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Assume that the specific heat of the solution is the same as...
please help me with #9 and 10 before 9:30 9. If the specific heat of methanol...
please help me with #9 and 10 before 9:30
9. If the specific heat of methanol is 2.51 J/K-g, how many joules are necessary to raise the temperature of 50 g of methanol from 20 °C to 60 °C? 10. When a 3.25 g sample of solid sodium hydroxide was dissolved in a calorimeter in 100.0 g of water, the temperature rose from 23.9 °C to 32.0 °C. Calculate AH (in kJ/mol NaOH) for the following solution process: NaOH(s) —...
A coffee cup calorimeter is prepared, containing 100.000 g of water (specific heat capacity = 4.184...
A coffee cup calorimeter is prepared, containing 100.000 g of water (specific heat capacity = 4.184 J/g K) at initial temperature 80.000 C. A salt weighing 5.445 g is quickly added. The salt has a molar mass of 250.465 g/mol. The final temperature of the solution is 33.49 C. Assume no heat loss to the surroundings. Assume the specific heat capacity of the solution is equal to that of pure water, and that the mass of the solution is equal...
Prelab: 1. The molar heat of solution of ammonium nitrate is +25.7 kJ/mol. Assuming the specific heat of the resulting...
Prelab: 1. The molar heat of solution of ammonium nitrate is +25.7 kJ/mol. Assuming the specific heat of the resulting solution is equal to that of pure water, calculate the final temperature of 55.0 grams of water (initially at 22.9 °C) after the addition of 3.0 grams of NH4NO3.
A coffee cup calorimeter is prepared, containing 100.000 g of water (specific heat capacity = 4.184...
A coffee cup calorimeter is prepared, containing 100.000 g of water (specific heat capacity = 4.184 J/g K) at initial temperature 80.000 C. A salt weighing 5.451 g is quickly added. The salt has a molar mass of 124.742 g/mol. The final temperature of the solution is 73.937 C. Assume no heat loss to the surroundings. Assume the specific heat capacity of the solution is equal to that of pure water, and that the mass of the solution is equal...
A coffee cup calorimeter is prepared, containing 100.000 g of water (specific heat capacity = 4.184...
A coffee cup calorimeter is prepared, containing 100.000 g of water (specific heat capacity = 4.184 J/g K) at initial temperature 80.000 C. A salt weighing 7.253 g is quickly added. The salt has a molar mass of 149.325 g/mol. The final temperature of the solution is 7.532 C. Assume no heat loss to the surroundings. Assume the specific heat capacity of the solution is equal to that of pure water, and that the mass of the solution is equal...
A coffee cup calorimeter is prepared, containing 100.000 g of water (specific heat capacity = 4.184...
A coffee cup calorimeter is prepared, containing 100.000 g of water (specific heat capacity = 4.184 J/g K) at initial temperature 80.000 C. A salt weighing 5.398 g is quickly added. The salt has a molar mass of 497.886 g/mol. The final temperature of the solution is 8.675 C. Assume no heat loss to the surroundings. Assume the specific heat capacity of the solution is equal to that of pure water, and that the mass of the solution is equal...
An aqueous solution of HCl is added to an aqueous solution of NaOH in a coffee...
An aqueous solution of HCl is added to an aqueous solution of NaOH in a coffee cup calorimeter. The reaction is that of neutralization between the acid and the base: HCI + NaOH → H20+ NaCl To calculate the approximate enthalpy change for this reaction using q = m. C-AT, what value should the student give to C in the equation? The student must use the heat of formation of water. The student must use the heat of formation of...
An aqueous solution of HCl is added to an aqueous solution of NaOH in a coffee...
An aqueous solution of HCl is added to an aqueous solution of NaOH in a coffee cup calorimeter. The reaction is that of neutralization between the acid and the base: HCI + NaOH + H2O + NaCl To calculate the approximate enthalpy change for this reaction using q = m.C•AT, what value should the student give to C in the equation ? The student must use the heat of formation of water. The student must use the heat of formation...
An aqueous solution of HCl is added to an aqueous solution of NaOH in a coffee...
An aqueous solution of HCl is added to an aqueous solution of NaOH in a coffee cup calorimeter. The reaction is that of neutralization between the acid and the base: HCI + NaOH + H2O + Naci To calculate the approximate enthalpy change for this reaction using q = m-C-AT, what value should the student give to C in the equation? The student must use the heat of formation of water. The student must use the heat of formation of...
An aqueous solution of HCl is added to an aqueous solution of NaOH in a coffee...
An aqueous solution of HCl is added to an aqueous solution of NaOH in a coffee cup calorimeter. The reaction is that of neutralization between the acid and the base: HCI + NaOH + H2O + NaCl To calculate the approximate enthalpy change for this reaction using q = m.C.AT, what value should the student give to C in the equation ? The student must use the heat of formation of water. The student must use the heat of formation...
please help me with #9 and 10 before 9:30
9. If the specific heat of methanol is 2.51 J/K-g, how many joules are necessary to raise the temperature of 50 g of methanol from 20 °C to 60 °C? 10. When a 3.25 g sample of solid sodium hydroxide was dissolved in a calorimeter in 100.0 g of water, the temperature rose from 23.9 °C to 32.0 °C. Calculate AH (in kJ/mol NaOH) for the following solution process: NaOH(s) —...
Prelab: 1. The molar heat of solution of ammonium nitrate is +25.7 kJ/mol. Assuming the specific heat of the resulting solution is equal to that of pure water, calculate the final temperature of 55.0 grams of water (initially at 22.9 °C) after the addition of 3.0 grams of NH4NO3.
A coffee cup calorimeter is prepared, containing 100.000 g of water (specific heat capacity = 4.184 J/g K) at initial temperature 80.000 C. A salt weighing 7.253 g is quickly added. The salt has a molar mass of 149.325 g/mol. The final temperature of the solution is 7.532 C. Assume no heat loss to the surroundings. Assume the specific heat capacity of the solution is equal to that of pure water, and that the mass of the solution is equal...
An aqueous solution of HCl is added to an aqueous solution of NaOH in a coffee cup calorimeter. The reaction is that of neutralization between the acid and the base: HCI + NaOH → H20+ NaCl To calculate the approximate enthalpy change for this reaction using q = m. C-AT, what value should the student give to C in the equation? The student must use the heat of formation of water. The student must use the heat of formation of...
An aqueous solution of HCl is added to an aqueous solution of NaOH in a coffee cup calorimeter. The reaction is that of neutralization between the acid and the base: HCI + NaOH + H2O + NaCl To calculate the approximate enthalpy change for this reaction using q = m.C•AT, what value should the student give to C in the equation ? The student must use the heat of formation of water. The student must use the heat of formation...
An aqueous solution of HCl is added to an aqueous solution of NaOH in a coffee cup calorimeter. The reaction is that of neutralization between the acid and the base: HCI + NaOH + H2O + Naci To calculate the approximate enthalpy change for this reaction using q = m-C-AT, what value should the student give to C in the equation? The student must use the heat of formation of water. The student must use the heat of formation of...
An aqueous solution of HCl is added to an aqueous solution of NaOH in a coffee cup calorimeter. The reaction is that of neutralization between the acid and the base: HCI + NaOH + H2O + NaCl To calculate the approximate enthalpy change for this reaction using q = m.C.AT, what value should the student give to C in the equation ? The student must use the heat of formation of water. The student must use the heat of formation...
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