
CHEMWORK Check the reactions which are endothermic. (Select all that apply.) N2(g) → 2 N(g) 12(g)...
For which of the following reactions is AS™ > 0. Choose all that apply. CH4(g) + H2O(g) + 3H2(g) + CO(g) NH,HS() + NH3(g) + H2S(g) 2H2O(g) + 2Cl2(g) + 4HCl(g) + O2(g) 2NO(g) + 2H2(g) → N2(g) + 2H2O(1) 2N2(g) + O2(g) → 2N2O(g) ООО Submit Answer Try Another Version 3 item attempts remaining ot pt pt The molar solubility of silver chromate in a 0.246 M sodium chromate solution is M Submit Answer Try Another Version 3 item...
Which of the following reactions are redox reactions? Check all that apply. Check all that apply . Al(s)+3Ag+(aq) = Al3+(aq)+3Ag(s) SO3(g)+H2O(l) = H2SO4(aq) Ba(s)+Cl2(g) = BaCl2(s) Mg(s)+Br2(l) = MgBr2(s)
Part A Which of the following reactions are redox reactions? Check all that apply. Check all that apply. Al(s)+3Ag+(aq)→Al3+(aq)+3Ag(s) SO3(g)+H2O(l)→H2SO4(aq) Ba(s)+Cl2(g)→BaCl2(s) Mg(s)+Br2(l)→MgBr2(s)
Balance the following equations (stoichiometric reactions):
C8H18 + 12.5 ( O2 + 3.76 N2 ) = CO2 + N2 + H2O
C12H26 + 18.5 ( O2 + 3.76 N2 ) = CO2 + N2 + H2O
C2H4 (OH)2 + O2 = CO2 + H2O
1. Balance the following equations (stoichiometrical reactions): a). C3H18 (8) + 12.5 (02 + 3.76 N2) (8) → CO2 (8) + N2 (9) + H2O (8). b). C12H26 (g) + 18.5 (02 +3.76 N2) (8) +...
For which of the following reactions is AS° > 0. Choose all that apply. CH4(g) + H2O(g) + CO(g) + 3H2(g) 4NH3(g) + 502(g) → 4NO(g) + 6H2O(g) 2CO(g) + O2(g) + 2C02(g) NH4Cl(s) + NH3(g) + HCl(g) 2NH3(g) + 202(g) + N2O(g) + 3H2O(1)
need help with all
Predict if the following reactions are exothermic or endothermic a) 2 H2(g) + O2(g/> 2 H2O(g) ΔΗ -484 kJ b) 2 Al(s) + Fe2O3(s) → 2 Fe(s) + Al2O3(s)AH =-852 kJ c) 2 H2O(g) 2 H2(g) + O2(g)AH :484 kJ d) 2 NH3(g) → N2(g) + 3 H2(g)AH = 92.2 kJ e) H2O(g) H2O(l) ΔΗ--44 kJ
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)
Which of the following reactions are redox reactions? Check all that apply. Check all that apply. Al(s)+3A g + (aq)→A l 3+ (aq)+3Ag(s) S O 3 (g)+ H 2 O(l)→ H 2 S O 4 (aq) Ba(s)+C l 2 (g)→BaC l 2 (s) Mg(s)+B r 2 (l)→MgB r 2 (s)
For which of the following reactions is AS° > 0. Choose all that apply. 2C2H6(g) + 702(g) + 4CO2(g) + 6H2O(g) ONH4HS(s) + NH3(g) + H2S(g) S(s,rhombic) + 2CO(g) → SO2(g) + 2C(s,graphite) N2(g) + 3H2(g) + 2NH3(g) 2H2O(g) + 2Cl2(g) + 4HCI(g) + O2(g) Submit Answer Retry Entire Group 6 more group attempts remaining
For which one of the following reactions is ASº negative? Select one: O a. 3 H2(g) + Fe2O3(s) → 2 Fe(s) + 3 H2O(g) O b. (NH4)2CO3(s) + 2 NH3(g) + H2O(g) + CO2(g) O c. 2 NO2(g) → N2(g) + 2 O2(g) O d. 2 IBr(g) → Iz(s) + Brz(4) o e. CoH6(s) → CoH6()