7) For the chemical reaction NH3(aq) + HCl(aq) → NH4*(aq) + CF (aq) the acid and conjugate base are a) NH3 (acid); NH4+ (conjugate base) b) NH3 (acid); CI (conjugate base) c) HCl (acid); NH3 (conjugate base) d) HCl(acid); NH4* (conjugate base) e) HCl (acid); CI (conjugate base)
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7) For the chemical reaction NH3(aq) + HCl(aq) + NH4+(aq) + Cl(aq) the acid and conjugate base are a) NH3 (acid); NH" (conjugate base) b) NH; (acid); CF (conjugate base) c) HCl (acid); NH3 (conjugate base) d) HCl (acid); NHa* (conjugate base) e) HCI (acid); C(conjugate base)
7) For the chemical reaction NH3(aq) + HCl(aq) + NH4" (aq) + Cl(aq) the acid and conjugate base are a) NH; (acid); C (conjugate base) b) NH; (acid); NH4 (conjugate base) c) HCI (acid); Cl"(conjugate base) d) HCI (acid): NH (conjugate base) e) HCI (acid); NHA (conjugate base) 8) A buffer solution is formed by adding 0.0100 moles of potassium dihydrogen phosphate (KH_PO4) and 0.0100 moles of potassium hydrogen phosphate (K,HPO) into 1.000 liters of water. When 0.0010 moles of...
Which of the following in the net ionic equation for the titration of NH3(aq) with HCl(aq)? + NH4 (aq) a) H(aq) + OH(aq) → H2O(1) b) NH3(aq) + H (aq) c) NH3(aq) + HCl(aq) → NHCl(aq) d) NH3(aq) + H+ (aq) +Cl(aq) → NH4*(ng) + Cl(aq) OA B Ос OD
GIVEN THE FOLLOWING DATA FOR THIS REACTION: NH4+(aq) + NO2-(aq) ---> N2(g) + 2H2O(l) EXPT NH4+ NO2- RATE 1 0.010 M 0.020 M 0.020 M/s 2 0.015 M 0.020 M 0.030 M/s 3 0.010 M 0.010 M 0.005 M/s a. Calculate the order of reaction with respect to NH4+ b. Calculate the order of reaction with respect to NO2- c. Calculate the rate constant k d. Determine the overall order of reaction e. Determine the rate law
Consider the reaction HCl(g)NH3(g)>NH4C1(s) Using standard thermodynamic data at 298K, calculate the entropy change for the surroundings when 2.45 moles of HCl(g) react at standard conditions. ASO surroundings J/K
Consider the reaction HCl(g)NH3(g)>NH4C1(s) Using standard thermodynamic data at 298K, calculate the entropy change for the surroundings when 2.45 moles of HCl(g) react at standard conditions. ASO surroundings J/K
The rate law for the reaction NH4+(aq) + NO2−(aq) → N2(g) + 2H2O(l) is given by rate = k[NH4+][NO2−]. At a certain temperature, the rate constant is 3.80 × 10−4 /M·s. Calculate the rate of the reaction at that temperature if [NH4+] = 0.261 M and [NO2−] = 0.160 M. × 10 M/s Enter your answer in scientific notation.
8) For the chemical reaction NH3(aq) + HCl(aq) → NHA" (aq) + Cl(aq) the acid and conjugate base are a) HCl (acid); CH(conjugate base) b) HCl(acid); NH; (conjugate base) c) HCI (acid); NHA" (conjugate base) d) NH3 (acid); NH4* (conjugate base) e) NH, (acid); CI (conjugate base)
Chemical reaction: (NH4)2SO4 (aq) + 2KOH (aq) > k2SO4 (aq) + 2NH3 (g) + H2O (l) Collected in 100.00 mL flask, 25.0 C. complete the table, find for each one using molar masses (NH4)2SO4 , KOH , K2SO4 , NH3 amount before rxn: 50.0 mL of 0.111 M , 50.0 mL of 0.200M solution, moles before rxn: moles after rxn: amount after rnx (in M):
Consider these reactions, where M represents a generic metal. 2M(s)+6HCl(aq)⟶2MCl3(aq)+3H2(g)Δ?1=−924.0 kJ2M(s)+6HCl(aq)⟶2MCl3(aq)+3H2(g)ΔH1=−924.0 kJ HCl(g)⟶HCl(aq) Δ?2=−74.8 kJHCl(g)⟶HCl(aq) ΔH2=−74.8 kJ H2(g)+Cl2(g)⟶2HCl(g) Δ?3=−1845.0 kJH2(g)+Cl2(g)⟶2HCl(g) ΔH3=−1845.0 kJ MCl3(s)⟶MCl3(aq) Δ?4=−123.0 kJMCl3(s)⟶MCl3(aq) ΔH4=−123.0 kJ Use the given information to determine the enthalpy of the reaction 2M(s)+3Cl2(g)⟶2MCl3(s)