Ответы на вопрос:
Fe(oh)2 + cro4{2-} = fe2o3 + cr(oh)4{-} + oh{-} + h2o => 6 fe(oh)2 + 2 cro4{2-} = 3 fe2o3 + 2 cr(oh)4{-} + 2 oh{-} + h2o al + co3 = al2(co3)3 => 2 al + 3 co3 = al2(co3)3 mg + n2 = mg3n2 => 3 mg + n2 = mg3n2 zn + sn{2+} = zn{2+} + sn => zn + sn{2+} = zn{2+} + sn c + hno3 = co2 + no + h2o => 3 c + 4 hno3 = 3 co2 + 4 no + 2 h2o ca(oh)2 + h3po4 = ca3(po4)2 + h2o => 3 ca(oh)2 + 2 h3po4 = ca3(po4)2 + 6 h2o c3h8 + o2 = co2 + h2o => c3h8 + 5 o2 = 3 co2 + 4 h2o sbcl3 + h2o = sbocl + hcl => sbcl3 + h2o = sbocl + 2 hcl h2so3 + ca(oh)2 = ca(hso3)2 + h2o => 2 h2so3 + ca(oh)2 = ca(hso3)2 + 2 h2o mg + cr{3+}(aq) = mg{2+} + cr => 3 mg + 2 cr{3+}(aq) = 3 mg{2+} + 2 cr ca(hso3)2 + ca(oh)2 = caso3 + h2o => ca(hso3)2 + ca(oh)2 = 2 caso3 + 2 h2o cacl2 + h2so4 = caso4 + hcl => cacl2 + h2so4 = caso4 + 2 hcl fe2{+} + h2o = fe(oh)3 + h{+} + e => fe2{+} + 6 h2o = 2 fe(oh)3 + 6 h{+} + 5 e h2s + koh = khs + h2o => h2s + koh = khs + h2o khs + koh = k2s + h2o => khs + koh = k2s + h2o na2co3 + cucl2 = co3cu + nacl => na2co3 + cucl2 = co3cu + 2 nacl fecl3 + nh4scn = nh4cl + cl + fe(scn) => fecl3 + nh4scn = nh4cl + 2 cl + fe(scn) h2s + ca(oh)2 = ca(hs)2 + h2o => 2 h2s + ca(oh)2 = ca(hs)2 + 2 h2o fecl3 + nh4scn = nh4cl + cl2fe(scn) => fecl3 + nh4scn = nh4cl + cl2fe(scn) k + h3po4 = kh3po4 => k + h3po4 = kh3po4 co2 = c + o => co2 = c + 2 o mno4{-} + al + h{+} = mn{2+} + al{3+} + h2o => 3 mno4{-} + 5 al + 24 h{+} = 3 mn{2+} + 5 al{3+} + 12 h2o hcl + pb(no3)2 = h(no3)2 + pbcl => hcl + pb(no3)2 = h(no3)2 + pbcl ca(hs)2 + ca(oh)2 = cas + h2o => ca(hs)2 + ca(oh)2 = 2 cas + 2 h2o nh4cl + cl2 = ncl3 + h => nh4cl + cl2 = ncl3 + 4 h h3po4 + koh = kh2po4 + h2o => h3po4 + koh = kh2po4 + h2o hcl + cao = cacl2 + h2o => 2 hcl + cao = cacl2 + h2o k2hpo4 + koh = k3po4 + h2o => k2hpo4 + koh = k3po4 + h2o nano3 + nh4cl = no3nh4 + nacl => nano3 + nh4cl = no3nh4 + nacl fe2{+} + h2o = fe2o3 + h{+} + e => fe2{+} + 3 h2o = fe2o3 + 6 h{+} + 5 e h3po4 + ca(oh)2 = ca(h2po4)2 + h2o => 2 h3po4 + ca(oh)2 = ca(h2po4)2 + 2 h2o h2so4 + na2co3 = na2so4 + h2o + co2 => h2so4 + na2co3 = na2so4 + h2o + co2 h2 + cl2 = hcl => h2 + cl2 = 2 hcl koh + co2 = k2co3 + h2o => 2 koh + co2 = k2co3 + h2o cu + o2 = cuo => 2 cu + o2 = 2 cuo na + h2o = h2 + naoh => 2 na + 2 h2o = h2 + 2 naoh ca(h2po4)2 + ca(oh)2 = ca(hpo4) + h2o => ca(h2po4)2 + ca(oh)2 = 2 ca(hpo4) + 2 h2o h2o2 = h2o + o2 => 2 h2o2 = 2 h2o + o2 fe{2+} + h2o = fe2o3 + h{+} + e => 2 fe{2+} + 3 h2o = fe2o3 + 6 h{+} + 2 e fe{2+} + h2o = fe(oh)3 + h{+} + e => fe{2+} + 3 h2o = fe(oh)3 + 3 h{+} + e hgo = hg + o => hgo = hg + o cu(oh)2cuco3 + h2so4 = cuso4 + co2 + h2o => cu(oh)2cuco3 + 2 h2so4 = 2 cuso4 + co2 + 3 h2o pt + o2 = pt2o => 4 pt + o2 = 2 pt2o pt + o2 = pto => 2 pt + o2 = 2 pto cu + hno3 = cu(no3) + no + h2o => 3 cu + 4 hno3 = 3 cu(no3) + no + 2 h2o mncl2 + h2s = mns2 + h2cl => mncl2 + 2 h2s = mns2 + 2 h2cl cacl2 = ca + cl2 => cacl2 = ca + cl2 nh3 + o2 = no + h2o => 4 nh3 + 5 o2 = 4 no + 6 h2o cu + hcl = cucl + h2 => 2 cu + 2 hcl = 2 cucl + h2 nh3 + o2 = no + h2o => 4 nh3 + 5 o2 = 4 no + 6 h2o
Популярно: Химия
-
Alecsa2003321.11.2020 03:14
-
irakar0321.06.2022 08:58
-
Messi11111111111111122.03.2023 05:21
-
235www04.06.2020 11:54
-
Fantom79227.05.2023 19:57
-
настясердечкотв210.06.2020 19:17
-
Pasha232214.04.2022 12:03
-
Malajazaika07.04.2021 14:13
-
vika00vgbjh18.12.2021 15:36
-
gladishsofiya12.11.2022 20:24