Balance the combustion reaction:
a C₂H₂ + b O₂ → c CO₂ + d H₂O
Count the atoms on both sides of the reaction:
• C : 2a = c
• H : 2a = 2d
• O : 2b = 2c + d
Let a = 1; then c = 2 and d = 1, and it follows that
2b = 2•2 + 1 = 5
so that b = 5/2, and the balanced reaction is
1 C₂H₂ + 5/2 O₂ → 2 CO₂ + 1 H₂O
or, with integer coefficients,
2 C₂H₂ + 5 O₂ → 4 CO₂ + 2 H₂O
C₂H₂ has a molar mass of about 26.038 g/mol, so we have a starting amount of
(64.0 g) (1/26.038 mol/g) ≈ 2.46 mol C₂H₂
According to the reaction, we produce H₂O in a 1-to-1 ratio with the C₂H₂ that is burned up, so we end up with about 2.46 mol H₂O.
Cold war strategies and tactics can be best described as economic,
- political
- military
- ideological
- moral.
<h3>What were the cold war strategies?</h3>
These were the strategies that the United States had to adopt in order to curtail the spread of communist principles around the world. The cold war was due to the arms race between the United States and the Soviet Union.
The goal was to ensure that the Soviet Union did not expand more than it already had before it collapsed.
President Reagan advocated to see that the strategies would help to crush the Soviet Union. Hence the containment policy was introduced.
The policy was to see that the spread was not allowed in areas around the world. The United States offered reliefs to nations that were against and stood against communism in their nations.
Read more on the cold war here:
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The diameter would be 12 Feet
