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ID number:996318
 
Author:
Evaluation:
Published: 09.09.2004.
Language: Latvian
Level: Secondary school
Literature: n/a
References: Not used
Extract

Dabasgāzes galvenā sastāvdaļas ir:
metāns CH4
etāns C2H6
propāns C3H6
butāns C4H10

Likumsakarība:
jo lielāka molekulmasa attiecīgajam ogļūdeņradim, jo mazāk šīs gāzes ir dabasgāzes sastāvā.


1.Dabasgāzi izmanto par kurināmo, tā ir lēta un viegli pieejama. Sadegot tā nepiesārņo gaisu, un pie tam rodas daudz siltuma. [ sadegot 1m3, izdalās 35 600 kJ siltuma]
2.Dabasgāze ir ļoti svarīga ķīmiskās rūpniecības izejviela.
Metāns → etilēns, acitelēns
Metāns → ūdeņradis, kvēpi, halogēnaizvietotie ogļūdeņraži.…

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