火狐电竞еҲҶжһҗдҫқжҚ®еҸҚеә”з„“еҸҳ=еҸҚеә”зү©жҖ»й”®иғҪ-з”ҹжҲҗзү©жҖ»й”®иғҪи®Ўз®—еҸҚеә”2H2(gO2(g)=2H2O(g)зҡ„з„“еҸҳеҚіеҸҜ.и§Јзӯ”и§Ј:и®ҫеҸҚеә”2H2(gO2(g)=2H2O(g)в–іH=akJ/mol,еҲҷиҜҘеҸҚеә”зҡ„з„“еҸҳв–іH=еҸҚеә”зү©жҖ»й”®иғҪ-з”ҹ如何用键能火狐电竞计算焓变(з„“еҸҳеҸҚеә”зү©й”®иғҪеҮҸеҺ»з”ҹжҲҗзү©й”®иғҪ)第дәҢдёӘиЎЁзӨәж–№ејҸе…¶е®һжҳҜзӣ–ж–Ҝе®ҡеҫӢпјҢзӣ–ж–ҜиҜҙдәҶпјҢжҖ»еҸҳеҢ–зҡ„з„“еҸҳзӯүдәҺеҗ„дёӘеҸҳеҢ–з„“еҸҳзҡ„е’ҢпјҢиҖҢй”®иғҪжҳҜеҪўжҲҗй”®жҲ–жӢҶејҖй”®иғҪйҮҸеҸҳеҢ–зҡ„з»қеҜ№еҖјпјҢдёҖдёӘеҸҚеә”е°ұжҳҜиҰҒжӢҶж•Јж—§й”®пјҢеҶҚеҪўжҲҗж–°й”®дёӨжӯҘ
1、еҢ–еӯҰеҸҚеә”зҡ„з„“еҸҳйҖҡеёёз”Ёе®һйӘҢиҝӣиЎҢжөӢе®ҡ.д№ҹеҸҜиҝӣиЎҢзҗҶи®әжҺЁз®—1)е®һйӘҢжөӢеҫ—.5gз”ІйҶҮеңЁж°§ж°”дёӯе……еҲҶзҮғзғ§з”ҹжҲҗдәҢж°§еҢ–зўіж°”дҪ“е’Ңж¶ІжҖҒж°ҙж—¶йҮҠж”ҫеҮә113.5kJзҡ„зғӯйҮҸ.иҜ•еҶҷеҮәз”ІйҶҮзҮғзғ§зҡ„зғӯеҢ–еӯҰж–№зЁӢејҸ
2、2гҖҒйҖҡиҝҮй”®иғҪзҡ„еҸҳеҢ–жұӮз®—еҸҚеә”з„“еҸҳ,дәҶи§Јзү©иҙЁзҡ„з»“жһ„дёҺе…¶иғҪйҮҸеҸҳеҢ–зҡ„е…ізі»гҖӮиҝҮзЁӢдёҺж–№жі•:йҖҡиҝҮзӣ–ж–Ҝе®ҡеҫӢжұӮз®—еҸҚеә”з„“еҸҳзҡ„иҝҮзЁӢ,дҪ“дјҡж•°еӯҰгҖҒзү©зҗҶеңЁеӯҰд№еҢ–еӯҰдёӯзҡ„йҮҚиҰҒжҖ§,жіЁж„ҸзҗҶ
3、з”Ёй”®иғҪи®Ўз®—зҡ„еҸҚеә”зғӯеҸӘжҳҜдј°з®—пјҢеӣдёәе®ғеҸӘи®Ўз®—дәҶеҗ„еҚ•дёӘй”®зҡ„иғҪйҮҸпјҢ并ж—иҖғиҷ‘й”®дёҺй”®зҡ„зӣёдә’дҪңз”ЁпјҢд№ҹжңӘиҖғиҷ‘еҲҶеӯҗй—ҙзӣёдә’дҪңз”Ёзҡ„иғҪйҮҸпјҢжүҖд»ҘеҸӘжҳҜдј°з®—дёҺйҖҡиҝҮжҮеҮҶз”ҹжҲҗз„“и®Ўз®—еҮәзҡ„
4、(2)еҲ©з”Ёзӣ–ж–Ҝе®ҡеҫӢиҝӣиЎҢеҸҚеә”з„“еҸҳзҡ„и®Ўз®—гҖӮеёёи§ҒйўҳеһӢжҳҜз»ҷеҮәеҮдёӘзғӯеҢ–еӯҰж–№зЁӢејҸ,еҗҲ并еҮәйўҳзӣ®жүҖжұӮзҡ„зғӯеҢ–еӯҰж–№зЁӢејҸ,ж№жҚ®зӣ–ж–Ҝе®ҡеҫӢеҸҜзҹҘ,иҜҘж–№зЁӢејҸзҡ„О”HдёәдёҠиҝ°еҗ„зғӯеҢ–еӯҰж–№зЁӢејҸ
5、еҲҶжһҗв‘ж—§й”®ж–ӯиЈӮеҗёж”¶зҡ„иғҪйҮҸеҮҸеҺ»ж–°й”®з”ҹжҲҗйҮҠж”ҫзҡ„иғҪйҮҸеҖјеҚідёәеҸҚеә”зғӯ,дҫқжҚ®еҢ–еӯҰеҸҚеә”зҡ„з„“еҸҳ=еҸҚеә”зү©жҖ»й”®иғҪ-з”ҹжҲҗзү©жҖ»й”®иғҪи®Ўз®—еҫ—еҲ°еҸҚеә”зҡ„з„“еҸҳ;в‘Ў1molN2еҗ«жңү1molNвүЎN,1molH2еҗ«жңү1molH-H,еҗ«жңү3molN-H
дёҖгҖҒеҸҚеә”зғӯз„“еҸҳ:еңЁеҢ–еӯҰеҸҚеә”иҝҮзЁӢдёӯж”ҫеҮәжҲ–еҗёж”¶зҡ„зғӯйҮҸгҖҒйҖҡеёёеҸ«еҒҡеҸҚеә”зғӯгҖӮеҸҲз§°з„“еҸҳгҖӮ(1)з¬ҰеҸ·:з”Ёв–іHиЎЁзӨәгҖӮ(2)еҚ•дҪҚ:дёҖиҲ¬йҮҮз”ЁkJ/molгҖӮ(3)еҸҜзӣҙжҺҘжөӢйҮҸ,жөӢйҮҸд»ӘеҷЁеҸ«йҮҸ如何用键能火狐电竞计算焓变(з„“еҸҳеҸҚеә”зү©й”®иғҪеҮҸеҺ»з”ҹжҲҗзү©й”®иғҪ)еҲ©з”火狐电竞Ёй”®иғҪиҝӣиЎҢеҸҚеә”зғӯзҡ„и®Ўз®—(1)е·ІзҹҘ:в‘CH3OH(1)гҖҒH2(g)зҡ„зҮғзғ§зғӯ(в–іH)еҲҶеҲ«дёә727kJВ·molhгҖҒ⑵85.8kJВ·mol-гҖӮв‘ЎH2O(1)H2O(g
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