Homework Answers
The answer of all the questions are as follows
Add Answer to:
Calculate C for the following reaction. HOCH. 2000) HCL NAOHHO+NACIAH = 57 kimol 100 mL of...
2. HCI+ NaOH H20 + NaCl AH -57 kJ/mol 100 mL of 1 M HCI and...
2. HCI+ NaOH H20 + NaCl AH -57 kJ/mol 100 mL of 1 M HCI and 50 mL of 1 M NAOH were mixed in a Styrofoam cup calorimeter. a. What is the system? b. What is the surroundings? c. Does the solution get hotter or colder? 3. An endothermic reaction takes place in aqueous solution. a. Does the temperature of the solution increase or decrease. b. What is the sign of AH? c. Is heat a reactant or a...
A 48.53 mL volume of 1.00 M HCl was mixed with 47.70 mL of 2.00 M...
A 48.53 mL volume of 1.00 M HCl was mixed with 47.70 mL of 2.00 M NaOH in a coffee cup calorimeter (with calorimeter constant = 26.0 J/°C) at 21.43 °C. The final temperature of the aqueous solution after the reaction was 29.71 °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 b. The change in temperature (∆T) of...
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...
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....
4. A styrofoam-cup calorimeter containing 150 g of water is calibrated by generating 1770 J of...
4. A styrofoam-cup calorimeter containing 150 g of water is calibrated by generating 1770 J of heat within it. The temperature increases by 1.67°C. What is the calorimeter constant Ccal (heat capacity of the calorimeter)? c(H20) = 4.184 Jg='K 5. A constant-pressure calorimeter, Where Ccal = 192 JK I. contains 100.0 mL of a 0.200 M aqueous solution of AgNO3. The temperature of the calorimeter and its contents is 22.30°C. Upon addition of 100.0 mL of 0.200 M solution of...
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...
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 HCl 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 experimental AHxt (in units of kJ/mol NaOH) for the neutralization reaction between aqueous NaOH and HCI. Assume that no heat is lost to the calorimeter or the surroundings, and that the density of the solution is...
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...
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...
1. A coffee cup calorimeter was used for the neutralization reaction of 100 mL of 1.00...
1. A coffee cup calorimeter was used for the neutralization reaction of 100 mL of 1.00 M hydrochloric acid with 100 mL of 1.20 M sodium hydroxide. The initial temperature was 22.88 °C and the final temperature was 29.39 °C. Calculate the calorimeter constant for the reaction. HCl (aq) + NaOH (aq) NaCl (aq) + H2O (∆H°rxn = -58.3 kJ/mol) 2. The same calorimeter was used for the dissolution of 8.86 g sample of lithium chloride in 100.0 mL of...
2. HCI+ NaOH H20 + NaCl AH -57 kJ/mol 100 mL of 1 M HCI and 50 mL of 1 M NAOH were mixed in a Styrofoam cup calorimeter. a. What is the system? b. What is the surroundings? c. Does the solution get hotter or colder? 3. An endothermic reaction takes place in aqueous solution. a. Does the temperature of the solution increase or decrease. b. What is the sign of AH? c. Is heat a reactant or a...
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....
4. A styrofoam-cup calorimeter containing 150 g of water is calibrated by generating 1770 J of heat within it. The temperature increases by 1.67°C. What is the calorimeter constant Ccal (heat capacity of the calorimeter)? c(H20) = 4.184 Jg='K 5. A constant-pressure calorimeter, Where Ccal = 192 JK I. contains 100.0 mL of a 0.200 M aqueous solution of AgNO3. The temperature of the calorimeter and its contents is 22.30°C. Upon addition of 100.0 mL of 0.200 M solution of...
A 100.0 mL sample of 0.300 M NaOH is mixed with a 100.0 mL sample of 0.300 M HCl 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 experimental AHxt (in units of kJ/mol NaOH) for the neutralization reaction between aqueous NaOH and HCI. Assume that no heat is lost to the calorimeter or the surroundings, and that the density of the solution is...
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...
Most questions answered within 3 hours.
-
The maximum speed of the pendulum bob in a grandfather clock is
0.60 m/s .
1.If...
asked 20 seconds from now -
Consider the market for education. The marginal social cost of
education (MSC) and the private benefit...
asked 2 minutes ago -
Name the 3 common law duties of corporate directors
AND provide a brief explanation of what...
asked 5 minutes ago -
Listed below are pulse rates (beats per minute) of females
selected in study of body data...
asked 8 minutes ago -
A large rough ramp is inclined φ=35 degrees above the
horizontal. A block of mass m...
asked 9 minutes ago -
According to survey data, the distribution of arm spans for
males is approximately Normal with a...
asked 27 minutes ago -
Consider the aggregate demand – aggregate supply (AD-AS) model.
Assume the economy is initially at its...
asked 23 minutes ago -
How many distinguishable ways can the letters of the word
COMMUNICATION be arranged in order?
asked 27 minutes ago -
Calculate how many grams of 30% and how many grams of
10% coal tar paste must...
asked 28 minutes ago -
All else equal and given the current system of exchange rates,
if the United States enters...
asked 37 minutes ago -
The charge on a capacitor in an ideal LC oscillator
with an angular frequency of 200...
asked 44 minutes ago -
A 5.5 MW variable-speed wind generator with 0.92 power factor is
providing power to a grid...
asked 44 minutes ago