In a study of the decomposition of nitrous oxide at 565 °C N₂O(g) N₂(g) + ½ 0₂(9) the concentration of N₂O was followed as a function of time. It was found that a graph of 1/[N₂0] versus time in seconds gave a straight line with a slope of 1.44x10-3 M-1 s1 and a y-intercept of 0.444 M-¹. order in N₂O and the rate constant for Based on this plot, the reaction is | the reaction is M-1 S-1.

Under what conditions are AH and AU for a reaction involving gases and/or liquids or solids identical? Match the items in the left column to the appropriate blanks in the sentences and the equations on the right. Reset Help AVP ΔΗ-Δυ+ | Δ(P) Δ( PV) AH and AU for a reaction involving gases and/or liquids or solids identical is the case if APV|= 0. nRT RT PV ΔΡV Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining

In a study of the decomposition of ammonia on a platinum surface at 856 °C NH31/2 N2 + 3/2 H2 the following data were obtained: NH3], M 2.39x10-3 1.20×103 997 6.00x104 1.50x103 3.00x10-4 1.75x103 seconds Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 2.39x10-3 M is s and when the starting concentration is 1.20×10-3 M is s. (2) The average rate of disappearance of NH3 from t= 0 s to t= 997 s is Ms!. (3) The average rate of disappearance of NH3 from t= 997 s to t= 1.50×103 s is M s-l. (4) Based on these data, the rate constant for this | order reaction is M s-1.

Consider the following gas phase reaction at constant volume: 2CH2N2(g) −→ 2N2(g) + C2H4(g) i) Given that the initial pressure is p0 calculate the total pressure after three quarters of the CH2N2(g) has reacted. ii) Derive an equation which shows how the total pressure varies as a function of the fraction, α, of the CH2N2(g) that has reacted. iii) Sketch a graph which shows how the pressure varies as a function of α

In a study of the gas phase decomposition of sulfuryl chloride at 600 KSO2Cl2(g)SO2(g) + Cl2(g)the concentration of SO2Cl2 was followed as a function of time.It was found that a graph of ln[SO2Cl2] versus time in minutes gave a straight line with a slope of -4.28×10-3 min-1 and a y-intercept of -6.95 . Based on this plot, the reaction is________. (firest, zero, or second) order in SO2Cl2 and the rate constant for the reaction is min-1.

6. Five reaction mixtures containing equal concentrations of an enzyme are made up to the substrate concentrations [S] indicated in the table below and the initial rates of the reaction (V) are measured. The experiment is repeated with an enzyme inhibitor I present at 0.22 mM in each reaction mixture. (a) Determine Km for the substrate and K, for the inhibitor. (b) Can you say anything about the type of the inhibitor? [S], mM V (µmol/min) (no I) V (µmol/min) (+ 0.22 mM I) 0.1 28 17 0.15 36 23 0.2 43 29 0.5 65 50 0.75 74 61

O KINETICS AND EQUILIBRIUM Solving applied problems with first-order kinetics Har 60.1 g per day of a certain industrial waste chemical P arrives at a treatment plant settling pond with a volume of 300. m°. P is destroyed by sunlight, and 3 once in the pond it has a half-life of 6.6 h. Calculate the equilibrium concentration of P in the pond. Round your answer to 2 significant digits. x10 3 Explation Check Privacy Accessit O2021 McGraw-Hill Education. All Rights Reserved. Terms of Use )国具a 20 ty II

1-arr In a study of the decomposition of dinitrogen pentoxide in carbon tetrachloride solution at 30 °C N2O5- →2 NO2 + ½ O2 the concentration of N,O5 was followed as a function of time. It was found that a graph of In[N2O5] versus time in minutes gave a straight line with a slope of -6.31×10* min and a y- intercept of -1.34 . Based on this plot, the reaction O order in N,0g and the rate constant for the reaction is min-1. zero first second

3. The reaction H₂SO3(aq) + 6(aq) + Haq) → Se(s) +213(aq) + 3H₂0 (1) was studied at 0°C. The following data were obtained: Experiment # 1 2 3 4 5 6 7 [H₂SO3(aq)lo (mol/L) constant? 1.0 x 104 2.0 x 10-4 3.0 x 104 1.0 x 10-4 1.0 x 10-4 1.0 x 104 1.0 x 104 [¹] (mol/L) 2.0 x 10² 2.0 x 10-² 2.0 x 10-² 4.0 x 10-² 1.0 x 10-² 2.0 x 10-² 1.0 x 10-² Find the order of the reaction with respect to [H₂SO3]. respect to [I-¹]. reaction with respect to [H+¹]. is the overall order of the reaction? Find the value of the rate constant (k). Only write the number. [H¹+] (mol/L) 2.0 x 10-² 2.0 x 10-² 2.0 x 10-² 2.0 x 10-² 2.0 x 10-² 4.0 x 10-² 4.0 x 10-² Rate (mol/L.s) Find the order of the reaction with Find the order of the What What are the units of the rate 1.66 x 10-7 3.33 x 10-7 4.99 x 10¹7 6.66 x 10-7 0.42 x 10-7 13.2 x 10-7 3.36 x 10-7

1:37 Search 1 4 The activation energy Ea for a particular reaction is 42.2 kJ/mol. How much faster is the reaction at 343 K than at 323 K? (R = 8.314 J/mol K) ● 7 2 +/- LO 5 Question 1 of 18 8 30 9 0 Tap here or pull up for additional resources 3 6 5G+ 68 Submit X с x 100