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 J/degree C
The heat capacity of NaCl solution (Cs) is 3.91 J/g degrees C
Density of a 1M NaCl solution = 1.037 g/mL
HCl and NaOH react according to the following equation: HCl (aq) + NaOH → Na+(aq) +...
When 0.100 g of Zn(s) combines with enough HCl to make 55.0 mL of HCl(aq) in a coffee cup calorimeter, all of the zinc reacts, which increases the temperature of the HCl solution from 23.0 ∘ ∘ C to 24.5 ∘ ∘ C: Zn(s) + 2HCl(aq) → ZnCl 2 2 (aq) + H 2 2 (g) Calculate the enthalpy change of the reaction Δ ΔH r x n rxn . (Assume the density of the solution is...
HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(1) 100.0 mL of 0.500 M HCl is mixed with 300.0 mL of 0.100 M NaOH in a coffee cup calorimeter. Assuming the temperature of the solution was initially 25.0 °C, and the final temperature of the solution was 26.7 °C, calculate the enthalpy of this reaction per mole of HCl. Assume the density of the water and acid and base solutions are all 1.00 g/mL.
100 mL of 0.500 M HCl is mixed with 100 mL of 0.600 M NaOH in a constant pressure calorimeter. The initial temperature of the solutions is 22.50 C and the final temperature of the mixed solution is 25.86 C. Calculate ?rH (in units of JK/mol-rxn) for the reaction NaOH(aq) + HCl(aq) -> NaCl(aq) + H2O(l) The density of the resulting solution is 100 g/mL, and its specific heat is 4.184 J/(g C). Thank you in advance!
If possible please give the formula or steps required for me to solve these questions, as I would like to go through the steps myself rather than just receiving answers. Thanks. Information BACKGROUND: This is part 1 of an enthalpy experiment involving: Use of NaCl and HCl to determine the heat capacity of a coffee-cup (styrofoam cup) caloimeter; And the following to determine enthalpy change in the reaction of Magnesium with Hydrochloric acid; Mg(s) + 2H+(aq) --> Mg2+(aq) + H2(g)...
Enthalpy of Neutralization Reaction: A 25.0 mL sample of 0.200 M NaOH is mixed with a 25.0 mL sample of 0.200 M HNO3 in a coffee cup calorimeter. NaOH and HNO3 will undergo Neutralization Reaction according to the following balanced equation: NaOH(aq) + HNO3(aq) --> NaCl (aq) + H2O (l) Both solutions were initially at 35.00°C and Tmax of the resulting solution was recorded as 37.00°C (from the graph). Assume 1) that no heat is lost to the calorimeter or the surroundings, and...
The reaction of an acid such as HCl with a base, such as NaOH, in water is an exothermic reaction. HCl(aq) + NaOH(aq) ---> NaCl(aq) + H2O In one experiment, a student placed 55.0 mL of 1.00 M HCl in a coffee-cup calorimeter and carefully measured its temperature to be 35.5oC. To this was added 55.0 mL of 1.00 M NaOH solution whose temperature was also 35.5oC. The mixture was quickly stirred, and the student noticed that the temperature of...
8. The addition of HCl(aq) to a silver nitrate solution precipitates silver chloride according to the following reaction: AgNO3 (aq) + HCl (g) AgCl(s) + HNO3 (aq) ΔHrxn = ? a. When 50.00mL of 0.100 M AgNO3 is combined with 50.00 mL of 0.100 M HCl in a coffee-cup calorimeter, the temperature of solution changed from 23.40°C to 24.21 °C. Calculate ΔHrxn for this reaction as written. Assume the density of the solution is 1.00g/mL and the specific heat capacity...
You want to determine AH for the reaction Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(g) To do so, you first determine the heat capacity of a calorimeter using the following reaction, whose AH is known: NaOH(aq) + HCl(aq) + NaCl(aq) + H2O(1) -57.32 kJ (a) Calculate the heat capacity of the calorimeter from these data: Amounts used: 50.0 mL of 2.00 M HCl and 50.0 mL of 2.00 M NaOH Initial T of both solutions: 16.9°C Maximum T recorded during...
I 1. The Heat of Neutralization of HCl(aq) and NaOH(aq) Mass Heat Capacity Initial Temp Solution 102g 4.18 J/gºC 20.00 C Final Temp 26.81 3-6 Initial Temp Final Temp nation: sely de 20.00 C 25.21C 2 The Heat of Solution for NaOH) Mass Heat Capacity Solution 2.00g 4.18 J/gºC 3 The Heat of Reaction for HClaq) and NaOH) Solution 2.00g 4.18 J/gºC The Heat of Reaction for HCl(aq) and NaOH) Solution 2.00g 4.18 J/g °C 20.00 31.83 INITIAL TEMP 20.00...
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...