For the reactions below, which reactions have negative entropy? 1. AgNO3(aq) + NaCl(aq) --> AgCl(s) +...
Indicate which one of the following reactions results in a positive DSsys. AgNO3(aq) + NaCl(aq) — 7 AgCl(s) + NaNO3(aq) C2H2O2(g) + 2 CO(g) + H2(g) H2O(g) + H20(1) H2(g) +12(g) D - HI(g) HCI(g) + H2O(1) + HCl(aq)
Indicate which one of the following reactions results in a positive ?Ssys. a. AgNO3(aq) + NaCl(aq) <-->AgCl(s) + NaNO3(aq) b. HCl(g) + H2O(l) <--> HCl(aq) c. H2(g) + I2(g) <--> 2 HI(g) d. C2H2O2(g) <--> 2 CO(g) + H2(g) e. H2O(g) <--> H2O(aq) The answer is D. Can someone please explain why? and how the answer was determined?
2. When solutions of AgNO3 and NaCl react, the balanced molecular equation is: AgNO3(aq) + NaCl(aq) + AgCl(s) + NaNO3(aq) How much AgCl is produced when 3.10 g of AgNO, reacts with excess NaCl? a. 1.55 g b. 2.62 c. 4.17 g d.6.20 g
1. Which of the following will have the greatest standard molar entropy (Sº)? a. NH3(g) d. H:0(1) b. He(g) e. CaCO(s) c. C(s, graphite) 2. Indicate which of the following has the highest entropy at 298 K. a. 0.5 g of HCN b. 1 mol of HCN c. 2 kg of HCN d. 2 mol of HCN e. All of the above have the same entropy at 298 K. EVALUATING AS FOR REACTIONS (non-math recognition) 3. Indicate which one of...
NaCl (aq) + AgNO3(aq) → NaNO3(aq) + AgCl(s) Note: All of the aqueous species in the above reaction exists as ions in solution: NaCl(aq) exists as Na+ and Cl- AgNO3 exists as Ag+ and NO3- NaNO3 exists as Na+ and NO3- AgCl(s) is a white solid 1) A solution contains 2.00 grams of Sodium Chloride. How many grams of AgNO3 must be added to the solution to completely react with Sodium Chloride according to the reaction above? List equipment and materials...
2. When solutions of AgNO3 and NaCl react, the balanced molecular equation is: AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq) How much AgCl is produced when 3.10 g of AgNO3 reacts with excess NaCl? a. 1.55 g b. 2.62 c. 4.17 g d. 6.20 g 1. Given the reaction 2 HgO(s) → 2 Hg(1) + O2(g). What weight of elemental mercury will be obtained by the decomposition of 94.5 g of HgO? a. 43.8 g b. 78.5 g c. 87.5...
Identify which of the following reactions are redox reactions. 1st attempt Choose one or more: O NaHCO3(aq) + HI(aq) → Nal(aq) +H20(1) + CO2(8) O 3H2(g) + N2(g) → 2NH3(g) C6H12(s) +902(g) + 6H20(g) +6C02 (8) o NaCl(aq) + AgNO3(aq) → NaNO3(aq) + AgCl(s)
Classify each chemical reaction: Reaction Type Na CO2 (s) → Na20(s) + CO2(8) choose one AgNO3(aq) + NaCl(aq) → NaNO3(aq) + AgCl(s) choose one 2 Mg(s) + 02 (8) ► 2Mgo(s) choose one x 6 ?
QUESTION 7 Select the acid-base reaction. NaCl(aq) + AgNO3(aq) → NaNO3(aq) + AgCl(s) Ca(s) + Br_(0) – CaBry(5) NaCl(aq) + Kl(aq) → Nal(aq) + KCl(aq) O 3KOH(aq) + H3PO4(aq) → K3PO4(aq) + 3H20(1)
Separate the following balanced chemical equation into its total ionic equation. AgNO3(aq)+NaCl(aq) ---> NaNO3(aq)+AgCl(s) __ (aq) + __ (aq) + __ (aq) + __ (aq) --> __ (aq) + __ (aq) + __ (s)