Consider the molar enthalpy change for this neutralization reaction: HCl(aq)+NaOH(aq)⟶NaCl(aq)+H2O(l)ΔH∘=−57.3kJ/mol We mixed 30 mL of 1.0 M HCl with 70 mL of 1.0 M NaOH.  What is the theoretical value for the temperature increase?  Express your answer in ∘C.

Q: The mixture of 44.0 mL of 0.280 M barium hydroxide and 44.0 mL of 0.300 M hydrobromic acid results…

A: No of moles of Ba(OH)2=  0.280 M × 0.044 L =0.01232 mol No of moles of HBr = 0.300 × 0.044 L =0.0132…

Q: calculate the enthalpy change for the following reaction: (3) FeCl₂(s) + Hg(1)→→→ Fe(s) + HgCl₂(s)…

A:

Q: Calculate the standard enthalpy change for the reaction 2C8H18(l) + 21O2(g) → 8CO(g) + 8CO2(g) +…

A: To find :  2C8H18(l)+21O2(g)→8CO(g)+8CO2(g)+18H2O(l)…

Q: When 1.31 g of KClO3 was added to 138.34 g of water in a calorimeter, the  temperature dropped by…

A: mass of KCIO3 = 1.31 g mass of water = 138.34 g Temperature dropped = 0.506 °C Heat capacity of H2O…

Q: In a constant‑pressure calorimeter, 65.0 mL of 0.340 M Ba(OH)2 was added to 65.0 mL of 0.680 M HCl.…

A:

Q: When 1.34 g of KClO3 was added to 142.07 g of water in a calorimeter, the  temperature dropped by…

A: mole = massmolar mass heat = m * s * ∆Twherem = mass of solutions = specific heat of solution∆T =…

Q: A student transferred 50.0 mL 1.00 M HCl into a coffee-cup calorimeter, which had a temperature of…

A: Given: Volume of  HCl=  50.0mL Concentration of HCl= 1.00M Volume of NaOH= 50.0 mL Concentration of…

Q: A chemist measures the enthalpy change AH during the following reaction: 2 Al(s) + Fe,O3(s)→Al,O3(s)…

A: Given, 2 Al(s) + Fe2O3(s) ➝ Al2O3(s) + 2 Fe(s)   ∆H = -852 kJ Calculating the values of ∆H for the…

Q: Calculate the standard enthalpy change for this reaction:  Mg(s) + 2H2O(l) -> Mg(OH)2(s) + 2H2(g)

A: ∆H°=∆Hproduct=∆Hreactant

Q: The enthalpy of neutralization of a newly discovered compound, J(OH)3, was determined using a…

A:

Q: Which of the reactions are exothermic? 2 Mg(s) + O,(g) → 2 MgO(s) + heat NH, (g) + HCI(g) → NH,CI(s)…

A: If heat is produced as one of product then the reaction is exothermic. If heat is used as reactant…

Q: When 1.18 g of KClO3 was added to 149.35 g of water in a calorimeter, the  temperature dropped by…

A: Given:Mass of water = 149.35 g.Mass of KClO3 = 1.18 g.specific heat of the solution = specific heat…

Q: 6.00 g of a water soluble salt was dissolved in 75.0mL of water. The initial temperature of the…

A:

Q: We want to determine the enthalpy of neutralization of the following reaction. HCl(aq) + NaOH(aq) →…

A:

Q: The

A: We will calculate ∆H

Q: Palmitic acid (C16H32O2) is a dietary fat found in beef and butter. The caloric content of palmitic…

A: The combustion of palmitic acid is given as follows: C16H32O2 (s) + 23 O2 (g) → 16 CO2 (g) + 16 H2O…

Q: Use these reactions and standard enthalpies, AH 2 ZbO(s) + 1/2 O2(3)Zb2O3(s) AH" - -120.0 kJ 2…

A:

Q: The standard enthalpy of neutralization of a weak hydrogen cyanide acid, HCN (aq), by a stong base,…

A: The quantity of energy that is evolved by a gaseous atom which is isolated and needs to lose an e-…

Q: A chemist measures the enthalpy change AH during the following reaction: 2 KCl(s) + 30,(g)→2 KC1O…

A:

Q: The aluminum cup inside your calorimeter weighs 41.55 g. You add 59.21 g of 1.0 M acetic acid…

A:

Q: A chemist measures the enthalpy change AH during the following reaction: 2 Al(OH);(s)→Al,03(s) + 3…

A:

Q: When HCl(aq) and NaOH(aq) are mixed in a beaker, the beaker feels warm to the touch. What is known…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: The standard enthalpy change for the following reaction is 561 kJ at 298 K. Cd(OH)2(s) → Cd(s) +…

A: Cd(OH)2 (s)  -----> Cd(s) + O2(g)  + H2(g)   ∆Ho1 = 561 kJ   ........................(1) Cd(s) +…

Q: In a laboratory investigation into the neutralization reaction;   HNO3 (aq) + NaOH(s) → NaNO3 (aq)…

A:

Q: The standard enthalpy change for the following reaction is -425 kJ at 298 K. AH° -425 kJ K(s) +…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: When 2.232 g of AX (s) dissolves in 147.5 g of water in a coffee-cup calorimeter the temperature…

A: Given: The specific heat of water, (Cw) = 4.184 J/gK. The mass of water, (mw) = 147.5 g. The initial…

Q: A chemist measures the enthalpy change AH during the following reaction: 2 Al(s) + Fe,O3(s)→…

A:

Q: The standard enthalpy change for the following reaction is 450 kJ at 298 K Cu(OH)2(s) → Cu(s) +…

A: Given:

Q: When 0.0300L of 0.500 M KOH is mixed with 0.0500 L of 0.300 M HNO3 in a coffee-cup calorimeter, the…

A: Given: Initial temperature of mixture= 18.89∘CFinal  temperature of mixture= 20.20∘CHeat capacity of…

Q: When a 6.00 g sample of KSCN is dissolved in water in a calorimeter that has a total heat capacity…

A: Given a 6.00 g sample of KSCN is dissolved in water in a calorimeter that has a total heat capacity…

Q: The standard enthalpy change for the following reaction is 561 kJ at 298 K. Sn(OH)2(s) → Sn(s,…

A: Given reactions are shown below,

Q: In a constant pressure coffee-cup calorimeter, 100.0 mL of 0. 050 M of Ag+ was mixed with 100.0 ml…

A: Given : Concentration of Ag+ ion = 0.050 M Volume of Ag+ solution = 100.0 mL = 0.100 L…