Homework Answers
Reaction 1.
Net ionic equation: NaOH(s) ----> Na+(aq) + OH-(aq)
Reaction 2.+
Net ionic equation: H+(aq) + OH-(aq) ----> H2O(l)
Reaction 1 + Reaction 2.
NaOH(s) + H+(aq) ----> Na+(aq) + H2O(l)
Reaction 3.
Net ionic equation: NaOH(s) + H+(aq) ----> Na+(aq) + H2O(l)
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1 Write net ionic equations for a Reaction 1 All- b. Reaction...
Table 7.4. Neutralization of NH Cl(aq) with NaOH(aq). Concentration of NH Cl(aq) 201 Concentration of NaOH 201 Volum...
Table 7.4. Neutralization of NH Cl(aq) with NaOH(aq). Concentration of NH Cl(aq) 201 Concentration of NaOH 201 Volume of NH,Cl(aq) SOAL Volume of NaOH 56.pl Moles of NH Cl(aq). Moles of NaOH Total mass of the solution 106 Trial 1 Time (sec) Temperature Trial 2 Time (sec) Temperature Initial temperature before mixing Initial temperature before mixing After mixing After mixing 1200 200 30 60 90 19°C 20°C 20°c 2000 19.5° 200 20°C 20°C 200 150 150 180 20°c 180 210...
Can someone help me with question 6 please? I want to know to to get the...
Can someone help me with question 6 please? I want to know to to
get the initial and the final temperature from the graph.
1 312 Part B: Quantitative Analysis of the Dissolution of Magnesium Sulfate 5 Graph your time/temperature data by hand (as instructed) for all four experimental runs in Part B using the graph paper provided. You will be producing FOUR graphs. Label your axes, include units, title your graphs "Temperature vs Time" and scale your graphs appropriately...
Name For problem 11, graph the indicated function. 11.T= 2-sin() Note: round answers to 1 decimal...
Name For problem 11, graph the indicated function. 11.T= 2-sin() Note: round answers to 1 decimal place. 8 sin() 2-sin() 0 30° 45° 60° SO 120" 135 150" 180 210" 225" 240 270" 300" 315 330 360° Hide Proctolo is sharing your screen Stop sharing O Name: Note: Have each cirde represent 0.5. Thus the outer circle has a radius of 4. 105 90° TS 20 80 1359 45 150° 30 1654 15 180° 0"/ 360 195 345 210 330...
Is the enthalpy change just the opposite of the heat absorbed? Do you use that opposite...
Is the enthalpy change just the opposite of the heat
absorbed? Do you use that opposite number to calculate the molar
enthalpy?
CHMISILLE THERMOCHEMISTRY 19 Name Data / vial + NaOH mass / Partner Reaction 1 Reaction 2 Reaction 3 NaOH(s) + H2O( NaOH(aq) + HCl(aq) NaOH(s) + HCl(aq) 8.6068 8 NA 18.6067 B 6.6314 B NA 16.5960 100.1 mL H0 51.Z ml 1.0 M HCI 999mL. 0.5 M HCI / empty vial mass measured volume / liquid mass (V...
V. Heat of reaction for NaOH (s) + HCI (aq) → Naci (aq) + H20 ()-dH(net) Direct determination Mas...
need help with calculations
V. Heat of reaction for NaOH (s) + HCI (aq) → Naci (aq) + H20 ()-dH(net) Direct determination Mass NaOH Moles NaOH = moles Mass of HCI solution Final temp. of solution Initial temp. of solution AT solution 30 23 C 4 C AH(net)(Direct) per mole NaOH Calculation Indirect determination Heat of dissolution of NaOH (s) [AH(diss)] Mass NaOH Moles NaOH moles Mass of water Final temp. of solution Initial temp. of solution AT solution AH(diss)-...
DATA ANALYSIS I. You conducted the following three reactions in this experiment Reaction I(AHN): An aqueous...
DATA ANALYSIS I. You conducted the following three reactions in this experiment Reaction I(AHN): An aqueous solution of sodium hydroxide reacts with an aqueous solution of hydrochloric acid, yielding water and an aqueous salt Reaction 2 (AHs): Solid sodium hydroxide reacts with water, yielding aqueous sodium hydroxide . Reaction 3 (AHR): An aqueous solution of hydrochloric acid reacts with solid sodiu Reaction 1 (AHN)HCl(aq)+ NaOH(aq) NaCl(aq) + H20() 2 (AHs) hydroxide, yielding water and an aqueous salt AH (kJ/mol) Balanced...
I'm having a hard time solving B. help would be appreciated! thanks 10A-7 10A CHEMICAL EQUATIONS: ENERGY RELATIONSHI...
I'm having a hard time solving B.
help would be appreciated!
thanks
10A-7 10A CHEMICAL EQUATIONS: ENERGY RELATIONSHIPS NAME 1315 Section Pre-Lab Assignment NOTE: The data used here are for illustrative purposes. The data you obtain will be different. A DETERMINATION OF CALORIMETER CONSTANT HCl(aq) + NaOH(aq) NaCl(aq) + H2O (1) AH = -56.1 kJ/mol Record the molarity and volume of stock HCl solution used in this reaction and the initial, Ti, and final temperatures, T2. Report the temperature change...
help me solve 1-3 Input Data Reactant Mg MgO Mass (9) 2300 104 Volume (mL) 100.0...
help me solve 1-3
Input Data Reactant Mg MgO Mass (9) 2300 104 Volume (mL) 100.0 1000 AT (C) 10.4 9.6 Calculated Enthalpies of Reaction Mg(s) + 2 HCl(aq) --> MgCl, (aq) + H29) AH = -459.83 kJ/mol MgO(s) + 2 HCl(aq) -> MgCl2(aq) + H20(0) AH = -155.66 kJ/mol Mg(s) + 4029) -> Mg(s) AH = -589.99 kJ/mol Problem: Solve for the following enthalpy changes 1) When 6.07 g NaOH(s) is reacted with 200.0 mL 0.759 M HCl(aq), the...
I need helping with this pre-lab. Any help will be appreciated. 10A CHEMICAL EQUATIONS: ENERGY RELATIONSHIPS...
I need helping with this pre-lab. Any help will be
appreciated.
10A CHEMICAL EQUATIONS: ENERGY RELATIONSHIPS NAME 1315 Section Pre-Lab Assignment NOTE: The data used here are for illustrative purposes. The data you obtain will be different. A DETERMINATION OF CALORIMETER CONSTANT HCI (aq) + NaOH(aq) → NaCl (aq) + H2O (1) AH = -56.1 kJ/mol Record the molarity and volume of stock HCl solution used in this reaction and the initial, Ts, and final temperatures, T2. Report the temperature...
Results for Heat of Reaction noor salamey with zainab S 3/13/2019 12.07:17 PM Input Data Reactant...
find the coordinates of the vertex of the quadratic
function
Results for Heat of Reaction noor salamey with zainab S 3/13/2019 12.07:17 PM Input Data Reactant Mg Mgo Mass (g) 5000 1.00 Volume (mL) ΔΤ (C) 21.0 7.9 100.0 100.0 Calculated Enthalpies of Reaction Mg(s) 2 HCl(aq) MgCI2(aq)+H29 ΔΗ -10208 kcalmol Mgo(s)+2 HCI(aq)->MgCI2(aq)+ H200)H 솨ㅓ-31 84 kcalmol Problem: Solve for the following enthalpy changes 1) When 6 44 g NaOH(s) is reacted with 200.0 mL of HCKaq), the temperature increases...
Table 7.4. Neutralization of NH Cl(aq) with NaOH(aq). Concentration of NH Cl(aq) 201 Concentration of NaOH 201 Volume of NH,Cl(aq) SOAL Volume of NaOH 56.pl Moles of NH Cl(aq). Moles of NaOH Total mass of the solution 106 Trial 1 Time (sec) Temperature Trial 2 Time (sec) Temperature Initial temperature before mixing Initial temperature before mixing After mixing After mixing 1200 200 30 60 90 19°C 20°C 20°c 2000 19.5° 200 20°C 20°C 200 150 150 180 20°c 180 210...
Can someone help me with question 6 please? I want to know to to
get the initial and the final temperature from the graph.
1 312 Part B: Quantitative Analysis of the Dissolution of Magnesium Sulfate 5 Graph your time/temperature data by hand (as instructed) for all four experimental runs in Part B using the graph paper provided. You will be producing FOUR graphs. Label your axes, include units, title your graphs "Temperature vs Time" and scale your graphs appropriately...
Name For problem 11, graph the indicated function. 11.T= 2-sin() Note: round answers to 1 decimal place. 8 sin() 2-sin() 0 30° 45° 60° SO 120" 135 150" 180 210" 225" 240 270" 300" 315 330 360° Hide Proctolo is sharing your screen Stop sharing O Name: Note: Have each cirde represent 0.5. Thus the outer circle has a radius of 4. 105 90° TS 20 80 1359 45 150° 30 1654 15 180° 0"/ 360 195 345 210 330...
Is the enthalpy change just the opposite of the heat
absorbed? Do you use that opposite number to calculate the molar
enthalpy?
CHMISILLE THERMOCHEMISTRY 19 Name Data / vial + NaOH mass / Partner Reaction 1 Reaction 2 Reaction 3 NaOH(s) + H2O( NaOH(aq) + HCl(aq) NaOH(s) + HCl(aq) 8.6068 8 NA 18.6067 B 6.6314 B NA 16.5960 100.1 mL H0 51.Z ml 1.0 M HCI 999mL. 0.5 M HCI / empty vial mass measured volume / liquid mass (V...
need help with calculations
V. Heat of reaction for NaOH (s) + HCI (aq) → Naci (aq) + H20 ()-dH(net) Direct determination Mass NaOH Moles NaOH = moles Mass of HCI solution Final temp. of solution Initial temp. of solution AT solution 30 23 C 4 C AH(net)(Direct) per mole NaOH Calculation Indirect determination Heat of dissolution of NaOH (s) [AH(diss)] Mass NaOH Moles NaOH moles Mass of water Final temp. of solution Initial temp. of solution AT solution AH(diss)-...
DATA ANALYSIS I. You conducted the following three reactions in this experiment Reaction I(AHN): An aqueous solution of sodium hydroxide reacts with an aqueous solution of hydrochloric acid, yielding water and an aqueous salt Reaction 2 (AHs): Solid sodium hydroxide reacts with water, yielding aqueous sodium hydroxide . Reaction 3 (AHR): An aqueous solution of hydrochloric acid reacts with solid sodiu Reaction 1 (AHN)HCl(aq)+ NaOH(aq) NaCl(aq) + H20() 2 (AHs) hydroxide, yielding water and an aqueous salt AH (kJ/mol) Balanced...
I'm having a hard time solving B.
help would be appreciated!
thanks
10A-7 10A CHEMICAL EQUATIONS: ENERGY RELATIONSHIPS NAME 1315 Section Pre-Lab Assignment NOTE: The data used here are for illustrative purposes. The data you obtain will be different. A DETERMINATION OF CALORIMETER CONSTANT HCl(aq) + NaOH(aq) NaCl(aq) + H2O (1) AH = -56.1 kJ/mol Record the molarity and volume of stock HCl solution used in this reaction and the initial, Ti, and final temperatures, T2. Report the temperature change...
help me solve 1-3
Input Data Reactant Mg MgO Mass (9) 2300 104 Volume (mL) 100.0 1000 AT (C) 10.4 9.6 Calculated Enthalpies of Reaction Mg(s) + 2 HCl(aq) --> MgCl, (aq) + H29) AH = -459.83 kJ/mol MgO(s) + 2 HCl(aq) -> MgCl2(aq) + H20(0) AH = -155.66 kJ/mol Mg(s) + 4029) -> Mg(s) AH = -589.99 kJ/mol Problem: Solve for the following enthalpy changes 1) When 6.07 g NaOH(s) is reacted with 200.0 mL 0.759 M HCl(aq), the...
I need helping with this pre-lab. Any help will be
appreciated.
10A CHEMICAL EQUATIONS: ENERGY RELATIONSHIPS NAME 1315 Section Pre-Lab Assignment NOTE: The data used here are for illustrative purposes. The data you obtain will be different. A DETERMINATION OF CALORIMETER CONSTANT HCI (aq) + NaOH(aq) → NaCl (aq) + H2O (1) AH = -56.1 kJ/mol Record the molarity and volume of stock HCl solution used in this reaction and the initial, Ts, and final temperatures, T2. Report the temperature...
find the coordinates of the vertex of the quadratic
function
Results for Heat of Reaction noor salamey with zainab S 3/13/2019 12.07:17 PM Input Data Reactant Mg Mgo Mass (g) 5000 1.00 Volume (mL) ΔΤ (C) 21.0 7.9 100.0 100.0 Calculated Enthalpies of Reaction Mg(s) 2 HCl(aq) MgCI2(aq)+H29 ΔΗ -10208 kcalmol Mgo(s)+2 HCI(aq)->MgCI2(aq)+ H200)H 솨ㅓ-31 84 kcalmol Problem: Solve for the following enthalpy changes 1) When 6 44 g NaOH(s) is reacted with 200.0 mL of HCKaq), the temperature increases...
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