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Balance the reaction of NaBr + CaO --> CaBr2 + Na2O
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- Use the appropriate tables to calculate H for (a) the reaction between MgC03(s) and a strong acid to give Mg2+(aq), CO2(g), and water. (b) the precipitation of iron(III) hydroxide from the reaction between iron(III) and hydroxide ions.Given HFH+(aq)+F(aq)Ka=6.9104HF(aq)+F(aq)H2(aq)K=2.7 calculate K for the reaction 2HF(aq)H+(aq)+HF2(aq)Atomic masses can be determined by electrolysis. In one hour, a current of 0.600 A deposits 2.42 g of a certain metal, M, which is present in solution as M+ ions. What is the atomic mass of the metal?
- Consider the reaction: H;C,O, + KMNO, + H,SO, CO, + MnSO, + K;SO, + H,O. What should be the coefficient of H;C,O, in order to balance the equation?Complete and balance the following half-reaction in acidic solution TiO:(s) → Ti2" (aq) 4- N3- |2+ 3+ L74+ 4 5 7 8 Do ) (s) (1) (g) (aq) + H e- Ti H3O+ H2O H+ OH- 1L 3.What should be the coefficient of C,H;OH in order to balance the chemical reaction: CH5OH + K2Cr,0, + H2SO, CH;COOH + Cr2(SO.), + K,SO, + H,O?
- Write the balanced NET ionic equation for the reaction when aqueous KBr and aqueous AGC2H3O2 are mixed in solution to form aqueous KC:H3O2 and solid AgBr.The aluminum in a 1.2 g sample of impure ammonium aluminum sulfate was precipitated with aqueous ammonia. The precipitate was filtered and ignited at 1000 oC to give anhdrous Al2O3, which weighed 0.1798 g. Express the result of this analysis in terms of % NH4Al(SO4)2 and % Al2O3 (Molar mass of Al2O3 =101.96 g/mol, Molar mass of NH4Al(SO4)2= 237.15 g/mol)alternative to the (a) · Provide following reactions with justification in support of the alternative method : green ÇHO NaOH (i) Ph ELOH Ph ÇOOET КОН (ü). Br ELOH, reflux, 36 hrs, Он COOEt