please answers all these questions : QUESTION 5 NaOH(s)---> Na^+(aq)+CH^-(aq)+44.02kJ Calculate the amount (in moles) of...
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please answers all these questions : QUESTION 5 NaOH(s)---> Na^+(aq)+CH^-(aq)+44.02kJ Calculate the amount (in moles) of...
QUESTION 1 Heat is required to dissolve NaOH(s) in water. A-True B-False -------------------- QUESTiON 2 The...
QUESTION 1 Heat is required to dissolve NaOH(s) in water. A-True B-False -------------------- QUESTiON 2 The below equation represents an exothermic reaction: Reactants + delta H ----> product ATrue B-False -------------------- QUESTION 3 The Styrofoam cup was used as an insulated device that allows heat loss A-True B-False -------------------- QUESTION 4 The following is an endothermic reaction; NaOH+ HCI------> NaCl+H2O+42.12KJ A-True B-False -------------------- QUESTION 5 NaOH(s)---> Na^+(aq)+CH^-(aq)+44.02kJ Calculate the amount (in moles) of NaOH needed to make the reaction above...
Question 12 (5 points) (12) For an acid - base neutralization reaction, which statement is true?...
Question 12 (5 points) (12) For an acid - base neutralization reaction, which statement is true? (b) It absorbs heat, and is exothermic. (a) It releases heat, and is exothermic. (c) It releases heat, and is endothermic (d) It absorbs heat, and it is endothermic. Question 13 (7 points) (13) In an acid-base reaction, 1 M of 100 ml. HCl(aq) is used to react with NaOH (aq). What is the mole number of HCI used? O(a) 1 mole (b) 0.1...
HCl and NaOH react according to the following equation: HCl (aq) + NaOH → Na+(aq) +...
HCl and NaOH react according to the following equation: HCl (aq) + NaOH → Na+(aq) + Cl-(aq) + H2O(l) In a coffee cup calorimeter, 50mL of 2.00 M HCl was combined with 50mL of 2.05 M NaOH. The temperature of the solution rises from 22 degree C to 36 degrees C. What is the enthalpy change for the reaction (delta H rxn)? What is the molar enthalpy for the reaction? Given: The heat capacity of the calorimeter (Cc) is 14.0...
POST LABORATORY QUESTIONS 1. a. For the neutralization reaction that you carried out between HCl(aq) and...
POST LABORATORY QUESTIONS 1. a. For the neutralization reaction that you carried out between HCl(aq) and NaOH (ag). how many moles of NaCl(aq) were produced? b. For the neutralization reaction that you carried out between HCl(aq) and NaOH() how many moles of NaCl(aq) were produced? 2. Calculate AHan for the neutralization of HCl(aq) and NaOH(aq) in kilojoules per mol of NaCl b. Calculate A Hexn for the neutralization of HCl (aq) and NaOH(s) in kilojoules per mol of NaCl 3....
Determining the Theoretical Heat of Neutralization Using Hess' Law AH® for HCl(aq), NaOH(aq), H2O(l), and NaCl(aq)...
Determining the Theoretical Heat of Neutralization Using Hess' Law AH® for HCl(aq), NaOH(aq), H2O(l), and NaCl(aq) are -167.16, -470.11, -285.83, and -407.27 kJ/mol, respectively. Use Hess' law to calculate the heat of neutralization in kJ/mol. AHRx = H; (products) - H; (reactants) NaOH(aq) + HCl(aq) → HOH(1) + NaCl(aq) Heat of Formation -470.11 - 167.16 -407.27 kJ/mole Show all your calculations below. Your result will be considered as the "literature" value.
Can you please calculate the molar enthalpy. Initial temperature(T_a) of 1.00 M solutions HCl(aq) ___ aOH(aq)...
Can you please calculate the molar enthalpy.
Initial temperature(T_a) of 1.00 M solutions HCl(aq) ___ aOH(aq) ___ Extrapolated temperature to time of mixing, T_f ___ Delta T ____ Molar enthalpy of neutralization, Delta H_m: ___ kJ/mole. Calculation: (Before doing these calculations, carefully re-read the instructions for this part of the experiment!) Reaction b. Initial temperature of 1.00 M solutions: HC_2H_3O_2(aq) ___ NaOH(aq) ___ Extrapolated temperature to time of mixing, T_f ___ Delta T ___ Molar enthalpy of neutralization, Delta H_m:...
moles of h3o neutralized with oh and heat of neutralization per mole of h3o neutralized Lab...
moles of h3o neutralized with oh and heat of neutralization
per mole of h3o neutralized
Lab 6 Chemistry 117 University of Massachusetts Boston Part 2: Heat of Neutralization Data a. Exact volume of 1.00 M HCl(aq) (-50 mL) b. Exact volume of 1.00 M NaOH(aq) to be added (30-40 mL) c. Moles of NaOH d. Assuming 1.00 mL = 1.00 g, mass of solution produced on mixing e. Heat capacity of calorimeter, Coal f. Initial temperature, Ti g. Final temperature,...
• Ina neutralization reaction, NaOH reacted with HC at S1.OS'c to produce tog of Nacl solution...
• Ina neutralization reaction, NaOH reacted with HC at S1.OS'c to produce tog of Nacl solution at 54'C. Calculate (a) the heat of solution in Joules. (s= 4.184 1/CSS Two 100 ml solutions of NaOH and HCl both have a concentration of IM. When they are mixed in. Styrofoam cup, the temperature raised from 20°C to 35.7°C. What is the heat released (e)? The temperature of NaOH solution is 13°C, and that of HCl solution is also 13'c. When they...
Answers only please Choose the one alternative that beat completes the statement or answers the question....
Answers only please
Choose the one alternative that beat completes the statement or answers the question. Read the volume of liquid pictured in the buret at the right. Report the buret reading to the correct number of significant figures. 10.200mL 10.65 mL 10.7 mL 10.25 mL 10.3 mL Calculate the change in enthalpy, Delta H for the following reaction NaOH(aq) + HCl(aq) rightarrow NaCl(aq) + H_2O(g) given the data NaOH(s) rightarrow NaOH(aq); Delta H = -46.8 kJ +50.2 kJ -502kJ...
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)-...
Question 12 (5 points) (12) For an acid - base neutralization reaction, which statement is true? (b) It absorbs heat, and is exothermic. (a) It releases heat, and is exothermic. (c) It releases heat, and is endothermic (d) It absorbs heat, and it is endothermic. Question 13 (7 points) (13) In an acid-base reaction, 1 M of 100 ml. HCl(aq) is used to react with NaOH (aq). What is the mole number of HCI used? O(a) 1 mole (b) 0.1...
POST LABORATORY QUESTIONS 1. a. For the neutralization reaction that you carried out between HCl(aq) and NaOH (ag). how many moles of NaCl(aq) were produced? b. For the neutralization reaction that you carried out between HCl(aq) and NaOH() how many moles of NaCl(aq) were produced? 2. Calculate AHan for the neutralization of HCl(aq) and NaOH(aq) in kilojoules per mol of NaCl b. Calculate A Hexn for the neutralization of HCl (aq) and NaOH(s) in kilojoules per mol of NaCl 3....
Determining the Theoretical Heat of Neutralization Using Hess' Law AH® for HCl(aq), NaOH(aq), H2O(l), and NaCl(aq) are -167.16, -470.11, -285.83, and -407.27 kJ/mol, respectively. Use Hess' law to calculate the heat of neutralization in kJ/mol. AHRx = H; (products) - H; (reactants) NaOH(aq) + HCl(aq) → HOH(1) + NaCl(aq) Heat of Formation -470.11 - 167.16 -407.27 kJ/mole Show all your calculations below. Your result will be considered as the "literature" value.
Can you please calculate the molar enthalpy.
Initial temperature(T_a) of 1.00 M solutions HCl(aq) ___ aOH(aq) ___ Extrapolated temperature to time of mixing, T_f ___ Delta T ____ Molar enthalpy of neutralization, Delta H_m: ___ kJ/mole. Calculation: (Before doing these calculations, carefully re-read the instructions for this part of the experiment!) Reaction b. Initial temperature of 1.00 M solutions: HC_2H_3O_2(aq) ___ NaOH(aq) ___ Extrapolated temperature to time of mixing, T_f ___ Delta T ___ Molar enthalpy of neutralization, Delta H_m:...
moles of h3o neutralized with oh and heat of neutralization
per mole of h3o neutralized
Lab 6 Chemistry 117 University of Massachusetts Boston Part 2: Heat of Neutralization Data a. Exact volume of 1.00 M HCl(aq) (-50 mL) b. Exact volume of 1.00 M NaOH(aq) to be added (30-40 mL) c. Moles of NaOH d. Assuming 1.00 mL = 1.00 g, mass of solution produced on mixing e. Heat capacity of calorimeter, Coal f. Initial temperature, Ti g. Final temperature,...
• Ina neutralization reaction, NaOH reacted with HC at S1.OS'c to produce tog of Nacl solution at 54'C. Calculate (a) the heat of solution in Joules. (s= 4.184 1/CSS Two 100 ml solutions of NaOH and HCl both have a concentration of IM. When they are mixed in. Styrofoam cup, the temperature raised from 20°C to 35.7°C. What is the heat released (e)? The temperature of NaOH solution is 13°C, and that of HCl solution is also 13'c. When they...
Answers only please
Choose the one alternative that beat completes the statement or answers the question. Read the volume of liquid pictured in the buret at the right. Report the buret reading to the correct number of significant figures. 10.200mL 10.65 mL 10.7 mL 10.25 mL 10.3 mL Calculate the change in enthalpy, Delta H for the following reaction NaOH(aq) + HCl(aq) rightarrow NaCl(aq) + H_2O(g) given the data NaOH(s) rightarrow NaOH(aq); Delta H = -46.8 kJ +50.2 kJ -502kJ...
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)-...
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