Which molecule has the most entropy? a) CO2(s) or CO2(g) b) N2(g) or N2O(g) c) Br2(g)...

Which molecule has the most entropy?

a) CO2(s) or CO2(g)

b) N2(g) or N2O(g)

c) Br2(g) or F2(g)

Please explain why, thanks!

Expert Solution

queen_honey_blossom answered 2 years ago

Consider the first order reaction 2 N2O(g) ⟶ 2 N2 (g) + O2(g). What will [N2O]...

Consider the first order reaction 2 N2O(g) ⟶ 2 N2 (g) + O2(g). What will [N2O] be after 3 half lives when 0.25 moles N2O is placed in a 1.00-L reaction vessel?

The equilibrium constant KcKc for C(s)+CO2(g)⇌2CO(g)C(s)+CO2(g)⇌2CO(g) is 1.9 at 1000 KK and 0.133 at 298 KK....

The equilibrium constant KcKc for C(s)+CO2(g)⇌2CO(g)C(s)+CO2(g)⇌2CO(g) is 1.9 at 1000 KK and 0.133 at 298 KK. A. If excess CC is allowed to react with 25.5 gg of CO2CO2 in a 3.00 LL vessel at 1000 KK, how many grams of COCO are produced? Express your answer using two significant figures. B. How many grams of CC are consumed? Express your answer using two significant figures. C. If a smaller vessel is used for the reaction, will the yield of...

2Na(s) + Br2= 2NaBr A reaction of 46.1 g of Na and 53.1 g of Br2...

2Na(s) + Br2= 2NaBr A reaction of 46.1 g of Na and 53.1 g of Br2 yields 56.7 g of NaBr. What is the percent yield?

balance each equation. Mg(s)+HBr(aq) ------ MgBr2(s) + H2(g) B. CO(g) + O2(g) ----------CO2 (g) c. PbS...

balance each equation. Mg(s)+HBr(aq) ------ MgBr2(s) + H2(g) B. CO(g) + O2(g) ----------CO2 (g) c. PbS (s) + O2 (g) ---------PbO (s) + SO2(g) d.H2SO4 +NAOH -------- Na2SO4 +H2O e. H3PO4 +Ca (OH)2--------CA3 (PO4)2+ H2O

Consider the following reaction at 173 K: 2 N2O (g) → 2 N2 (g) + O2...

Consider the following reaction at 173 K: 2 N2O (g) → 2 N2 (g) + O2 (g) In one of your laboratory experiments, you determine the equilibrium constant for this process, at 173 K, is 6.678E+57. You are given a table of data that indicates the standard heat of formation (ΔHoform) of N2O is 82.0 kJ/mol. Based on this information, what is the standard entropy change (ΔSorxn) for this reaction at 173 K? ΔSorxn(J/K)=

The decomposition of N2O to N2 and O2 is a first-order reaction. At 730° C the...

The decomposition of N2O to N2 and O2 is a first-order reaction. At 730° C the half-life of the reaction is 3.58 × 103 min. If the initial pressure of N2O is 5.50 atm at 730° C, calculate the total gas pressure after one half-life. Assume that the volume remains constant. _____atm

The following equilibrium reaction is investigated. 2 N2O(g) + N2H4(g) ⇆ 3 N2(g) + 2 H2O(g)...

The following equilibrium reaction is investigated. 2 N2O(g) + N2H4(g) ⇆ 3 N2(g) + 2 H2O(g) When 0.10 moles of N2O and 0.25 moles of N2H4 are placed in a 10.0-L container and allowed to come to equilibrium, the equilibrium concentration of N2O is 0.0060 M. What is the equilibrium concentration of all four substances?

At elevated temperatures, nitrous oxide decomposes according to the equation 2 N2O(g) → 2 N2(g) +...

At elevated temperatures, nitrous oxide decomposes according to the equation 2 N2O(g) → 2 N2(g) + O2(g) Given the following data, plot the appropriate graphs to determine whether the reaction is zeroth, first, or second order. Write the rate equation for this reaction. What is the value of the rate constant for the consumption of N2O? (Use excel to work this problem out completely, show all three graphs and the equations associated with each.) Time (min) 0 60 90 120...

At 125 C Kp=0.254 for the reaction 2NaHCO3 (s) <-> Na2CO3 (s) + CO2 (g) +...

At 125 C Kp=0.254 for the reaction 2NaHCO3 (s) <-> Na2CO3 (s) + CO2 (g) + H2O (g). At 2.50 L flask containing a substantial amount of NaHCO3 is evacuated and heated to 125 C. what mass of Na2CO3 (molar mass=106.0 g/mol) is also produced when equilibrium is established?

Calculate the value of Kp for the equation. C(s) + CO2(g) 2CO(g) Kp=? Given that at...

Calculate the value of Kp for the equation. C(s) + CO2(g) 2CO(g) Kp=? Given that at a certain temperature: C(s) + 2H2O(g) CO2(g) + 2H2(g) Kp1= 3.53 H2(g) + CO2(g) H2O(g) + CO(g) Kp2 = 0.699 Kp=?????

Question