Compound states [like (s) (aq) or (g)] are not required. You can use parenthesis () or brackets []. How To Balance Equations Balance any equation or reaction using this chemical equation balancer! Find out what
NH4+(aq)+ I-(aq)+ Ag+(aq)+ ClO3-(aq)= AgI(s)+ NH4+(aq)+ ClO3-(aq) Spectator Ions Spectator ions are ions that do not take part in the reaction. They are removed from the complete ionic equation to get the net ionic equation. ...
己知:HCN(aq)与NaOH(aq)反应的△H=-12.1KJ/mol;HCl(aq)与NaOH(aq)反应的△H=-55.6KJ/mol.则HCN在水溶液中电离的△H等于( ) A、-67.7 KJ/mol B、-43.5 KJ/mol C、+43.5 KJ/mol D、+67.7 KJ/mol19世纪-20世纪,德国培养和出现了很多的化学家和物理学家,如魏勒、凯库勒、拜尔、霍夫曼、李比希、...
②稀溶液中,H+(aq)+OH-(aq)═H2O(l)△H=-57.3kJ/mol又知由H2和O2两种气体反应生成1mol液态水比生成1mol气态水多放出44kJ热量.下列结论中正确的是( ) A、H2的燃烧热为285.8 kJ/mol B、H2和O2反应生成液态水时的热化学方程式为H2(g)+ 1 2O2(g)=H2O(l)△H=-571.6 kJ/mol C、稀硫酸与稀NaOH...
Hg(NO3)2 + NaOH + H2O2 = Hg(OH)2 + NaNO3 + O2 CH3(CH2)4CH3 + O2 = C2 + H2O C5H12 + Br2 = C4H8 + HBr Al(NO3)3 + (NH4)2S + H2O = Al(OH)3 + H2S + NH4NO3 Fe(OH)3 + KClO3 + KOH = K2FeO4 + KCl + H2O
不需要复合状态[如(s)(aq)或(g)]。 你可以用小括号()或括号[ ]。 如何平衡方程式 使用本计算器来平衡任何化学方程式或反应!找出发生了哪种反应。 阅读我们的关于如何平衡化学方程式的文章,或在我们的聊天中寻求帮助。例子Fe2(SO4)3 + NH4I = FeSO4 + I2 + (NH4)2SO4 FeI3 + (NH4)2SO4 = NH4I +...
a = 1 (NH4Cl) b = 1 (KIO3) c = 1 (KCl) d = 1 (NH4IO3) Step 4: Substitute Coefficients and Verify Result Count the number of atoms of each element on each side of the equation and verify that all elements and electrons (if there are charges/ions) are balanced. ...
b = 1 ((NH4)2CO3) c = 2 (NH4I) d = 1 (BaCO3) Step 4: Substitute Coefficients and Verify Result Count the number of atoms of each element on each side of the equation and verify that all elements and electrons (if there are charges/ions) are balanced. ...
aBaI2+b(NH4)2CO3=cBaCO3+dNH4I Step 2: Create a System of Equations Create an equation for each element (Ba, I, N, H, C, O) where each term represents the number of atoms of the element in each reactant or product. Ba:1a +0b=1c +0dI:2a +0b=0c+1dN:0a+2b =...
Compound states [like (s) (aq) or (g)] are not required. You can use parenthesis () or brackets []. How To Balance Equations Balance any equation or reaction using this chemical equation balancer! Find out what type of reaction occured. Read our article on how to balance chemical equati...