a C3H5(OH)3 + b CuO = c Cu + d H2O + f CHOCHO Step 2: Create a System of Equations Create an equation for each element (C, H, O, Cu) where each term represents the number of atoms of the element in each reactant or product. C: 3a + 0b = 0c + 0d +...
例子:Fe, Au, Co, Br, C, O, N, F。 你可以用小括号()或括号[ ]。 找到摩尔质量 阅读我们关于如何计算摩尔质量的文章。 例子 Nh4(OH) C3H5O6(CH)3 CH3CHO2H2 CUO(SO) As2(O)3 Ca5(PO4)3OH Na*NO3 K2PO4{-} 7.71Kr 10C6H12O6 ZnBr2*3H2O W(Ca) 近期计算过的摩尔质量...
+OH-(aq)=CN-(aq)+H2O(1) ΔH=1、1.7 kJ/mol[答案](1)四、 Ⅷ、 2(2)正四面体、 离子键 (非极性)共价键(3)6Na+6H2O+2Fe3+=6Na++3H2↑+2Fe(OH)3↓(4)ΔH= +421.69kJ/mol.[答案](1)①Fe2O3(s) +3 CO(g)= 2Fe(s) +3CO2(g) △H = 3、0 kJ·mol-1(2...
2C3H5(OH)3+2Cu(OH)2= C6H12O7+ Cu2O +4H2O ReactantsProducts C66✔️ H2020✔️ O1012❌ Cu22✔️ Ois not balanced. Add1molecule ofCu(OH)2to the reactant (left-hand) side to balance Oxygen: 2C3H5(OH)3+3Cu(OH)2= C6H12O7+ Cu2O +4H2O ...
C3H5(OH)3+2Cu(OH)2= C3H5COOH +2CuOH +3H2O ReactantsProducts C34❌ H1214❌ O77✔️ Cu22✔️ We could not determine all the steps needed to balance the equation using trial and error. This may mean it requires too many steps and the chemical equatio...
CU + H2O = CU(OH)2 + H2 Fe{3+} + F = FeF6{3+} CaP + H2O = Ca(OH)3 + H3P Zn + MgSO4 = Zn + MgSO4 Recently Balanced EquationsBalance C3H5Cl + NaOH + H2O = C3H6O + NaCl + H2O Using the Algebraic Method To balance the equation C3H5Cl + ...
CUO + CO2 = CUCO3 HNO3 + KI + K2Cr2O7 = KNO3 + Cr(NO3)3 + I2 + H2O KCrO2 + H2O = K(Cr(OH)4) CaCO3 + NaCI = CaCO3 + NaCI NaOH + KBr = KOH + BrNa C6H5ONa + Br2 = C6H2ONa(Br) + BrH NaMnO4 + H2SO4 + H2S = Na2SO4 + MnSO4 + H2S + H2O C6H...