Which reaction is accompanied by an increase in entropy? A. (CH3)2CO() + 4 O2(g) → 3...
Question 14 Which reaction is accompanied by an increase in entropy? A. Ba(OH)2(s) + 2 HCl(g) → BaCl2.2H2O(s) B. C12H20() + 17 O2(g) - 12 CO2(g) + 10 H200) OC. NH4Cl(s) → NH3(g) + HCl(g) OD.2 C2H2(g) + 5 O2() → 4 CO2() + 2 H2O(s) E. (CH3)2CO(l) + 4 O2(g) + 3 CO2(g) + 3 H2011)
Which reaction is accompanied by an increase in entropy? A N2(g) + 3 H2(g) – 2 NH3(g) B. Ba(OH)2(s) + CO2(g) → BaCO3(s) + H2O(1) C. NH4NO2(s) – N2(g) + 2 H20(0) D.2 C2H2(g) + 5 O2(g) – 4 CO2(g) + 2 H2O(s) E. C8H16(1) + 12 O2(g) — 8 CO2(g) + 8 H 20(1)
Consider following chemical reactions: 1) CHa(g) +202(8)-CO2(g) 2H20() 2) C(s) O2(g) CO2(g) 3) 2C(s)O2(g) 2CO(g) 4) 3C(s) 2H20()CH4(g)2CO(g) H2O(I) indicates that H2O is in liquid state. If the Enthalpy of reaction for reaction 1, 2, and 3 are -890.4kj, -393.5kj and -221.0kj respectively; try to figure out the Enthalpy of reaction for reaction 4. Please show your work.
LiCiO3(s) — LiCl(s) + O2(g) LiCiO3(s) -> LiCl(s) + L O2(g) b CAH(g) + O2(g) + CO2(g) + H, 0(2) C,H3 (8) + O2(E) — CO2(8) + H2O(l) nitrogen + oxygen dinitrogen pentoxide 1 nitrogen + oxygen - dinitrogen pentoxide BeCl,(s) + H2O(g) → Beo(s) + HCl(g) BeCl(s) + H2O(g) →→ BeO(s) + HCl(g) BaH, (s) + H2O(l) + Ba(OH)2(s) + H2 (8) BaHz(s) + H, 0() Ba(OH)2(s) + H2(g)
for which of these an increase in entropy? a. caco3(s)-> Cao(s)+ co2(g) b. Nh3(g)+ Hcl(g)-> nh4cl(s) c. h20(g)-> h20(l) d.2no2(g)-> n202(g)
Which reaction is accompanied by an increase in entropy? A. ZnS_(s) + 3/2O_2_(g) rightarrow ZnO_(s) + SO_2_(g) B. CH_4_(g) + H_2O_(g) rightarrow CO_(g) + 3H_2_(g) C. BaO_(s) + CO_2_(g) rightarrow BaCO_3_(s) D. Na_2CO_3_(s) + CO_2_(g) + H_2O_(g) rightarrow 2 NaHCO_3_(s) E. all the above F. none of the above
4.) (20%) Which one of the following is an acid base reaction? a) C(s) + O2(g) → CO2(g) b) 2 HCl(aq) + Ca(OH)2(aq) + 2 H2O(1) + CaCl2(aq) c) Fe(s) + 2 AgNO3(aq) — 2 Ag(s) + Fe(NO3)2(aq) d) MgSO4(aq) + Ba(NO3)2(aq) + Mg(NO3)2(aq) + BaSO4(s) e) None of the above are acid base reactions.
Which reaction or process has the greatest positive change in entropy, AS? A. 2 SO2(g) + O2(g) - 2 SO3(g) B. 2 KCIO3(s) - 2 KCl(s) + 3 O2(g) C. 2 Mg(s) + O2(E) – 2 Mgo(s) OD.2 C2H2(g) +5 O2(g) – 4 CO2(g) + 2 H20(1) E. Ag+(aq) + Cit(aq) – AgCl(s)
22. Choose the process(s) that lead(s) to an increase in entropy of the system. Treat all gases as ideal. A) The pressure of 1 mole of Oz is doubled through compression at a constant temperature. B) CO2 is expanded to 10x its original volume. C) A glass of water cooling down to a lower temperature. D) NH3(g) + HCl(g) → NH4Cl(s) E) 2H2(1) + O2(1) → 2H2O(g)
Buckboard quem cumpretrom Icarus. Which one of the following reactions or processes has a negative entropy change? A. BF3(g) + NH3(g) → F3BNH3(5) B. 2 503(g) - 2 SO2(g) + O2(g) C. 2NH4NO3(s) - 2 N2(g) + 4 H2O(g) + O2(g) D. 2 NH3(g) → N2(g) + 3 H2(g) E. H2011) H2O(g)