Сцепочками kclo3–? ——so2–s —h2–nh3–? —no2 o2–o3–? —naj—nacl kmno4–? —so2–? —h2s2o7–h2so4 –fe—fecl3–? —fe(oh)2–fe(oh)2–fe2(so4)3
162
365
Ответы на вопрос:
решение
kclo3–? ——so2–s
4kcl = t 400 c = 3 kco4 + kcl
2kclo3 = t 100 c, mno2= 2kcl + 3o2
o2 + 2h2 = 2h2o
6h2o + al2s3 = 2al(oh)3 + 3h2s
2h2s + 2o2 = so2 + 2h2o
so2 = s + o2
—h2–nh3–? —no2
2nacl + 2h2o = 2naoh + cl2 + h2↑
2na + h2 = 2nah
nah + h2o = naoh + h2↑
3h2 + n2 = 2nh3
4nh3 + 5o2 = катализ, t = 4no + 6h2o
2no + o2 = 2no2
kmno4–? —so2–? —h2s2o7–h2so4
2kmno4 →t→k2mno4 + mno2 + o2o2 + s = so2
2so2 + o2 = 2so3
so3 + h2so4 = h2s2o7
h2s2o7 + h2o = 2h2so4
–fe—fecl3–? —fe(oh)2–fe(oh)3–fe2(so4)3
2fe + 3cl2 = 2fecl3
fecl3 + 3naoh = fe(oh)3↓ + 3nacl
2fe(oh)3↓ = t= fe2o3 + 3h2o
fe2o3 +3h2 = t 1000 c= fe + 3h2o
2fe + 3cl2 = 2fecl3
2fecl3 + 3zn = 3zncl2 + 2fe
2fe + 2h2o + o2 = 2fe(oh)2
4fe(oh)2 + 2h2o + o2 = 4fe(oh)3↓
2fe(oh)3 + 3h2so4 = fe2(so4)3 + 6h2o
Популярно: Химия
-
алина388203.12.2022 21:39
-
kamilhabirov10.10.2021 09:29
-
lana23107526.08.2022 16:16
-
supervoron07.11.2022 21:48
-
oksanadavidienozexft10.06.2023 16:44
-
елена118002.03.2021 17:02
-
tatianalednewa24.03.2023 13:58
-
Али2006111103.06.2021 08:16
-
клубника2524.02.2023 18:28
-
dkflbvbh197227.02.2023 02:11