A) Arrange the following in order of increasing entropy (low
entropy-1 to high entropy-3)
- 1.
2. 3.
NaCl(l)
- 1.
2. 3.
NaCl(aq)
- 1.
2. 3.
NaCl(s)
B) What is the ΔSsurr in J/molK for a reaction that has a ΔHsys of 66.5 kJ at 49 oC?
ΔSsurr = −ΔSsys ΔSsys = ΔHsys /T (pay close attention to signs and units!)
A) Arrange the following in order of increasing entropy (low entropy-1 to high entropy-3) ...
arrange the following substances ( 1 mole each) in order of increasing entropy at 25 degrees C Homework Assignment #7 (Due date: November 27th, 2017) 1) Arrange the following substances (1 mole each) in order of increasing entropy at 25°C: (a) SO(g).(b) NaCl(s), (c) ZnCl2(s), (d) H2(g). Give the reasons for your arrangement.
intended to be a wered by estima . 1. Arrange the following in order of increasing absolute entropy at 298 K: Hect). Hg(s). C6H6(1). CH3CH3(1) a. Hel). Hg(s). CGHSCH3(1). C6H6(1) b. He(s). Hel). CHECH3(1). C6H6(1) c. C6H6(1). CH3CH3(I). Hg(s). Hg(1) d. CH CH3(1). CH6(). Hg(t). Hg(s) e. He(s). Hg(1), C6H6(). CHSCH 3(1) 2. Which of the following processes would be expected to have a positive AS value? a. 2 H2(g) + O2(g) → 2H2() b. H2(g) → H20(1) c. CO(g)...
Rank the following substances in order of increasing entropy at room temperature: H2O (g), NaCl(s), H2O (l), lactose (aq)
3. Entropy a. Rank the following systems in order of increasing entropy. i. 1 mol of Ne (g) at 273 K and 20 L ii. 0.5 mol of Ne (g) at 100 K and 20 L ii. 0.5 mol of Ne () at 100 K iv. I mol of CClh (g) at 273 K and 40 L Lowest Entropy: Highest Entropy: The reaction below is the basis of a suggested method for removal of SOs, a pollutant that irritates airways...
QUESTION 5 Arrange the following objective lenses in the increasing order of their magnification power. High dry Scanning Oil immersion Low power
Thermodynamics Practice Problems 1. Predict the sign of AS.(positive or negative) for the following reactions a 2 Mg(s) +,(@) 2 Mgo (s) AS b. CH206(s) → 2C,H,OH(I) + 2003(g) AS c. 2 NH3(g) + CO2(g) → H2O(l) + NH CONH3(aq) AS d. Cu(s) (at 100°C) → Cu(s) (at 25°C) AS 2. Which two variables can indicate if a reaction is spontaneous or not? 3. The second law of thermodynamics tells us that: a Energy is conserved. b. The entropy of...
Number 26 only Arrange the following compounds in order of increasing boiling point (low right arrow high) which molecule above will have intermolecular interaction called hydrogen bonding? A quantity of 32.5 mL of a NaOH solution is needed to neutralize 0.121 g of KHP. What is the concentration of the NaOH solution? (molar mass of KHP = 204.2 g/mol)
Arrange the following aqueous solutions in order of increasing boiling point temperature (lowest to highest temperature, with 1 being the lowest and 4 being the highest): 0.20 m glucose, 0.30 m BaCl2, 0.40 m NaCl, 0.50 m Na2SO4. 0.20 m glucose [ Choose ] 2 3 1 4 0.30 m BaCl2 [ Choose ] 2 3 ...
Arrange the following gases in order of decreasing standard molar entropy: N204(9), NO(g), NO2(g). Select one: O a. N204> NO > NOZ O b. N204 > NO2 > NO O C. NO2 > NO > N20. O d. NO > NO2 > N204 e. NO > N204 > NO2 Which of the following reactions will shift to the left if the volume is decreased? Select one: H2 (8) + Cl2 (8) DIL 2 HCI (8) OD b. 2 SO3 (8)...
1. What is the change in entropy of 92.9 g of neon gas when it undergoes isothermal contraction from 20.1 L to 13.3 L? Assume ideal gas behavior. Enter a number to 2 decimal places. 2. Calculate the change in entropy in J/K for the melting of 12.0 g of ice at 0.0°C (ΔHfus = 6.02 kJ/mol). Enter a number to 2 decimals. 3. Calculate the entropy change when a 687 g sample of mercury is heated from 26°C to...