Zn(s) + AgNO3(aq) arrow Zn(NO3)2(aq) + 2Ag(s) Which equation describes a redox reaction? a. 2Al(s) + 3H2SO4(aq) arrow Al2(SO4)3(aq) + 3H2(g) b. 2KBr(aq) + Pb(NO3)2(aq) arrow 2KNO3(aq) + PbBr2(s) c. CaBr2(aq) + H2S...
Balance the equation: Al (s) + HCl (aq) to AlCl_3 (aq) + H_2 (g) Explain the process used to balance equations and then give the coefficients that will balance the equation below. AlCl3 + K2SO4 arrow Al2(SO4)3 + KCl Write a balanced equatio...
2Al2O3(s) to 4Al(s) + 3O2(g) The following nuclear equation is balanced: 238U \rightarrow 231Th + 4He. True False Answer true or false: In all chemical reactions, the number of moles of products is the same as the number of moles of reactants. In ...
79. Write a balanced equation that describes each of the following Donʼt forget your seven diatomics! and remember to balance Charges! a. Iron metal reacts with oxygen to form rust [iron (II) oxide] b. Calcium metal reacts with water to produce aqueous calcium hydroxide and ...
下列是某同学对相应反应的离子方程式所作的评价,其中评价完全合理的是( ) 编号 化学反应 离子方程式 评价 ① Cu和AgNO3溶液反应 Cu++Ag+=Cu2++Ag 正确 ② 氧化铝与NaOH溶液反应 2Al3++3O2-+2OH-=2AlO2-+H2O 错误,Al2O3不应写成离子形式 ③ Fe和稀硫酸反应 2Fe+6H+=2Fe3++3H2↑ 正确 ④ 钠与硫...
The CO of the syngas reacts with the gaseous H2O to produce H2 and CO2, the CO2 being captured by the CaO to form hot CaCO3 in an exothermic reaction, the hot CaCO3 being discharged to the calciner, the heat content of the CaCO3 being used to strip the CO2 from the CaO in an ...
True or False: The balanced reaction: 4 Fe(s) + 3 O2(g) arrow 2 Fe2O3(s) is an oxidation-reduction reaction. True or false? In the following chemical reaction, CaO is the reducing agent. 2Ca(s) + O2(g) arrow 2CaO(s)
O2(g)+Cu(s)?Cu2+(aq) Balance this redox reaction using the half reaction method. \ H_2S + HNO_3 \rightarrow S_8 + NO + H_2O Write the balanced redox reaction for the following unbalanced redox reaction. In^3+ + Li(s) gives In(s...
Use the half-reaction method to write a balanced redox reaction method for the reaction. C_2O_4^{2-} (aq) + MnO_4 ^{2+} (aq) to Mn^{2+} (aq) + CO_2 (g) Identify the oxidizing agent in the following redox reaction CH4 + 2O2 \rightarrow CO2 +2H...
\\ 6H^+ + 5H_2O_2 + 2MnO_4^- \rightarrow 5O_2 + 2Mn^{2+} + 8H_2O What is the net ionic equation form the reaction between Na_2S(aq) and Pb(HCO_3)_2(aq)? Write the balanced net ionic equation for the following reaction. NH_3 and K_2...