2. A 49.21 mL volume of 1.00 M HCl was mixed with 48.05 mL of 2.00...
2. A 49.21 mL volume of 1.00 M HCl was mixed with 48.05 mL of
2.00 M NaOH in a coffee cup calorimeter (with calorimeter constant
= 25.6 J/°C) at 20.32 °C. The final temperature of the aqueous
solution after the reaction was 29.83 °C. Assuming that them heat
capacity of the solution is 4.18 J/g/°C, calculate the
following:
a. The total mass of aqueous solution inside the calorimeter
(dsoln = 1.00 g/mL)
g
correct 1/1
b. The change in temperature (∆T) of the aqueous solution
°C
correct 1/1
c. The heat released by the neutralization reaction (this should be
a positive number)
J
no answer given 0/1
d. The moles of HCl reacted
mol
no answer given 0/1
e. The enthalpy change (∆H) for the neutralization in kJ/mol HCl (
this should be a negative number)
kJ/mol HCl
no answer given 0/1
Homework Answers
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2. A 49.21 mL volume of 1.00 M HCl was mixed with 48.05 mL of
2.00...
1. A volume of water was heated to 81.76 °C and immediately added to 48.80 mL of water at 20.55 °C contained within a co...
1. A volume of water was heated to 81.76 °C and immediately added to 48.80 mL of water at 20.55 °C contained within a coffee cup calorimeter. The final temperature of the mixture was 37.73 °C. The final volume of water inside the calorimeter was 92.03 mL. Assuming that them heat capacity of the solution is 4.18 J/g/°C, calculate the following: a. The volume of hot water added ml b. The mass of hot water (dwater = 1.00 g/mL) g...
2. A 49.45 mL volume of 1.00 M HCl was mixed with 49.14 mL of 2.00...
2. A 49.45 mL volume of 1.00 M HCl was mixed with 49.14 mL of 2.00 M NaOH in a coffee cup calorimeter (with calorimeter constant = 25.1 J/°C) at 21.34 °C. The final temperature of the aqueous solution after the reaction was 29.37 °C. Assuming that them heat capacity of the solution is 4.18 J/g/°C, calculate the following: e. The enthalpy change (∆H) for the neutralization in kJ/mol HCl ( this should be a negative number) e. The enthalpy...
1. A volume of water was heated to 83.90 °C and immediately added to 48.11 mL...
1. A volume of water was heated to 83.90 °C and immediately added to 48.11 mL of water at 23.98 °C contained within a coffee cup calorimeter. The final temperature of the mixture was 40.86 °C. The final volume of water inside the calorimeter was 90.45 mL. Assuming that them heat capacity of the solution is 4.18 J/g/°C, calculate the following: a. The volume of hot water added ml b. The mass of hot water (dwater = 1.00 g/mL) c....
A 100.0 mL sample of 0.300 M NaOH is mixed with a 100.0 mL sample of...
A 100.0 mL sample of 0.300 M NaOH is mixed with a 100.0 mL sample of 0.300 M HNO3 in a coffee cup calorimeter. If both solutions were initially at 35.0°C and the temperature of the resulting solution was recorded as 37.0°C, determine the DH°rxn (in units of kJ/mol NaOH) for the neutralization reaction between aqueous NaOH and HCl. Assume 1) that no heat is lost to the calorimeter or the surroundings, and 2)that the density(1.00 g/mL) and the specific...
2. A quantity of 300 mL of 0.8 M HCl is mixed with 300 mL of...
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A volume of water was heated to 82.86C and immediately added to 50.31 mL of water...
A volume of water was heated to 82.86C and immediately added to 50.31 mL of water at 22:45 °C contained within a coffee cup calorimeter. The final temperature of the mixture was 37,08°C. The final volume of water inside the calorimeter was 94.33 mL. Calculate the following: Note: Heat capacity a. volume of hot water added is 4.18 *Consider sig fig b. masses of hot and cold water (density of water = 1,00 g/mL) c. changes in temperature (AT) of...
help 2. A quantity of 300 mL of 0.8 M HCl is mixed with 300 mL...
help
2. A quantity of 300 mL of 0.8 M HCl is mixed with 300 mL of 0.4 M Ba(OH)2 in a constant- pressure calorimeter having a heat capacity of 415 J/°C. The initial temperature of both solutions is the same at 22.0°C. Given that the specific heat of the solution is 4.184 J/gºC. the density of the solution is 1.00 g/mL, and that the heat of neutralization for the process H+ (aq) + OH(aq) → H20 (1) is -56.2...
When a chemist mixed 3.33 g of LiOH and 255 mL of 0.62 M HCl in...
When a chemist mixed 3.33 g of LiOH and 255 mL of 0.62 M HCl in a constant-pressure calorimeter, the final temperature of the mixture was 23.4°C. Both the HCl and LiOH had the same initial temperature, 20.4°C. The equation for this neutralization reaction is: LiOH(s) + HCl(aq) → LiCl(aq) + H2O(l). Given that the density of each solution is 1.00 g/mL and the specific heat of the final solution is 4.1801 J/g·K, calculate the enthalpy change for this reaction...
a quantity of 300 mL of 0.8 M HCl is mixed with 300mL of 0.4 M...
a quantity of 300 mL of 0.8 M HCl is mixed with 300mL of 0.4 M Ba(OH)2 in a constant pressure calorimeter having a heat capacity of 415 J/degrees C. the initial temperature of both solutions is the same at 22.0 degrees C. Given that the specific heat of the solution is 4.184J/g degrees C the density of the solution is 1.00 g/mL, and that the heat of neutralization for the process H^+(aq)+OH^-(aq)->H2O (1) is -56.2 kJ/mol, what is the...
If 1.85 g MgO is combined with enough 1.00 M HCl to make 100.0 mL of...
If 1.85 g MgO is combined with enough 1.00 M HCl to make 100.0 mL of solution in a coffee- cup calorimeter, the temperature of the resulting solution increases from 21.3°C to 35.7 °C. Calculate the enthalpy change for the reaction per mole of Mgo. Assume that the specific heat capacity of the solution is 4.18 J/g.K, and the density of the solution is 1.00 g/mL. - 131 kJ O -613 kJ O-328 kJ 0 -28.3 kJ
1. A volume of water was heated to 83.90 °C and immediately added to 48.11 mL of water at 23.98 °C contained within a coffee cup calorimeter. The final temperature of the mixture was 40.86 °C. The final volume of water inside the calorimeter was 90.45 mL. Assuming that them heat capacity of the solution is 4.18 J/g/°C, calculate the following: a. The volume of hot water added ml b. The mass of hot water (dwater = 1.00 g/mL) c....
2. A quantity of 300 mL of 0.8 M HCl is mixed with 300 mL of 0.4 M Ba(OH)2 in a constant- pressure calorimeter having a heat capacity of 415 J/°C. The initial temperature of both solutions is the same at 22.0°C. Given that the specific heat of the solution is 4.184 J/gºC, the density of the solution is 1.00 g/mL, and that the heat of neutralization for the process H+ (aq) + OH" (aq) - H20 (1) is -56.2...
A volume of water was heated to 82.86C and immediately added to 50.31 mL of water at 22:45 °C contained within a coffee cup calorimeter. The final temperature of the mixture was 37,08°C. The final volume of water inside the calorimeter was 94.33 mL. Calculate the following: Note: Heat capacity a. volume of hot water added is 4.18 *Consider sig fig b. masses of hot and cold water (density of water = 1,00 g/mL) c. changes in temperature (AT) of...
help
2. A quantity of 300 mL of 0.8 M HCl is mixed with 300 mL of 0.4 M Ba(OH)2 in a constant- pressure calorimeter having a heat capacity of 415 J/°C. The initial temperature of both solutions is the same at 22.0°C. Given that the specific heat of the solution is 4.184 J/gºC. the density of the solution is 1.00 g/mL, and that the heat of neutralization for the process H+ (aq) + OH(aq) → H20 (1) is -56.2...
If 1.85 g MgO is combined with enough 1.00 M HCl to make 100.0 mL of solution in a coffee- cup calorimeter, the temperature of the resulting solution increases from 21.3°C to 35.7 °C. Calculate the enthalpy change for the reaction per mole of Mgo. Assume that the specific heat capacity of the solution is 4.18 J/g.K, and the density of the solution is 1.00 g/mL. - 131 kJ O -613 kJ O-328 kJ 0 -28.3 kJ
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