams that can be obtained from 2.00 × 10 2 g of nitroglycerin? (b) Calculate the percent yield in this reaction if the amount of O 2 generated is found to be 6.55 g.
Solution Summary: The author explains that the amount of chlorine produced from mitroglycerin and percent yield of reaction has to calculate and identify the limiting reactant.
Nitroglycerin (C3H5N3O9) is a powerful explosive. Its decomposition may be represented by
4
C
3
H
5
N
3
O
9
→
6
N
2
+
12
CO
2
+
10
H
2
O
+
O
2
This reaction generates a large amount of heat and many gaseous products. It is the sudden formation of these gases, together with their rapid expansion, that produces the explosion. (a) What is the maximum amount of O2 in grams that can be obtained from 2.00 × 102 g of nitroglycerin? (b) Calculate the percent yield in this reaction if the amount of O2 generated is found to be 6.55 g.
Naming and drawing secondary
Write the systematic (IUPAC) name for each of the following organic molecules:
CH3
Z
structure
CH3
CH2
CH2
N-CH3
CH3-CH2-CH2-CH-CH3
NH
CH3-CH-CH2-CH2-CH2-CH2-CH2-CH3
Explanation
Check
☐
name
☐
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G
C
This question shows how molecular orbital (MO) theory can be used to understand the chemical
properties of elemental oxygen O₂ and its anionic derivative superoxide Oz.
a)
Draw the MO energy diagram for both O2 and O2. Clearly label your diagram with atomic orbital names
and molecular orbital symmetry labels and include electrons.
Draw the Lewis structure of O2. How does the MO description of O2 differ from the Lewis structure, and
how does this difference relate to the high reactivity and magnetic properties of oxygen?
) Use the MO diagram in (a) to explain the difference in bond length and bond energy between superoxide
ion (Oz, 135 pm, 360 kJ/mol) and oxygen (O2, 120.8 pm, 494 kJ/mol).
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