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The entropy change for NH,(9) + NH3(aq) will probably be: Select the correct answer below: Negative...
Consider the reaction: NH CH3) NH3(g) + HCl(aq) Using standard absolute entropies at 298K, calculate the entropy change for the system when 2.29 moles of NH Cl(aq) react at standard conditions. Asystem / Submit Answer Retry Entire Group 7 more group attempts remaining
Question 7 Predict change in entropy for H2 + O2 --> 2H20 (1 point) negative none O positive O zero Question 8 Predict change in entropy for Fe(s)+ HCl(aq)--> H2(g) + FeCl2(aq) (1 point)* negative none positive zero
Short Answer: (4 points each) 1.) Predict whether the entropy change is positive or negative for each of the following reactions. GIVE YOUR REASON FOR YOUR PREDICTIONS a) 2KC1O4(s) → 2KCIO3() + O2(8) b) H2O → H2O) c) 2Na(3) + H2O → 2NaOH(aq) + H2() d) N2(g) → 2N) 2.) State whether the sign of the entropy change expected for each of the following processes will be positive or negative, and EXPLAIN YOUR PREDICTIONS. a) PC130) + Cl2(e) → PCls(s)...
Consider the reaction: NH4Cl(aq)NH3(g) + HCl(aq) Using standard thermodynamic data at 298K, calculate the entropy change for the surroundings when 1.81 moles of NH4Cl(aq) react at standard conditions.
Select all of the answers below that would lead to a spontaneous process. Group of answer choices a negative change in the entropy of the universe a positive change in the entropy of the universe a positive change in the entropy of the system with a magnitude that is smaller than a negative change in the entropy of the surroundings a positive change in the entropy of the system with a magnitude that is greater than a negative change in...
Identify types of reactions Involving acids and bases Question In the reaction H3PO4(aq) +3 NH3(aq) 3 NH (aq) + PO (aq), the product NH (aq) is the Select the correct answer below: Oconjugate acid of PO (aq) Oconjugate acid of NHa(aq) Oconjugate base of H,PO4(aq) Oconjugate base of PO (aq)
The standard entropy of a substance refers to its entropy at: Select the correct answer below: O absolute zero and 1 bar O 0°C and 1 bar O 25 °C and 1 bar O 25 °C and 0 bar
19.2 LIT Predict the sign of entropy Question Which process will involve a negative change in entropy? Select the correct answer below: O liquid water heated from 25 °C to 75 °C O ice melting at room temperature O the deposition of water vapor as frost O water boils on a stove Content attribution
Determine the standard entropy change of the universe when 0.2 mol of NH,NO3 is produced, NH4+ (aq) + NO3-(aq) --NH.NO3(s), given the following information. (answer in J/K) Substance NH.NO3(s) AH!"(kJ/mol) SºU/molK) -365.6 151.1 -132.5 113.4 -205.0 146.4 NH" (G) NO3(aq) Answer: Check
which process is associated with a negative entropy change? why? A) NaCl(s) -> Na+(aq) + Cl-(aq) B) N2(g) + 3H2(g) -> 2NH3(g) C) 2BrCl(l) -> Br2(l) + Cl2(g) D) H2O (l) -> H2O (g)