Welcome to the 1520 Perfect Dictionary
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| Heat of formation | |
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| HEAT OF FORMATION Definition: The quantity of heat released or absorbed when a compound is formed by the direct union of its elements. ____________________________________ See perfect heat (2). See perfect quantity (2). ____ See perfect formation (1). See perfect statistics (1). | |
1520 Products |
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1520 Products was established in 2005 with the purpose of entertaining and teaching us on key and important aspects of life (such as marriage, sex, etc) through the playing of games which will allow us to laugh but at the same time pass a message of what is the right or ideal way. |
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 1520 Sex Game |
 1520 Puzzles |
 1520 Marriage Game |