Term
| __________ is by far the most important commercial alkyne. |
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Definition
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Term
| __________ is an important industrial feedstock, but its largest use is as the fuel for the oxyacetylene welding torch. |
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Definition
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Term
| Acetylene is a __________, foul-smelling gas that burns in air with a __________, sooty flame which can be turned to __________ if supplied with pure oxygen. |
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Definition
1) Colorless
2) Yellow
3) Blue |
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Term
| __________ produces the most heat per mole of gas consumed. |
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Definition
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Term
The increase in __________ of the products is proportional to the heat given off per mole of __________ formed.
This rise in temperature is largest in __________, which gives off the most heat per mole of products. |
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Definition
1) Temperature
2) Products
3) Acetylene |
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Term
| __________ gives off the greatest amount of heat per mole of products, with temperatures reaching 2800 degrees Celsius. |
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Definition
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Term
| __________ is thermodynamically unstable. |
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Definition
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Term
| When acetylene is subject to __________ or __________ shock, it decomposes to its elements, releasing __________ of energy per mole. |
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Definition
1) Thermal
2) Mechanical
3) 234kJ |
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Term
| Acetylene dissolves freely in __________, and the dissolved gas is not so prone to decomposition. |
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Definition
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Term
| __________ is also used in welding torches and does not decompose as easily as acetylene, burning better in air (as opposed to pure __________). |
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Definition
1) Methylacetylene
2) Oxygen |
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Term
Acetylene, one of the cheapest organic chemicals, is made form __________ or __________ __________.
The synthesis from coal involve heating __________ and __________ (roasted coal) in an electric furnace to produce __________ __________.
The addition of __________ to calcium carbide produces acetylene and hydrated lime. |
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Definition
1) Coal
2) Natural gas
3) Lime
4) Coke
5) Calcium carbide
6) Water |
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Term
The synthesis of acetylene from __________ __________ is a simple process.
Natural gas consists mostly of __________, which forms __________ when it is heated for a very short period of time.
Although the reaction is __________, there are twice as many moles of (reactants/products) as (reactants/products).
The increase in the number of moles results in an increase in __________. |
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Definition
1) Natural gas
2) Methane
3) Acetylene
4) Endothermic
5) Products
6) Reactants
7) Entropy |
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