itogovaya gosudarstvennaya attestatsionnaya rabota

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shifr_________ shtamp itogovaya gosudarstvennaya attestatsionnaya rabota po _______________________________ za 2023 – 2024-uchebniy god uchenika(tsi) ____-klassa shkoli №___________ _________________________________________ gorod/oblast ____________________________ __________________________________ rayon 1-variant 1-zadanie. pekar kladet v misku povarennuyu sol, muku, vodu i drojji, peremeshivaet ix, i meshaet testo. posle etogo ego ubral na neskolko chasov, chtobi v teste nachalsya protsess brojeniya. vo vremya brojeniya v teste proisxodyat ximicheskie protsessi: drojji (odnokletochnie gribi) prevrashayut kraxmal i saxar v muke v uglekisliy gaz i spirt. v rezultate brojeniya testo podnimaetsya (uvelichivaetsya v ob'eme). po kakoy prichine podnimaetsya testo? a testo podnimetsya potomu chto videlyaetsya uglekisliy gaz. b testo podnimaetsya, potomu chto v protsesse pod'ema voda isparyaetsya. c testo podnimaetsya za schet videleniya spirta, kotoriy prevrashaetsya v gaz. d testo budet podnimatsya potomu chto razmnojayutsya odnokletochnie gribi. otvet: ball: 2-zadanie. v yadre izotopa 82 neytrona. opredelite otnositelnuyu atomnuyu massu izotopa, esli protoni sostavlyayut 28,86% ot obshego chisla elementarnix chastits v yadre (p+n+e). …

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x koeffitsientov. h2o2+crcl3+koh→k2cro4+….+….. reshenie: otvet: ball: 7-zadanie. na kakie klassi uglevodi delyatsya po ix stroeniyu? a monosaxaridi, disaxaridi, polisaxaridi b monosaxaridi, uglevodi, polisaxaridi c aldegidi, ketoni, karbonovie kisloti d alkani, alkeni, alkini otvet: ball: 8-zadanie. napishite veshestva x1, x2, x3, x4 obrazuyushiesya v rezultate sleduyushix prevrasheniy. saxaroza glyukozaetiloviy spirtbutadien-1-3butan x1 x2 x3 x4 otvet: ball: 9-zadanie. rasschitayte ob'em (l, n.u.) alkina, poluchennogo v rezultate reaktsii 32 g karbida kaltsiya s molnim kolichestvom vodi v laboratornix usloviyax. reshenie: otvet: ball: 10-zadanie. na uroke ximii uchashiesya provodili eksperimenti s tselyu viyavleniya faktorov, vliyayushix na skorost razlichnix reaktsiy. 1-eksperiment. nebolshoe kolichestvo poroshka oksida medi(ii) pomestili v probirku s rastvorom sernoy kisloti. v techenie 3 minut nikakix priznakov reaktsii ne nablyudalos. cherez nekotoroe vremya ucheniki nagreli probirku. v rezultate poluchilsya rastvor sinego tsveta. 1) kakoy faktor, vliyayushiy na skorost reaktsii, nablyudali uchashiesya? 2) privedite primeri vliyaniya etogo faktora na skorost ximicheskix reaktsiy v povsedneyvnoy …

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shifr_________ shtamp itogovaya gosudarstvennaya attestatsionnaya rabota po _______________________________ za 2023 – 2024-uchebniy god uchenika(tsi) ____-klassa shkoli №___________ _________________________________________ gorod/oblast ____________________________ __________________________________ rayon 1-variant 1-zadanie. pekar kladet v misku povarennuyu sol, muku, vodu i drojji, peremeshivaet ix, i meshaet testo. posle etogo ego ubral na neskolko chasov, chtobi v teste nachalsya protsess brojeniya. vo vremya brojeniya v teste proisxodyat ximicheskie protsessi: drojji (odnokletochnie gribi) prevrashayut kraxmal i saxar v muke v uglekisliy gaz i spirt. v rezultate brojeniya testo podnimaetsya (uvelichivaetsya v ob'eme). po kakoy prichine podnimaetsya testo? a testo podnimetsya potomu ch...

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