The data The data in the table concerns the lactonization of hydroxyvaleric acid at 25°C. They give the concentration C(t) of this acid in moles per liter after t minutes.
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The data The data in the table concerns the lactonization of hydroxyvaleric acid at 25°C. They...
The experimental data for a Zero order chemical reaction at 25°C is plotted graphically with the...
The experimental data for a Zero order chemical reaction at 25°C is plotted graphically with the resulting linear equation: [C] = 100 - 2t. Where t is in minutes and concentration[C] is in mg/L 1. Determine how long is needed to achieve 95% degradation 2. Determine the half life of the reaction in minutes. 3. If O is 1.2 what is the kinetic constant at 35°C 4. Determine the half life at 35°C.
Calculate the equilibrium constant of the following reaction at 25 degrees Celsius data in the Table...
Calculate the equilibrium constant of the following reaction
at 25 degrees Celsius data in the Table below.
Sn (s) + CuSO4 (aq)-->Cu (s) + SnSO4 (aq)
Record your data in the Data Table The data is written in red letters on the...
Record your data in the Data Table The data is written in red letters on the screen starting at 1:06 minutes. Sample Data Sodium Chloride (NaCl) (NaBr) a. Starting Mass (8) 23.10 g 75.9g Sodium Nitrate (NaNO3) 80.0 32.18 g 74.9 79.5 b. Ending Mass after Saturation (8) c. Mass Used (8) (b-a) d. Formula Mass 32.18g - 23.10g = 9.08g 75.9-74.9=1.0g 80-79.5=1.3G Na=22.99 ,n=14,0:16 Na: 22.99 g/mole Br: 70.90g/mole NaBr: 22.99+70.90 =102.89 g/mole 9.08g/0.010L = 908 g/L Na:22.9 CI:35.45...
PROCESSING THE DATA 1. COMPLETE DATA TABLE 2. Determine the volume of NaQH added at the...
PROCESSING THE DATA 1. COMPLETE DATA TABLE 2. Determine the volume of NaQH added at the equivalence point. 3. Calculate the number of moles of NaOH used. 4. See the equation for the neutralization reaction given in the introduction. Determine the number of moles of HCl used. 5. Recall that you pipeted out 10.0 mL of the unknown HCl solution for the titration. Calculate the HCl concentration. Trail 1 Trial 2 Concentration of NaQH 0.1 M 0 ml NaQH volume...
The colorless solid phosphorus pentachloride reacts violently with water to give a mixture of phosphoric acid...
The colorless solid phosphorus pentachloride reacts violently with water to give a mixture of phosphoric acid and hydrochloric acid . (a) Write a balanced chemical equation for this reaction. + + (b) Determine the concentration (in moles per liter) of each of the acids that result from the complete reaction of 2.87×10-2 moles of phosphorus pentachloride with enough water to give a solution volume of 872 mL. phosphoric acid : M hydrochloric acid : M
Please answer the whole question (part a and b) A. Suppose a brine containing 0.6 kg...
Please answer the whole question (part a and b)
A. Suppose a brine containing 0.6 kg of salt per liter runs into a tank initially filled with 500 L of water containing 3 kg of salt. The brine enters the tank at a rate of 5 L/min. The mixture, kept uniform by stirring, is flowing out at the rate of 5 L/min (see Figure, where a = 5, c 0.6, tc-500, and Ao = 3) 7. a Umin ckg/L A(C)...
What is the pH of a 25°C solution containing 10-3 moles NaHCO3 and 2×10-3 moles of...
What is the pH of a 25°C solution containing 10-3 moles NaHCO3 and 2×10-3 moles of NH3 per liter of seawater? Assume that the dissolved solids concentration for seawater is 35,000 mg/L. Assume closed system.
The following data were obtained for the reaction of methane with oxygen: CH4(g) + 202(g) CO2(g)...
The following data were obtained for the reaction of methane with oxygen: CH4(g) + 202(g) CO2(g) + 2H20(1) → time(min)[CH4l (mol/L) 0 10 20 30 0.050 0.030 0.020 0.015 0.020 a) How many moles of CO2 are produced for each mole of CH4 that is used up? b) What concentration of CH4 is used up after 10 minutes? c) What is the concentration of carbon dioxide produced after 20 minutes? d) Write an equation for reaction rate in terms of...
Calculate the moles of acetic acid used in each trial and record in Data Table 3.Volume...
Calculate the moles of acetic acid used in each trial and record in Data Table 3.Volume acetic acid in Liters = (Mass/Density)/1000Moles = Volume ∗ Concentration Calculate the moles of magnesium hydroxide (Mg(OH)2) used in each trial and record in Data Table 3.Moles Mg(OH2) = Moles acetic acid Calculate the neutralization capacity of each trial and record in Data Table 3. Neutralization Capacity = Moles Mg(OH)2 / Mass of Milk of Magnesium Data Table 3 Trial 1 Trial 2 Mass...
Part A Review ConstantsI Periodic Table How many moles of N2O, will remain after 7.0 min? The first-order rate constant...
Part A Review ConstantsI Periodic Table How many moles of N2O, will remain after 7.0 min? The first-order rate constant for the decomposition of N2 O Express the amount in moles to two significant digits. 2N2Os (g)+4NO2(g) +02(g) n1.6x10-3 mol at 70° C is 6.82 x 103 s-, Suppose we start with 2.80x102 mol of N2O5 (g) in a volume of 2.0 L You may want to reference (Page) Section 14.4 while completing this problem. Correct The rate of reaction...
The experimental data for a Zero order chemical reaction at 25°C is plotted graphically with the resulting linear equation: [C] = 100 - 2t. Where t is in minutes and concentration[C] is in mg/L 1. Determine how long is needed to achieve 95% degradation 2. Determine the half life of the reaction in minutes. 3. If O is 1.2 what is the kinetic constant at 35°C 4. Determine the half life at 35°C.
Calculate the equilibrium constant of the following reaction
at 25 degrees Celsius data in the Table below.
Sn (s) + CuSO4 (aq)-->Cu (s) + SnSO4 (aq)
Record your data in the Data Table The data is written in red letters on the screen starting at 1:06 minutes. Sample Data Sodium Chloride (NaCl) (NaBr) a. Starting Mass (8) 23.10 g 75.9g Sodium Nitrate (NaNO3) 80.0 32.18 g 74.9 79.5 b. Ending Mass after Saturation (8) c. Mass Used (8) (b-a) d. Formula Mass 32.18g - 23.10g = 9.08g 75.9-74.9=1.0g 80-79.5=1.3G Na=22.99 ,n=14,0:16 Na: 22.99 g/mole Br: 70.90g/mole NaBr: 22.99+70.90 =102.89 g/mole 9.08g/0.010L = 908 g/L Na:22.9 CI:35.45...
PROCESSING THE DATA 1. COMPLETE DATA TABLE 2. Determine the volume of NaQH added at the equivalence point. 3. Calculate the number of moles of NaOH used. 4. See the equation for the neutralization reaction given in the introduction. Determine the number of moles of HCl used. 5. Recall that you pipeted out 10.0 mL of the unknown HCl solution for the titration. Calculate the HCl concentration. Trail 1 Trial 2 Concentration of NaQH 0.1 M 0 ml NaQH volume...
Please answer the whole question (part a and b)
A. Suppose a brine containing 0.6 kg of salt per liter runs into a tank initially filled with 500 L of water containing 3 kg of salt. The brine enters the tank at a rate of 5 L/min. The mixture, kept uniform by stirring, is flowing out at the rate of 5 L/min (see Figure, where a = 5, c 0.6, tc-500, and Ao = 3) 7. a Umin ckg/L A(C)...
The following data were obtained for the reaction of methane with oxygen: CH4(g) + 202(g) CO2(g) + 2H20(1) → time(min)[CH4l (mol/L) 0 10 20 30 0.050 0.030 0.020 0.015 0.020 a) How many moles of CO2 are produced for each mole of CH4 that is used up? b) What concentration of CH4 is used up after 10 minutes? c) What is the concentration of carbon dioxide produced after 20 minutes? d) Write an equation for reaction rate in terms of...
Part A Review ConstantsI Periodic Table How many moles of N2O, will remain after 7.0 min? The first-order rate constant for the decomposition of N2 O Express the amount in moles to two significant digits. 2N2Os (g)+4NO2(g) +02(g) n1.6x10-3 mol at 70° C is 6.82 x 103 s-, Suppose we start with 2.80x102 mol of N2O5 (g) in a volume of 2.0 L You may want to reference (Page) Section 14.4 while completing this problem. Correct The rate of reaction...
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