a constant‑pressure calorimeter, 70.0 mL70.0 mL of 0.300 M Ba(OH)20.300 M Ba(OH)2 was added to 70.0 mL70.0 mL of 0.600 M HCl.0.600 M HCl. The reaction caused the temperature of the solution to rise from 22.11 ∘C22.11 ∘C to 26.20 ∘C.26.20 ∘C. If the solution has the same density and specific heat as water (1.00 g/mL1.00 g/mL and 4.184J/g⋅°C,)4.184J/g⋅°C,) respectively), what is Δ?ΔH for this reaction (per mole H2OH2O produced)? Assume that the total volume is the sum of the individual volume

Q: In a constant‑pressure calorimeter, 60.0 mL60.0 mL of 0.300 M Ba(OH)20.300 M Ba(OH)2 was added to…

A: The balanced reaction taking place can be written as, => 2 HCl (aq) + Ba(OH)2 (aq) --------->…

Q: In a calorimetry experiment, 0.1277 g of Mg ribbon was added to 200.0 mL 0.500 M HCl at 24.12…

A: Given: mass of Mg = 0.1277 g Concentration of HCl = 0.500 M Volume of HCl = 200 mL = 0.2 L Initial…

Q: A student dissolves 12.4 g of sodium hydroxide (NaOH) in 200. g of water in a well-insulated open…

A: The reaction is Exothermic.

Q: The calibration of a calorimeter is done by using 13.00mL of 0.104M NaOH and 11.29mL of 0.125M HCl…

A:

Q: Calculate the standard enthalpy change for the reaction at 25 °C. Standard enthalpy of formation…

A:

Q: Potassium nitrate, KNO3, has a molar mass of 101.1 g/mol. In a constant-pressure calorimeter, 23.4 g…

A:

Q: 11 Q nple of KOH(s) at 25.0 C was added to 100.0 g of H,O(1) at room temperature inside an insulated…

A: Given that,  KOH is dissolved in water. After all the KOH is dissolved, the temperature of the…

Q: In a constant‑pressure calorimeter, 65.0 mL65.0 mL of 0.350 M Ba(OH)20.350 M Ba(OH)2 was added to…

A: A calorimeter is used to measure the heat of a reaction. There may have endothermis or exthormic…

Q: A coffee cup calorimeter with a heat capacity of 4.90 J/∘C was used to measure the change in…

A: Calorimeter is an instrument which which help us to account for the amount of heat involved in a…

Q: 11. If 100 mL of 1.00 M silver nitrate are added to 100 mL of 1.00 M potassium iodide in a…

A: When we heat a substance the temperature of the substance increases. The required amount of heat to…

Q: H3C. (k) Og Zn/CH,COOH H3C heat 1R

A: The given reaction is the example of Diels alder reaction. In the second step ozonolysis of alkene…

Q: 7) ) Use the following data to calculate the enthalpy of solution of lithium chloride. chloride =…

A: Hf for solid lithium chloride is given by the process  Li+(g) + Cl-(g) →LiCl (s) The overall process…

Q: A constant-volume calorimeter was calibrated by carrying out a reaction known to release 1.18 kJ of…

A:

Q: A student followed the procedure in this experiment, using 28.0 mL of 1.55 molar HCl and 31.0 mL of…

A:

Q: Measurements show that the enthalpy of a mixture of gaseous reactants decreases by 369. kJ during a…

A: Given information,    Enthalpy change = - 369 kJ    Work done = - 157 kJ

Q: 5.25mL of a 1.35M solution of sodium hydroxide is combined with 6.90mL of a 810.mM solution of…

A: The enthalpy of neutralization is 7.1790 kcal/mol.

Q: When 5.03 of solid potassium hydroxide are dissolved in 100.0 mL of distilled water in a coffee-cup…

A:

Q: 4.51 g of MgSO, is placed into 100.0 mL of water. The water's temperature increases by 6.70°C.…

A:

Q: A student dissolves 11.4 g of sodium hydroxide (NaOH)in 200. g of water in a well-insulated open…

A:

Q: A 5.00 g-sample of KOH at 25.0 C was added to 100.0 g of H2O(l) at room temperature inside an…

A: Dissolution of compounds depends on the intermolecular forces between solvent and solute molecules.

Q: 50.0 mL of 2.03 M NaOH(aq) is mixed with 50.0 mL of 2.20 M HCl in a Styrofoam calorimeter.…

A:

Q: What is the standard enthalpy (in kJ/mol) of a reaction for which the equilibrium constant increased…

A: The relationship between equilibrium constant ( K ) , temperature ( T )  and standard enthalpy ( ∆H…

Q: Calculate the change in internal energy (in kcal) for the reaction Cl2(g) + 7/2 O2(g) = Cl₂O7(g) at…

A: Given-> Cl2(g) + 7/2(O2) = Cl2O7(g)  T = 25°C  ∆H= 63.4 kcal/mole

Q: Reactions between acids and bases (neutralization reactions) are exothermic. You have a solution of…

A: Given : Neutralisation reactions i.e reactions between acids and bases are exothermic in nature. You…

Q: Zinc metal reacts with HCl according to the following balanced equation: Zn(s) + 2HCI(aq) ZnCl2(aq)…

A: Given , Initial temp= 21.60 °C Final temp = 24.60 °C  Mass of Zn = 0.14 g Molar mass = 65.38 g…

Q: Consider the reaction: CO(g) + 1/2O₂(g) = CO₂(g) Write the equilibrium constant for this reaction in…

A: Since,Equilibrium constant or Kc is the ratio of the equilibrium concentrations of product over…

Q: A student followed the procedure in this experiment, using 29.5 mL of 1.59 molar HCl and 31.0 mL of…

A:

Q: A student was asked to determine the enthalpy of solution of KCIO3 in water using Styrofoam…

A: During calibration, Millimoles of HCl used=Volume of HCl×Molarity of HCl=8.00 mL×0.050 M=0.40 mmol

Q: Calculate the standard enthalpy change for the reaction at 25 °C. Standard enthalpy of formation…

A: Solution: The given reaction is, The standard enthalpy change of formation for each reactant and…

Q: Zinc metal reacts with hydrochlonic acid according to the following balanced equation. Zn(s) +…

A:

Q: An experiment was conducted to find the heat of neutralisation in an acid - basereaction.A solution…

A: Approach to solving the question:q=mcΔT558.36 J=57.0 g×4.18 J/g°C×Δ𝑇558.36 J=57.0 g×4.18…

Q: 4.06 g of MgSO₄ is placed into 100.0 mL of water. The water's temperature increases by 6.70°C.…

A: Enthalpy of reaction is determine by change in enthalpy of product and reactant. Enthalpy of…