In an experiment, 5.30 g of lithium chloride is dissolved in 100 cm3 of water to give 105.3 g of solution with a specific heat capacity of 4.184 J K-l g-l. The dissolution caused the temperature to change from 24.0 to 35.0 °C. Calculate the molar enthalpy of solution of lithium chloride in units of kJ mol-1.

Q: Suppose that the reaction of 2.172 moles consumes 3.21 kJ of heat. What is the molar enthalpy of the…

A: The answer to the following question is :

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

A: Heat of solution is directly proportional to the the temperature change.

Q: 5 grams of an unknown compound was dissolved in 75 ml of water with an initial temperature of 22.5ᵒC…

A: Given: Weight of water = 75 ml = 75 grams Initial temperature (T1) = 22.5°C Final temperature (T2) =…

Q: The standard enthalpy change for the following reaction is 2.14x10³ kJ at 298 K. UF6(s) U(s) + 3…

A: Given : reaction And ∆Hrxn = 2.14 × 103 KJ

Q: A 5.52E1 g sample of water at 9.973E1 °C is placed in a constant pressure calorimeter. Then, 2.32E1…

A:

Q: The combustion of 1.00 mol of glucose (C6H12O6) liberates 2820 kJ of heat. If 1.13 g of glucose is…

A:

Q: When a 6.00 g6.00 g sample of KSCNKSCN is dissolved in water in a calorimeter that has a total heat…

A:

Q: When 1.49 mL of 0.410 M of HI(aq) is combined with 9.66 mL of 0.570 M of NaOH(aq) in a coffee-cup…

A: The balanced reaction for the HI and NaOH is as follows: HI(aq) + NaOH(aq) → NaI(aq) + H2O(l) The…

Q: Suppose that the reaction of 1.326 moles consumes 25.27 kJ of heat. What is the molar enthalpy of…

A:

Q: The standard heat of combustion of propanol, C3H7OH, is 2021 kJ/mol. How much heat would be…

A: Number of moles of any substance can be calculated by dividing the mass of the substance with its…

Q: When a 7.00 g sample of KCN is dissolved in water in a calorimeter that has a total heat capacity of…

A:

Q: In Part B of the experiment, a student mixes 28.0 mL of 1.100 M HCl(aq) with 28.0 mL of 1.000 M…

A:

Q: When a 4.00 g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of…

A: Heat of solution is the heat absorbed or given out when the salt is dissolved.

Q: During an isothermal compression of an ideal gas, 410 J of heat must be removed from the gas to…

A: Since 410 J of heat is removed from the gas, Hence heat transfer (q) = - 410 J Since the compression…

Q: For the reaction Cr(C6H6)2(s) → Cr(s) + 2 C6H6(g), ΔrU⦵(583 K) = +8.0 kJ mol−1. Find the…

A: Given: The reaction is as follows, delta Uorxn    = + 8.0 kJ/mol Temperature = 583 K

Q: When a 3.00 g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of…

A:

Q: Given the standard reaction enthalpies for these two reactions: (1) N2(g) + 20,(g) →N2O4(g) A,H° =…

A: Given  N2(g) +  2O2(g)   →  N2O4(g)                ∆rH°  =  9.2 KJ/mol                 [ Equation 1…

Q: . The molar enthalpy of combustion of natural gas is 802 kJ/mol. Assuming 100% efficiency and…

A: By energy conservation: Heat released by methane = heat absorbed by water Heat absorbed by water =…

Q: Potassium nitrate, KNO,, has a molar mass of 101.1 g/mol. In a constant-pressure calorimeter, 20.9 g…

A: Given data : Molar mass of KNO3 (MK)= 101.1 g/mol Mass of KNO3 (mK) = 20.9 g Mass of water (mw) =…

Q: Potassium nitrate, KNO,, has a molar mass of 101.1 g/mol. In a constant-pressure calorimeter, 36.9 g…

A: Given: Mass of KNO3= 36.9 g Mass of water= 283 g The temperature of water = 23.00 oC The final…

Q: 200 cm3 of 1.0M HCL and 200 cm3 of 1.0M NaOH at 33.1oC were mixed in a simple calorimeter. The…

A:

Q: In the laboratory a general chemistry student finds that when 0.73 g of KOH(s) are dissolved in…

A: The given mass of KOH = 0.73 g The given mass of water = 100.40g Total mass of the solution (m) =…

Q: Potassium nitrate, KNO,, has a molar mass of 101.1 g/mol. In a constant-pressure calorimeter, 34.4 g…

A: Given that: Mass of KNO3 = 34.4 g, mass of water = 217 g, initial temperature of water, Ti = 23.00⁰C…

Q: When 23.6g of calcium chloride, Was dissolved in water in a constant pressure calorimeter, the…

A: For heat capacity ,heat and temperature ,there is a relation for all: q=c×△TWhere:q= Heat…

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

A: The heat of the reaction when 6 g of KBr is dissolved can be calculated as,

Q: The molar heat capacity at constant pressure for CO(g) is 6.97 cal mol-1 K-1. How much heat in cal…

A: Molar heat capacity at constant pressure (Cp) :-  The amount of heat required to rise the…

Q: hydrobromic acid, HBr(aq), is added to a 100.0 mL solution of 0.300 M potassium hydroxide, KOH(aq),…

A: Molarity of HBr = 0.100 M Volume of HBr = 300 mL = 0.30 L Moles of HBr = M × V     = 0.10 × 0.30 =…

Q: When a 2.00 g sample of KSCN is dissolved in water in a calorimeter that has a total heat capacity…

A: The molar heat is the quantity of heat required by one mole of a substance to raise its temperature…

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

A: We have to calculate the molar heat of solution.

Q: If 0.315 moles of hexane (C6H14) are burned in a bomb calorimeter containing 5.65 liters of water,…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: When a 2.00 g sample of KCN is dissolved in water in a calorimeter that has a total heat capacity of…

A:

Q: 5. 25 cm3 of 1.0 M hydrochloric acid and 25 cm3 of 1.0 M sodium hydroxide solution both at initial…

A: Q = m . s . (T2 - T1) Molar heat of neutralization = Q/Numbe of moles of acid or base Number of…

Q: When a 3.00 g sample of RbBr is dissolved in water in a calorimeter that has a total heat capacity…

A: Heat capacity is defined as the total amount of heat supplied to a body to bring a unit change in…

Q: The combustion of titanium with oxygen produces titanium dioxide: Ti (s) + 02 (g) TIO2 (s) When…

A: Titanium reacts with oxygen to form titanium dioxide. The equation for the balanced chemical…

Q: A 0.05mol sample of methane, CH4, is combusted under a calorimeter containing 250mL of H20. If the…

A:

Q: A system absorbs 1.66E2 kJ of heat and the surroundings do 1.032E2 kJ of work on the system. What is…

A: We have to predict the change in internal energy of system.

Q: The molar heat capacity at constant pressure for CO(g) is 6.97 cal mol-1 K-1. How much heat in cal…

A: At constant pressure  Molar heat capacity Cp is defined as the heat Q  which is required for a…

Q: The combustion of 1.00 mol of glucose (C6H1206) liberates 2820 kJ of heat. If 1.13 g of glucose is…

A: Moles of glucose are, Moles = mass ÷ molar mass Moles = 1.13 g ÷ 180 g/mol Moles = 0.0063 mol   Heat…

Q: When 0.120 g of naphthalene (C,H10) was burned in a bomb calorimeter, the temperature rose by…

A:

Q: A calorimeter contains 20.0 mLmL of water at 11.0 ∘C∘C . When 2.10 gg of XX (a substance with a…

A: Volume of water ,= 20 ml  Density of water = 1gm/ml  Mass of water = density x volume = 20 x 1 = 20…

Q: When 15.8 g KBr(s) dissolves in 119.7 g of water at 24.2°C, the final temperature of the solution…

A:

Q: In a coffee- cup calorimeter, 2.6g of CaCl2(s) was dissolved in 260g of water at a combined initial…

A: Data given: Mass of CaCl2 (s) = 2.6 g Mass of water = 260 g Initial temperature, T1 = 23.0 °C Final…

Q: Find the molar enthalpy of combustion in kJ/mol of glucose at some temperature and pressure C6H12O6…

A: Q1+Q2=0 Q1=nxΔH  Q2= M x c x ΔT n=number of moles = mass of glucose /mol mass of glucose mass of…

Q: In a coffee cup calorimeter, a student places 0.350 g of magnesium, followed by addition of 45.0 mL…

A: Heat capacity is the quantity of heat required to increase the temperature of an object or a…

Q: alculate the ΔH°rxn of the reaction in a bomb calorimeter: NaOH(s) → NaOH(aq) Given the following:…

A: Need to calculate enthalpy for the reaction.  Volume of solution = 100 ml Molarity of solution = 1M…

Q: 25.00 mL of 0.200 M sulfuric acid was added to 25.00 mL of 0.200 M NAOH, in a constant volume…

A:

Q: The salt iron(III) bromide is soluble in water. When 1.69 g FeBrz is dissolved in 105.00 g water,…

A: Given: The mass of FeBr3 = 1.69 g The mass of water = 105.00 g The initial temperature of the…

Q: Calculate the standard enthalpy change for the fermentation process, in which glucose (C6 H12 O6 )…

A: The standard enthalpy change for fermentation process has to be calculated. The balanced chemical…

Q: When a 3.00 g sample of KCN is dissolved in water in a calorimeter that has a total heat capacity of…

A: