Express your answer as a chemical equation. hno3 + so2 -----> nohso4 [ nitrosohydrogen sulphate] it is intermediate compound & further reacts with HNO2 in lead chamber process to form H2SO4 with HNO2 1 feass +17 hno3 = 1 fe(no3)3 +1 h3aso4 +1 h2so4 +14 no2 +6 h2o 3 PbS +8 HNO3 = 3 Pb(NO3)2 +3 S +2 NO +4 H2O 1 MnO2 +1 K2C2O4 +2 H2SO4 = 1 MnSO4 +1 K2SO4 +2 CO2 +2 H2O Chemical reaction. Copper sulfide react with nitric acid to produce copper nitrate, sulfuric acid, nitrogen dioxide and water. For each of the following redox reactions, determine which element is being reduced and which is being oxidized (a) Ga(s) + 6 HNO3(aq) → Ga(NO3)3(aq) + 3 NO2(aq) + 3 H2O(l) element being reduced H element being oxidized Ga (b) MnO2(aq) + K2C204(aq) + 2 H2SO4(aq) → MnSO4(aq) + K2SO4(aq) + 2 CO2(g) + 2 H20( element being reduced element being oxidized (c) 5 Fe2+(aq) + MnO4-(aq) + 8 H … Identify all of the phases in your answer. Balancing chemical equations. You can write a redox equation from oxidation numbers to work out what is being reduced and what is being oxidised Formula S + HNO3 -> H2SO4 + NO2 + H2O Oxidation Number (S) 0 +6 Oxidation Number (N) +5 +5 Which atom has a change in oxidation number of –3 in the following redox reaction? epe 1) Cu(s)+HNO3(aq) Cu(NO3)2(aq) + H2O(I) +NO2(g) A redox reaction 2) Cu(NOs)2(aq) + Na2CO3(s) + H20-CuCO3 Cu(OH)2(s) NANO3(aq) + CO2(g) + A metathesis reaction In addition, any excess HNO3 reacts with some Na2CO3i 2a) HNO3(aq)+ Na2CO3(s)- NaNO3(aq) +CO2(g)+ H2O(1) Anjacid-base reaction ly 3) CUCO3-Cu(OH)2(s) +heat >CuO(s) + H20(I) + CO2(g) A decomposition … NiF2(aq)+Fe2(SO4)3(aq) ==NiSO4 (aq) + FeF3 (s) balance each of the following chemical equations. Therefore we can add another NO2 to the right: Cu+4HNO3 -> Cu(NO3)2+2NO2+2H2O. Add / Edited: 09.01.2015 / Evaluation of information: 5.0 out of 5 / number of votes: 1. ... CuS + 10 HNO3 = CuNO32 + H2SO4 + 8 NO2 + 4 H2O.

Please register to post comments. 1) HCL 2)H2S 3)HNO3 4) H2SO4 5)H2O contains the lowest percent by mass of hydrogen. You could also solve this with a 4-variable algebraic simultaneous equation - but it's … Can help me refresh my memory ... asked by Lisa on October 16, 2010; Chem.

asked by Kayla … K2Cr2O7 + H2O + S - - > KOH + Cr2O3 + SO2 K Cr*** O S .


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