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: Zinc metal reacts with hydrochloric acid according to the following balanced equation:…

A: Given reaction is:    Zn (s) + 2 HCl (aq) → ZnCl2 (aq) + H2 (g)

Q: Consider the following reaction: CH, (9) + 20, (9) → CO2(9) + 2H, O(1) AH =-891 kJ a. Calculate the…

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A: The chemical reaction is, H2O(l) + C(s) → CO(g) + H2(g)  Calculate ∆H for this reaction ?

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Q: base. Standard school laboratory equipment and a supply of standardized 1.00  mol/L HCl and…

A: (a) What equipment would be needed? Titration --> burete, beaker, acid//base (b) What…

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Q: Given the standard enthalpy changes for the following two reactions: (1) 4C(s) + 5H2(g) C¾H10(g) AH°…

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Q: In a calorimeter, 1.80 g of NH&NO%0) (80.04 gmol') is mixed with 74.0 g of water at an initial…

A: Given data,Mass of NH4NO3=1.80gMass of water=74.0gInitial temperature=25oCFinal…

Q: In a coffee cup calorimeter, 75.0mL of 0.050M silver nitrate is mixed with 90.0mL of 0.100M sodium…

A: The enthalpy change for the reaction of silver nitrate and sodium sulfide from the given data is to…

Q: The combustion of 1.727 g of sucrose, C,H„O,,(s), in a bomb calorimeter with a heat capacity of 5.20…

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Q: When 150 mL of 1.00 M NaOH is added to 100 mL of 1.30 M HCl in an insulated calorimeter, the…

A: To calculate the enthalpy change for the neutralization reaction, the following quantities are…

Q: Zinc metal reacts with hydrochloric acid according to the following reaction: % Zn (s) + HCI (aq) →…

A: The reaction given is, Given: Mass of Zn reacting = 0.9807 g. Concentration of HCl = 0.250 M Volume…

Q: Which of the following scenes depict the process of an increase in the enthalpy?     Stirring a…

A: Answer: Enthalpy of the system decreases when process is exothermic and it loses heat and enthalpy…

Q: When 15.0 mL of 3.00 M NaOH was mixed in a calorimeter with 13.0 mL of 3.00 M HCl, both initially at…

A: Given : Concentration of NaOH = 3.00 M Concentration of HCl = 3.00 M Volume of NaOH solution = 15.0.…

Q: Part A Chemical energy is released or absorbed from reactions in various forms. The most easily…

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Q: A scientist measures the standard enthalpy change for the following reaction to be 11.0 kJ…

A: Given: Standard reaction enthalpy= 11.0 kJ

Q: In one experiment, a student placed 50.0 mL of 1.00 M HCl in a coffee-cup calorimeter and carefully…

A: This problem can be solved by using the following method of the calorimeter. q=m×c×△TWhere;m= mass…

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

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

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Q: Sodium carbonate is a white powder used in the manufacture of glass. When hydrochloric is added to a…

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Q: When 15.0 mL of 3.00 M NaOH was mixed in a calorimeter with 13.0 mL of 3.00 M HCl, both initially at…

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Q: The standard reaction enthalpy for the hydrogenation of propene, C3H6, is -124 kJ mol-1. The…

A: The enthalpies given for different reactions can be written with reactions as, 1) C3H6 + H2…

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Q: What is the standard enthalpy change for the combustion of 3.50 mol of methanol? 2CH 3OH(l) + 3O 2 →…

A: Standard enthalpy of combustion of methanol is -715 kJ/mole

Q: When salt (NaCI) is dissolved in water, the molar enthalpy of solution (AHsol) is +3.9kJ/mol. If 40g…

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Q: A calorimeter contains 30.0 mL of water at 14.0 °C When 1.70 g of X (a substance with a molar mass…

A: Given: Mass of X dissolved = 1.70 g. Molar mass of X = 76.0 g/mol. Initial temperature of solution =…

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

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Q: Consider the following reaction:   2 HCl(aq) + Ba(OH)2(aq)  ⟶⟶ BaCl2(aq) + 2 H2O(l)          ΔH=…

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Q: A scientist measures the standard enthalpy change for the following reaction to be -56.0 kJ:…

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Q: When 2.89 g of AX (s) dissolves in 125.3 g of water in a coffee-cup calorimeter the temperature…

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Q: Ba(OH)2 8H20(s) + 2NH4NO3(aq) → calorimeter containing 200.0 mL of 0.01 M NH4NO3, changing the…

A: 1.) To calculate the Enthalpy change of reaction , formula used is : ∆Hrxn = - q / n  where , q =…

Q: 5.4 The contents of the closed box in each of the following illustra- tions represent a system, and…

A: The first law of thermodynamics describes that energy can neither created nor destroyed, it can be…

Q: Please solve for a and b

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Q: What is the change in internal energy for a system if the system absorbs 322 kJ of heat and has…

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

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Q: 3. Define calorimetry and describe the two commonly used calorimeters. 4. When a 1.50 g sample of…

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Q: Consider the following reaction: 6 CH. (9) + 20, (g) CO2(9) + 2H,O(1) AH=-891 kJ a. Calculate the…

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Q: 20 The Romans used calcium oxide, CaO, to produce a strong mortar to build stone structures. The CaO…

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Q: Hydrogen gas, H2 , reacts explosively with gaseous chlorine, Cl2 , to form hydrogen chloride,…

A: Given, Hydrogen gas H2 reacts explosively with gaseous chlorine Cl2. What is the enthalpy of the…

Q: You discover a new substance and wish to determine its specific heat capacity. Your sample weighs…

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Q: a system does 596 kJ of work and loses 276 kJ of heat to the surroundings. What is the change in…

A: According to first law of thermodynamic, The total internal energy is

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Q: A quantity of 50.0 mL of 0.200 M Ba(OH)2 is mixed with 50.0 mL of 0.400 M HNO3 in a…

A: The balanced chemical equation is written as, BaOH2aq+2HNO3aq→BaNO32aq+2H2Ol The required amount of…

Q: The chemical equation for photosynthesis is as follows: 6 CO2 + 6 H2O → CH1206 + 6 O2 Every year,…

A: Given-> 6CO2(g) + 6H2O (l) -->C6H12O6(s) + 6O2(g) Weight of CO2 = 2.85 ×10^4 kg