Cl2(g) + SO42- (aq) + 2KOH (aq) 2Naci (s) + BaSO4(s) + 2K2Cr04 (aq) 2na (g)...
Predict the sign of the entropy change, ΔS∘, for each of the reaction displayed. Ba2+ (aq) + SO42- (aq) --> BaSO4 (s) 2NO2 (g) --> N2 (g) + 2O2 (g) C5H12 (g) + 8O2 (g) --> 5CO2 (g) + 6H2O (g) 2NaClO3 (s) --> 2NaCl (s) + 3O2 (g) 2Na (s) + Cl2 (g) --> 2NaCl (s) CH3OH (l) --> CH3OH (g)
What is the enthalpy change, ΔH∘rxn , for each of the following reactions? 1.2.3.Ag+(aq)+Li(s)Fe(s)+2Na+(aq)2K(s)+2H2O(l)→→→Ag(s)+Li+(aq)Fe2+(aq)+2Na(s)2KOH(aq)+H2(g) Express your answers in kilojoules to four significant figures separated by commas.
B. Calculate the standard entropy change for the reaction 2Na(s)+Cl2(g)?2NaCl(s) using the data from the following table: Substance ?H?f (kJ/mol) ?G?f (kJ/mol) S? [J/(K?mol)] Na(s) 0.00 0.00 51.30 Cl2(g) 0.00 0.00 223.1 NaCl(s) -411.0 -384.0 72.10 Express your answer to four significant figures and include the appropriate units. Part A Predict the sign of the entropy change, AS°,for each of the reaction displayed. Drag the appropriate items to their respective bins. Ag+(aq) + Cl-(aq) → AgCl(s) | | Ca(OH)2(s) →...
need soon please of mber of noted Part A . value der crease Predict the sign of the entropy change, AS, for each of the reaction displayed. Drag the appropriate items to their respective bins. View Available Hint(s) as ated Reset Help Ba2+ (aq) + SO42- (aq) +BaSO4(s) 2NaCIO3(s)2NaCl(s) + 302(g) 2NO2(g)-N2(g) +202(g) 2Na(s) + Cl2(g) +2NaCl(s) C H3(g) + 602(g) +4CO2(g) + 411,0 () 1,(s)-#(8) Positive Negative
3 .Which one of the following reactions is a redox reaction? 1. 2Al(s) + 2KOH(aq) + 6H2O(l) → 2KAl(OH)4(aq) + 3H2(g) 2. Pb(NO3)2(aq) + 2HCl(aq) → PbCl2(s) + 2HNO3(aq) 3. Zn(OH)2(aq) + H2SO4(aq) → ZnSO4(aq) + 2H2O(l)
For each of the following reactions, predict the sign of ΔS°. 2Na(s) + Cl2(g) → 2NaCl(s) KBr(s) → K+(aq) + Br−(aq) 2H2(g) + O2(g) → 2H2O(l) C2H2(g) + 4F2(g) → 2CF4(g) + H2(g)
A chemist measures the enthalpy change ΔH during the following reaction: 2Na (s) + Cl2 (g) → 2NaCl (s) =ΔH−822.kJ Use this information to complete the table below. Round each of your answers to the nearest /kJmol . A chemist measures the enthalpy change AH during the following reaction: 2Na(s) + Cl2(g)→2 NaCl(s) NH=-822. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ/mol reaction △H kJ NaCl(s) → Na(s) + Cl2(g)...
help with thes 12. In the reaction, K2SO4(99) + Ba(NO3)2(aq) + BaSO4(s) + 2 KNO3(aq), which ions are the spectator ions? a. Ba2+ and SO42- b. Ba2+ and K+ c. Ba2+ and NO3 d. K+ and SO42- e. K+ and NO3 13 Which is the net ionic equation for the reaction which takes place when HCl(ag) is added to KOH(aq)? a. HCl(aq) + KOH(99) KCl(aq) + H2O(1) b. H(aq) + OH(aq) + H2O(1) c. HCl(aq) + OH(aq) + Cl(aq) +...
11 The reaction, BaCl(aq) + H2SO4(aq) → BaSO4(s) + 2 HCl(aq), is an example of a a. precipitation reaction b. decomposition reaction c. single replacement reaction d. combustion reaction e. combination reaction 12. In the reaction, K2SO4(aq) + Ba(NO3)2(aq) + BaSO4(s) + 2 KNO3(aq), which ions are the spectator ions? a. Ba?- and SO42 b. Ba2+ and K+ c. Bat and NO3 d. K and SO2- e. K and NO3 13 Which is the net ionic equation for the reaction...
A chemist measures the enthalpy change ΔH during the following reaction: 2Na (s) + Cl2 (g) → 2NaCl (s) =ΔH−822.kJ Use this information to complete the table below. Round each of your answers to the nearest /kJmol . reaction H →+6Nas3Cl2g6NaCls kJ →12NaCls+12Nas14Cl2g kJ →2NaCls+2NasCl2g kJ