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■■ll Verizon 5:46 AM Adobe Scan Oct 23, 2024 (1) QQ 25% Empty, Dry Cup Mass 8.329 Initial Temp. NaOH (aq) 22.8 °C Volume of NaOH (aq) 60ml Initial Temp. HCI (aq) 23.3°C Volume of HCI (aq) 50ml Average Initial Temp 23.1°C Cup and Solution Mass 120.18 Max or Min Temp. after mixing 32.1 C 1. Write the balanced, molecular equation for this neutralization reaction: 2. Calculate the mass of the surroundings for this reaction. (Hints: What are the "surroundings"? What mass data will you use?) Show your work. 3. Calculate the energy change (including sign) of the surroundings in joules. Energy change (including sign) of the surroundings: Energy change (including sign of the surroundings: 4. What is the energy change (including sign) of the system kj? 5. Molar concentration is: # mol solute/L solution. Use the measured volumes along with the given concentrations of the HCI (1.50 M) and NaOH (1.20 M) reagents to calculate the number of moles of HCI and NaOH used. Moles HCI: Moles NaOH: 6. Using the number of moles of the limiting reagent, calculate the enthalpy (heat) of the reaction (the system) in units of Kj/mol. Reaction Enthalpy:_ kj/mol Share Modify Edit text le Fill & Sign Text actions More

■■ll Verizon 5:46 AM Adobe Scan Oct 23, 2024 (1) QQ 25% Empty, Dry Cup Mass 8.329 Initial Temp. NaOH (aq) 22.8 °C Volume of NaOH (aq) 60ml Initial Temp. HCI (aq) 23.3°C Volume of HCI (aq) 50ml Average Initial Temp 23.1°C Cup and Solution Mass 120.18 Max or Min Temp. after mixing 32.1 C 1. Write the balanced, molecular equation for this neutralization reaction: 2. Calculate the mass of the surroundings for this reaction. (Hints: What are the "surroundings"? What mass data will you use?) Show your work. 3. Calculate the energy change (including sign) of the surroundings in joules. Energy change (including sign) of the surroundings: Energy change (including sign of the surroundings: 4. What is the energy change (including sign) of the system kj? 5. Molar concentration is: # mol solute/L solution. Use the measured volumes along with the given concentrations of the HCI (1.50 M) and NaOH (1.20 M) reagents to calculate the number of moles of HCI and NaOH used. Moles HCI: Moles NaOH: 6. Using the number of moles of the limiting reagent, calculate the enthalpy (heat) of the reaction (the system) in units of Kj/mol. Reaction Enthalpy:_ kj/mol Share Modify Edit text le Fill & Sign Text actions More

Principles of Instrumental Analysis
Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter34: Particle Size Determination
Section: Chapter Questions
Problem 34.12QAP
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■■ll Verizon 5:46 AM Adobe Scan Oct 23, 2024 (1) QQ 25% Empty, Dry Cup Mass 8.329 Initial Temp. NaOH (aq) 22.8 °C Volume of NaOH (aq) 60ml Initial Temp. HCI (aq) 23.3°C Volume of HCI (aq) 50ml Average Initial Temp 23.1°C Cup and Solution Mass 120.18 Max or Min Temp. after mixing 32.1 C 1. Write the balanced, molecular equation for this neutralization reaction: 2. Calculate the mass of the surroundings for this reaction. (Hints: What are the "surroundings"? What mass data will you use?) Show your work. 3. Calculate the energy change (including sign) of the surroundings in joules. Energy change (including sign) of the surroundings: Energy change (including sign of the surroundings: 4. What is the energy change (including sign) of the system kj? 5. Molar concentration is: # mol solute/L solution. Use the measured volumes along with the given concentrations of the HCI (1.50 M) and NaOH (1.20 M) reagents to calculate the number of moles of HCI and NaOH used. Moles HCI: Moles NaOH: 6. Using the number of moles of the limiting reagent, calculate the enthalpy (heat) of the reaction (the system) in units of Kj/mol. Reaction Enthalpy:_ kj/mol Share Modify Edit text le Fill & Sign Text actions More
Transcribed Image Text:■■ll Verizon 5:46 AM Adobe Scan Oct 23, 2024 (1) QQ 25% Empty, Dry Cup Mass 8.329 Initial Temp. NaOH (aq) 22.8 °C Volume of NaOH (aq) 60ml Initial Temp. HCI (aq) 23.3°C Volume of HCI (aq) 50ml Average Initial Temp 23.1°C Cup and Solution Mass 120.18 Max or Min Temp. after mixing 32.1 C 1. Write the balanced, molecular equation for this neutralization reaction: 2. Calculate the mass of the surroundings for this reaction. (Hints: What are the "surroundings"? What mass data will you use?) Show your work. 3. Calculate the energy change (including sign) of the surroundings in joules. Energy change (including sign) of the surroundings: Energy change (including sign of the surroundings: 4. What is the energy change (including sign) of the system kj? 5. Molar concentration is: # mol solute/L solution. Use the measured volumes along with the given concentrations of the HCI (1.50 M) and NaOH (1.20 M) reagents to calculate the number of moles of HCI and NaOH used. Moles HCI: Moles NaOH: 6. Using the number of moles of the limiting reagent, calculate the enthalpy (heat) of the reaction (the system) in units of Kj/mol. Reaction Enthalpy:_ kj/mol Share Modify Edit text le Fill & Sign Text actions More
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