Homework Answers
From the given data , the gas constant R is calculated.
Average R ( calculated) = 0.08211 L-atm/mol-K
Using true vaue of R = 0.08206, the moles of CO2 are recalculated. Using this value of moles of CO2, calculated the molar mass of CO2
Average molar mass of CO2 = 43.97 g / mol
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(10pts) Calculations Table view List view Calculations Trial 1 Trial 2 Trial...
data provided please solve Q5 & Q6 Q4 answer Table 2. Experimental Data Trial 1 Trial...
data provided
please solve Q5 & Q6
Q4 answer
Table 2. Experimental Data Trial 1 Trial 2 Trial 3 30.13 Atmospheric Pressure (inches Hg) Mass Mg used (6) 0.039 0.025 0.011 Volume Hz gas generated (mL) 39.58 25.89 11.47 Water Temperature (°C) 19.0 19.0 19.0 16.48 16.48 16.48 Partial Pressure Water Vapor (mm Hg: from Table 1) Difference in Water Levels (mm) 14.31cm 35.72cm 46.13cm Table 3. Molar Gas Volume and Ideal Gas Constant Calculations Trial 1 Trial 2 Trial...
Data provided solve Q3 and Q4 please Table 2. Experimental Data Trial 1 Trial 2 Trial...
Data provided
solve Q3 and Q4 please
Table 2. Experimental Data Trial 1 Trial 2 Trial 3 30.13 Atmospheric Pressure (inches Hg) Mass Mg used (8) 0.039 0.025 0.011 39.58 25.89 11.47 Volume Hz gas generated (mL) Water Temperature (°C) 19.0 19.0 19.0 16.48 16.48 16.48 Partial Pressure Water Vapor (mm Hg; from Table 1) Difference in Water Levels (mm) 14.31cm 35.72cm 46.13cm Table 3. Molar Gas Volume and Ideal Gas Constant Calculations Trial 1 Trial 3 Trial 2 Trial...
Table view List view Trial 2 Trial 3 0.320 0.339 4.34 4.98 Table 4. Calculations for...
Table view List view Trial 2 Trial 3 0.320 0.339 4.34 4.98 Table 4. Calculations for standardization of sodium hyroxide Trial 1 [1] Tared mass of KHCH4/04 (a) 0.388 [2] Burette reading of NaOH, Initial (ml) 3.21 [3] Burette reading of NaOH, final (mL) 22.02 14] Volume of NaOH, 18.81 dispensed (mL) [5] Molar concentration 0.1 of NaOH (MOL) 20.01 20.79 15.67 15.81 0.1 0.1 0.102 (2pts) Average molar concentration of NaOH (mol/L) (Opts) o here to search Pro FO...
moles of Mg reacted for Trial 1 and Trial 2. show calculations Trial Trial 1 Measured...
moles of Mg reacted for Trial 1 and Trial 2. show
calculations
Trial Trial 1 Measured Data 0.04 43,7 mL F4h mmHg Mass of Mg (g) (2pts) Volume of H2 gas (mL) (4pts) 44.3 ml Barometric Pressure (mm Hg) (2pts) (i.e., Atmospheric Pressure) Temperature (°C) (3pts) Calculations: Moles of Mg reacted (4pts) Show Calculations: (2)
need some help for blank spaces (10pts) Part A. Heat of Neutralization Table view List view...
need some help for blank spaces
(10pts) Part A. Heat of Neutralization Table view List view Table 3. Heat of neutralization data and calculations Sample 1 Sample 2 50.1 50.1 24.1 23.6 [1] Volume of HCI (mL) [2] Temperature of HCI (ML) [3] Volume of NaOH (mL) [4) Temperature of mixture after reaction (C) 50.0 50.2 31.0 30.3 Temperature difference ("C) [5] Number of calories evolved (cal) enter a positive value [6] Moles of H* that were neutralized (mol) [7]...
i need help with the last four questions along with step by step he appropriate gas law to solve questions 1-6. Show work. (2 pts) A certain amount of a gas at a constant temperature has a pressur...
i need help with the last four questions along with
step by step
he appropriate gas law to solve questions 1-6. Show work. (2 pts) A certain amount of a gas at a constant temperature has a pressure of 5.50 atm and a volume of 10.0 mL. If the volume is decreased to 125.0 mL, what is the resulting pressure of the gas? : 924 a4m 125 O P v (2 pts) If 0.722 L of a certain gas at...
Unknown sample no. C Trial I Trial 2 1. Mass of 2. Mass of generator + sample before reaction () ...
help
with remaining calculations please
Unknown sample no. C Trial I Trial 2 1. Mass of 2. Mass of generator + sample before reaction () 3. Inst s approval of apparatus C. Determination of Vol ume, Temperature, and Pressure of the Carbon Dioxide Gas 1. Initial reading of volume of water in CO.-collecting graduated cylinder (mL) 2. Final reading of volume of water in CO-collecting graduated cylinder (mL) 3. Volume of CO,(g) collected (L) 4. Temperature of water C) 5....
Constant R = 0.08206 L atm mol K 1. (1 pt) Convert 187.2 Torr to atmospheres....
Constant R = 0.08206 L atm mol K 1. (1 pt) Convert 187.2 Torr to atmospheres. 2. (2 pts) Calculate the pressure of 1.64 mol of a perfect gas that occupies a volume of 21.4 L at room temperature (25°C). 3. (2 pts) What is the molar mass of a 28.0 g sample of a perfect gas that occupies a volume of 22.4 L at a pressure of 1.00 atm and at a temperature of 0°C? Name (print): Section No....
Standard molar volume at STP Trial 1 Trial 2 I. Data Mass of test tube and...
Standard molar volume at STP
Trial 1 Trial 2 I. Data Mass of test tube and contents before heating afterheating Mass loss 1S0. 49 150.0129 0.4049 250 ML 23.0°C 30. 30 HG 150.6129 1495369 6.4769 223ML 24.0°C 130. 30Hg Volume of Co, collected , V Temperature of CO,,T Atmospheric pressure Water vapor pressure at Co, temperature 21.1 torr 22.4 torr II. Calculations Mass of CO, collected Moles of CO, , n System temperature (K), T Pressure of Co, (atm) Experimental...
GAS BEHAVIOR Trial 1 Trial 2 1. Data Mass of test tube and contents before heating...
GAS BEHAVIOR Trial 1 Trial 2 1. Data Mass of test tube and contents before heating afterheating Mass loss 148.935g 142.1509 148.050 147.2649 322 ml Volume of Co, collected , v Temperature of CO,,T 242 Atmospheric pressure 75.794 75.79 4 cm/HO Water vapor pressure at Co, temperature II. Calculations Mass of CO, collected Moles of CO2, n System temperature (K),T Pressure of CO, (atm) Experimental R = pV/nT Molar Volume Vm = V/n Standard molar volume at STP VII-5
data provided
please solve Q5 & Q6
Q4 answer
Table 2. Experimental Data Trial 1 Trial 2 Trial 3 30.13 Atmospheric Pressure (inches Hg) Mass Mg used (6) 0.039 0.025 0.011 Volume Hz gas generated (mL) 39.58 25.89 11.47 Water Temperature (°C) 19.0 19.0 19.0 16.48 16.48 16.48 Partial Pressure Water Vapor (mm Hg: from Table 1) Difference in Water Levels (mm) 14.31cm 35.72cm 46.13cm Table 3. Molar Gas Volume and Ideal Gas Constant Calculations Trial 1 Trial 2 Trial...
Data provided
solve Q3 and Q4 please
Table 2. Experimental Data Trial 1 Trial 2 Trial 3 30.13 Atmospheric Pressure (inches Hg) Mass Mg used (8) 0.039 0.025 0.011 39.58 25.89 11.47 Volume Hz gas generated (mL) Water Temperature (°C) 19.0 19.0 19.0 16.48 16.48 16.48 Partial Pressure Water Vapor (mm Hg; from Table 1) Difference in Water Levels (mm) 14.31cm 35.72cm 46.13cm Table 3. Molar Gas Volume and Ideal Gas Constant Calculations Trial 1 Trial 3 Trial 2 Trial...
Table view List view Trial 2 Trial 3 0.320 0.339 4.34 4.98 Table 4. Calculations for standardization of sodium hyroxide Trial 1 [1] Tared mass of KHCH4/04 (a) 0.388 [2] Burette reading of NaOH, Initial (ml) 3.21 [3] Burette reading of NaOH, final (mL) 22.02 14] Volume of NaOH, 18.81 dispensed (mL) [5] Molar concentration 0.1 of NaOH (MOL) 20.01 20.79 15.67 15.81 0.1 0.1 0.102 (2pts) Average molar concentration of NaOH (mol/L) (Opts) o here to search Pro FO...
moles of Mg reacted for Trial 1 and Trial 2. show
calculations
Trial Trial 1 Measured Data 0.04 43,7 mL F4h mmHg Mass of Mg (g) (2pts) Volume of H2 gas (mL) (4pts) 44.3 ml Barometric Pressure (mm Hg) (2pts) (i.e., Atmospheric Pressure) Temperature (°C) (3pts) Calculations: Moles of Mg reacted (4pts) Show Calculations: (2)
need some help for blank spaces
(10pts) Part A. Heat of Neutralization Table view List view Table 3. Heat of neutralization data and calculations Sample 1 Sample 2 50.1 50.1 24.1 23.6 [1] Volume of HCI (mL) [2] Temperature of HCI (ML) [3] Volume of NaOH (mL) [4) Temperature of mixture after reaction (C) 50.0 50.2 31.0 30.3 Temperature difference ("C) [5] Number of calories evolved (cal) enter a positive value [6] Moles of H* that were neutralized (mol) [7]...
i need help with the last four questions along with
step by step
he appropriate gas law to solve questions 1-6. Show work. (2 pts) A certain amount of a gas at a constant temperature has a pressure of 5.50 atm and a volume of 10.0 mL. If the volume is decreased to 125.0 mL, what is the resulting pressure of the gas? : 924 a4m 125 O P v (2 pts) If 0.722 L of a certain gas at...
help
with remaining calculations please
Unknown sample no. C Trial I Trial 2 1. Mass of 2. Mass of generator + sample before reaction () 3. Inst s approval of apparatus C. Determination of Vol ume, Temperature, and Pressure of the Carbon Dioxide Gas 1. Initial reading of volume of water in CO.-collecting graduated cylinder (mL) 2. Final reading of volume of water in CO-collecting graduated cylinder (mL) 3. Volume of CO,(g) collected (L) 4. Temperature of water C) 5....
Constant R = 0.08206 L atm mol K 1. (1 pt) Convert 187.2 Torr to atmospheres. 2. (2 pts) Calculate the pressure of 1.64 mol of a perfect gas that occupies a volume of 21.4 L at room temperature (25°C). 3. (2 pts) What is the molar mass of a 28.0 g sample of a perfect gas that occupies a volume of 22.4 L at a pressure of 1.00 atm and at a temperature of 0°C? Name (print): Section No....
Standard molar volume at STP
Trial 1 Trial 2 I. Data Mass of test tube and contents before heating afterheating Mass loss 1S0. 49 150.0129 0.4049 250 ML 23.0°C 30. 30 HG 150.6129 1495369 6.4769 223ML 24.0°C 130. 30Hg Volume of Co, collected , V Temperature of CO,,T Atmospheric pressure Water vapor pressure at Co, temperature 21.1 torr 22.4 torr II. Calculations Mass of CO, collected Moles of CO, , n System temperature (K), T Pressure of Co, (atm) Experimental...
GAS BEHAVIOR Trial 1 Trial 2 1. Data Mass of test tube and contents before heating afterheating Mass loss 148.935g 142.1509 148.050 147.2649 322 ml Volume of Co, collected , v Temperature of CO,,T 242 Atmospheric pressure 75.794 75.79 4 cm/HO Water vapor pressure at Co, temperature II. Calculations Mass of CO, collected Moles of CO2, n System temperature (K),T Pressure of CO, (atm) Experimental R = pV/nT Molar Volume Vm = V/n Standard molar volume at STP VII-5
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