Original temperature of HCI Solution is 20.6 degrees Celsius, Original temperature of NaOH Solution is 20.6 degrees Celsius, Final temperature  of mixture is 26.9 degrees  Celsius, Calculate T(Use the Average of the Initial Temperatures.

Q: a) the molar enthalpy of solution for lithium chloride is -37 kj/mol. what mass of lithium chloride…

A: a) Given : Molar enthalpy of lithium chloride = -37 kJ/mol. And total amount of heat absorbed by…

Q: To measure the heat of solution of LiCl a student adds 100.0 grams of water, initially at 15.0 C to…

A: A) Total mass of solution = (100.0+10.0) g Calculation of heat absorbed by the solution (assuming…

Q: You dissolve 5.16 g of sodium bicarbonate (molar mass 84.007 g/mol) in 101 g of distilled water if…

A: Given: Mass of NaHCO3 dissolved = 5.16 g. Mass of water = 101 g. Decrease in the temperature of…

Q: 8. If the accepted value for the heat of solution for NH,NO, is 25.69 kJ/mol, calculate the percent…

A: Molar enthalpy of solution is the amount of heat released or absorbed per mole of a substance. It is…

Q: How do we define a system? What is the difference between a system and its surroundings?

A: Given question is : Define system = ?  And What is the difference between a system and its…

Q: Consider the dissolution of CaCl₂: CaCl₂(s) → Ca²⁺(aq) + 2Cl⁻(aq) ∆H = -81.5 kJ/mol A 15.0-g sample…

A: Given reaction is: CaCl₂(s) → Ca²⁺(aq) + 2Cl⁻(aq)      :∆H = -81.5 kJ/mol Mass of CaCl2 = 15.0 g…

Q: 3.15 mol of an unknown solid is placed into enough water to make 150.0 mL of solution. The…

A: Given : Volume of solution = 150.0 mL Density of solution = 1.2 g/mL Temperature change of solution…

Q: What will be the final temperature of a 418−g sample of water, initially at 15.0 °C, after 61.7 kJ…

A:

Q: Given that ΔG0f  for SF6 = -1105 kj/mol, and  ΔG0reaction = -374 kj/mol, what is ΔG0f  for SF4 in…

A: Given:  ΔG0f for  SF6 = -1105 kJ/mol ΔG0f for  F2 = 0 kJ/mol ΔG0reaction = -374 kJ/mol

Q: 3.15 mol of an unknown solid is placed into enough water to make 150.0 mL of solution. The…

A: Given moles (n) = 3.15 volume = 150 ml Temperature difference = 20.11°C specific heat (C) = 4.184…

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: The specific heat of octane, C8H181l2, is 2.22 J>g@K. (a) Howmany J of heat are needed to raise…

A: Molar mass of octane: 114 g/molSpecific heat: 2.22 J/g-K Molar mass of water: 18 g/molSpecific heat:…

Q: A student perfroms a reaction adn determnes the enthalpy change to be 31.4 kj will the temperature…

A: Since the enthalpy of reaction if +ve, means that the heat is consumed in the reaction. And since…

Q: When 375.0g of iron block is 87C was added to water at 15C, the system reached 33C. What mass of…

A: The energy of a system always remains the same. It is only transferred from one substance to…

Q: Dissolution of Ammonium Nitrate mass of water: 200 g initial temperature of water: 20°C final…

A: An Exothermic Process is one in which heat is released during the process. An Endothermic Process is…

Q: Which statement is true? O a. A state function is one whose value for a system depends on the method…

A: Answer :-  The true statement is-  (d) A state function is one whose value for a system is…

Q: A 5.00 g sample of an unknown salt is dissolved in 50.0 mL of water.  During dissolution, the…

A: The question is based on the concept of chemical thermodynamics. we have to to identify heat change…

Q: When 30.0 mL of 0.400 M Ca(NO3)2 is added to 30.0 mL of 0.800 M NaF, CaF2 precipitates, as shown in…

A: Given :  Volume of Ca(NO3)2 = 30.0 ml  Molar concentration of Ca(NO3)2 = 0.400 M  Volume of NaF =…

Q: When 2.25 g of sodium hydroxide (NaOH) was dissolved in 100.00 g of water a value of 10.00oC was…

A: The heat of the solution produced when 2.25 g of sodium hydroxide is dissolved in 100 g of water, is…

Q: Sodium chloride is added in cooking to enhance the flavor of food. V\lnen10.00 g of NaCl are…

A: It  involves usage of calorimetry technique to calculate enthalpy change for the reaction.…

Q: 3.15 mol of an unknown solid is placed into enough water to make 150.0 mL of solution. The…

A:

Q: Given the Kb for water (Kb=0.51), calculate for the change in boiling point (in unit degrees…

A:

Q: What processes occur when the LiCl is dissolved?  Explain which of these processes involves a larger…

A: According to question  , answer is given in below image

Q: When a 8.52 g sample of solid potassium hydroxide dissolves in 123.2 g of water in a coffee-cup…

A: Given that:Mass of solid KOH = 8.52 gMass of water = 123.2 gTemperature changes from 21.6oC to…

Q: Calculate ΔH (in kJ/molkJ/mol NH4NO3) for the solution process…

A:

Q: CaCl2 (MM = 110.98 g/mol) is used as road salt in the winter to minimize the accumulation of ice on…

A: On adding dissolving CaCl2, the temperature will change from initial value. Heat absorbed by water…

Q: Which one statement in italics is NOT correct? Other given information is correct. O a. The enthalpy…

A: Exothermic reactions are those reactions which results in the loss of heat , that is temperature of…

Q: When 8.36 g of a salt dissolves in 142 mL of water (density = 1.00 g/mL) in a coffee-cup…

A: Since you have posted multiple unrelated questions, we are entitled to answer the first only as per…

Q: 0.700 moles of an unknown solid is placed into water to make 150.0 mL of solution. The solution's…

A:

Q: Calculate ΔSº for the reaction using the data table provided. NH3(g) + HCl(g) → NH4Cl(s)     ΔSº =…

A:

Q: Consider the dissolution of CaCl₂: CaCl₂(s) → Ca²⁺(aq) + 2Cl⁻(aq) ∆H = -81.5 kJ/mol A 15.0-g sample…

A: The reaction given in the question-                                               CaCl₂(s) →…

Q: 3.15 mol of an unknown solid is placed into enough water to make 150.0 mL of solution. The…

A: Given information:Moles of unknown solid = 3.15 molVolume of solution = 150.0 mLTemperature rises by…

Q: When 59.59 grams of fictional compound X is added to water to make 330.6 grams of solution, the…

A: Given that, the mass of the fictional compound added = 59.59 grams. And the mass of the water =…

Q: When 6.50g of NaOH(s) dissolves in 100g of H2O(l) in a constant pressure calorimeter, the…

A: The enthalpy of dissolution is the enthalpy change associated with the dissolution of a substance in…

Q: Is the dissolution of NaOH endothermic or exothermic

A: We have to tell  Is the dissolution of NaOH endothermic or exothermic

Q: When 1 g of material X(molar mass= 40/g/mol) was dissolved in a beaker containing 35.0 ml of 1 M HCI…

A: The question is based on the concept of specific heat capacity.   it is defined as the amount of…

Q: When 50.0 mL of 0.400 mol L-¹ Ca(NO3)2 is added to 50.0 mL of 0.800 mol L-¹ NaF, CaF2 precipitates,…

A: We need to calculate the final temperature of the solution

Q: When 5.89 g of a solid mixture composed of NH4CI and CaCl2 was dissolved in 100.0 mL of water, the…

A: Enthalpy of solution is the enthalpy change that takes place when a mol of substance is dissolved in…

Q: What quantity of heat (in kJ) will be released (∆H) if 0.2143 mol of NH₃ are mixed with 0.200 mol of…

A: Given the moles of reactant, NH3 = 0.2143 mol  moles of reactant, O2 = 0.200 mol  Since we are given…

Q: What is the change in temperature when 3.00 grams of lithium chloride is dissolved in 100 mL of…

A:

Q: Heat released by the reaction, qrxn (J) Use the equation qrxn = –msoln×Csoln× ΔTsoln. Assume the…

A: Given,  Initial temperature = Ti = 25.00 °C  Final temperature = Tf = 31.37 °C  Change in…

Q: When 2.105 g of NH4NO3 (molar mass is 80.05 g/mL) is added to 100.0 mL of water at 25.05C, the final…

A: To calculate the molar heat of the solution of NH4NO3 in KJ/mol Given that: Mass of solute = 2.105…

Q: 3.15 mol of an unknown solid is placed into enough water to make 150.0 mL of solution. The…

A: The expression for heat absorbed is given by, q=mc∆T where q is the heat absorbed by the system, c…

Q: In a coffee-cup calorimeter, 0.800 g of ammonium nitrate is mixed with 37.5g of water at an initial…

A:

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

A: The total heat of the solution is calculated by the multiplication of heat capacity with the…

Q: 2. When 1.0 g of sodium nitrate was dissolved in 50.0 g of water in a calorimeter at 20.0°C, the…

A: q = mc∆T where q is heat, m is mass of the substance, c is specific heat of the substance and ∆T…

Q: 3H2(g) + N2(g) = 2NH3(g) + HEAT What is the effect of the stated condition on the system Some NH3 is…

A:

Q: What is the immediate Gibbs free energy change for the reaction? In what direction the reaction will…

A: Chemical equilibrium is the condition at which the rate of formation of products and reactants…

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

A: First, we will calculate the enthalpy change and then convert that heat into a molar quantity.  ΔH =…