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8-sinf Kimyo olimpiada №3

Yanvar 3, 2023

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8-sinf Kimyo olimpiada №3

30.12.2022 yil oo.uzedu.uz

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CH_4(g) + H₂O_(g) = CO_(g) + H_2(g)reaksiyada CH₄ ning 50%-i sarflanganda muvozanat qaror topdi. Reaksiya uchun olingan CH₄ va H₂O larning konsentratsiyalari mos ravishda 1,7 va 2,3 mol/l bo`lsa, CO va H₂ larning muvozanat konsentratsiyalari (mol/l) yig`indisini aniqlang.

3,4

1,2

2,6

0,4

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Quyidagi moddalarni tarkibida (a) qutbli kovalent (b)qutbsiz kovalent (c) donor –akseptor (d) ionli bog’lari bor bo’lganlarini aniqlang 1)N₂ 2)NH⁺₄ 3)CO 4)Mg CO₃ 5)H₂ C₂ O₄ 6)Ba(NO₃ )₂

a-2.3.4.5.6 b-1 c-2.3. d-4.6

a-2.3.4.5.6 b-1.5 c-2.3. d-4.6

a-2.3.4.5.6 b-1 c-2.3.6. d-4.6

a-2.3.4.5.6 b-1.5 c-2.3.6. d-4.6

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