Consider the following reaction:   2 HCl(aq) + Ba(OH)2(aq)  ⟶⟶ BaCl2(aq) + 2 H2O(l)          ΔH= -118 kJ   Calculate the heat involved (kJ) when 25.0 mL of 1.500 M HCl is mixed with 150.0 mL of 0.500 M Ba(OH)2 in a coffee-cup calorimeter.

Q: When a 9.55-g sample of solid sodium hydroxide dissolves in 100.0 g of water in a coffee-cup…

A: Given : mass of NaOH = 9.55 g Mass of water = 100 g The heat absorbed by the reaction is given by  Q…

Q: When a 2.45-g sample of solid sodium hydroxide dissolves in 41.2 g of water in a coffee-cup…

A: In a coffee cup calorimeter  Amount of heat released due to reaction is equal to heat abosorbed by…

Q: When a 2.66-g sample of solid ammonium chloride dissolves in 37.8 g of water in a coffee-cup…

A: The heat of a reaction or change in enthalpy of a reaction is associated with the amount of heat…

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:

Q: When 1.81 g of zinc metal reacts with 100.00 g of 1.00M HCl in a coffee-cup calorimeter, the…

A: Zinc metal reacts with Concentrated HCl is an exothermic reaction(heat produced) thus temperature…

Q: For the reaction, N2(g) + 2 O2(g) ➞ 2 NO2(g) , the enthalpy change is 33.9 kJ/mole of NO2 formed.…

A: Enthalpy is a thermodynamic property which is an extensive additive property we are required to find…

Q: When 50.0 mL of 1.20 M of HCl(aq) is combined with 50.0 mL of 1.30 M of NaOH(aq) in a coffee-cup…

A:

Q: 7) When 0.180 mole of sodium nitrate, NaNO, was dissolved in water in a constant-pressure…

A:

Q: The standard enthalpies of combustion at 25°C of hydrogen gas, H2(g), n-butane – C4H10(g),  1-butene…

A:

Q: A calorimeter contains 23.0 mL of water at 14.5 °C . When 2.20 g of X (a substance with a molar mass…

A:

Q: When a 3.25 g sample of solid sodium hyrdroxide dissolves in 80.0 g of water in a coffee cup…

A:

Q: When a student mixes 50 mL of 1.0 M HCl and 50 mL of 1.0 M NaOH in a coffee-cup calorimeter, the…

A: Given: Total volume of solution= 100 mL Initial temperature= 21°C Final temperature= 27.5°C

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, 120.0 mL of 1.4 M NaOH and 120.0 mL of 1.4 M HCl are mixed. Both…

A: Volume of 1.4 M NaOH taken, V = 120.0 mL Volume of 1.4 M HCl taken, V = 120 mL

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: Calcium metal reacts with acid in solution according to the following reaction: Ca(s) + 2H†(aq) →…

A: Given: Mass of Ca reacting = 0.1437 g. Mass of solution = 150.0 g. Initial temperature = 21.80 oC…

Q: Methanol is an organic solvent that can be used as a fuel in some automobiles. 2 CH3OH(l)…

A: Given: volume of methanol (CH3OH) = 15 mL density of methanol = 0.792 g/mL molar mass of methanol =…

Q: 1. When a 6.50 g sample of solid sodium hydroxide dissolves in 100.0 g of water in a coffee- cup…

A:

Q: Consider the thermochemical equation for the combustion of acetone (C3H,O), the main ingredient in…

A: Solution :      The heat of reaction is defined as the amount of heat absorbed or released during a…

Q: 3. When a student mixes 50 mL of 1.0 M HCI and 50 mL of 1.0M NaOH in a coffee- cup calorimeter, the…

A: given - 50 ml of 0.1 HCl  50 ml. of 0.1 NaOH density = 1 g/ml specific heat = s = 4.18 J/g K initial…

Q: 5.00 – mL of 0.64M HCl and 45.00 – mL 0.77M NaOH, both initially at 26.0°C, are mixed in a…

A: Given: Concentration of HCl = 0.64 M Concentration of NaOH = 0.77 M Volume of NaOH solution added =…

Q: 2. Calcium oxide can be reacted with pure carbon to produce calcium carbide, which is an explosive…

A: The balanced reaction taking place is given as, => CaO + 3 C ---------> CaC2 + CO…

Q: 1) Glucose, C6H12O6 (MM = 180 g/mol), is converted into ethyl alcohol, C2H5OH(l) in the fermentation…

A:

Q: 5.04 x 10-3 mole of a compound is added to 41.0 g of water in a styrofoam cup and stirred until it…

A: Given,Mass of water = 41.0g.Temperature change = 23.4600C – 23.4200C…

Q: 1. When 0.243 g of Mg metal is combined with enough HCl to make 100 mL of solution in a…

A: Given that , Mass of Mg metal =0.243g Intial temperature T1= 23.0°C Final temperature T2= 34.1°C…

Q: Consider the dissolution of ammonium nitrate according to the following equation: NH,NO3(s) → NH,…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3 sub-parts. Please resubmit the…

Q: 6. Carbon Tetrachloride, CCI4, was a very popular organic solvent until it was found to be toxic.…

A:

Q: A 50.0 mL solution of 1.2 M HCl at 24.1oC is mixed with 50.0 mL of 1.3 M NaOH, also at 24.1oC, in a…

A: HCl = 50.0 mL x 1.2 M = 60 mmol = 0.060 mol NaOH = 50.0 m X 1.3 M = 65 mmol = 0.065 mol here HCl and…

Q: 5) Ethyl alcohol is produced by the fermentation of glucose, C6H12O6. C6H1206(s)→2 C2H5OH(/) +2…

A:

Q: In a coffee-cup calorimeter, 120.0 mL of 1.0 M NaOH and 120.0 mL of 1.0 M  HCl are mixed. Both…

A: total volume of solution = 120.0 mL + 120.0 mL                                        = 240.0 mL…

Q: Dimethyl ether, a useful organic solvent, is prepared in two steps. In the first step, carbon…

A:

Q: A 222.5 mg sample of sucrose (C12H2O11) is combusted in a bomb calorimeter. The temperature of the…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: A 25.0 mL portion of dilute HCl (aq) is combined with a 25.0 mL portion of dilute NaOH in a…

A: Given that : The volume of HCl = 25.0 mL The volume of NaOH = 25.0 mL The initial temperature = 23.3…

Q: A calorimeter contains 35.0 mL of water at 13.0 °C. When 1.80 g of X (a substance with a molar mass…

A: Given,The volume of water = 35.0 mLSo, mass of the water will be = (35.0 mL x 1.0 g/mol) = 35.0 g =…

Q: The thermochemical equation for the combustion of hexane, C6H14(g), is: 2C,H14(g) + 1902(lg) →…

A: During an exothermic reaction, heat is released and the value of the enthalpy of the reaction is…

Q: When a  3.17 gg  sample of solid sodium hydroxide was dissolved in a calorimeter in 100.0 g of…

A: Given: Mass of NaOH dissolved = 3.17 g. Mass of water = 100.0 g  Initial temperature of water = 23.9…

Q: When 200.0 mL of 0.862 M HCI is mixed with 200.0 mL of 0.431 M Ba(OH)2 in a coffee cup calorimeter,…

A:

Q: (a) Combustion of 1 mole of butane gas, C4H10 involves 2874 kJ of heat. (i) Write a thermochemical…

A: Since you have posted multiple questions, we will solve only the first question for you according to…

Q: In walking 1 km, you use about 100 kJ of energy. Thisenergy comes from the oxidation of foods, which…

A: Given  100 kJ energy is used in 1 km walking Energy comes from oxidation of foods is 30% efficient.…

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: Iron has a specific heat capacity of 0.444J/g-C. 50.0 g of iron at 35C is added to 50.0 g of water…

A: Specific heat capacity is defined as the amount of heat required to raise the temperature of 1…

Q: When 40.0 mL of 0.200 M HCI at 21.5°C is added to 40.0 mL of 0.200 M NaOH also at 21.5°C in a…

A: The reaction taking place in calorimeter : HCl(aq)+NaOH(aq)→NaCl(aq)+H2O(I) Volume of HCl=40.ml…

Q: A 3.59°C increase in temperature occurs when a 0.232 g sample of benzoic acid (C7H6O2) is combusted…

A: Heat of combustion if benzoic acid = -26.37 KJ/mol Mass of benzoic acid = 0.232 g Heat releases =…

Q: In a coffee-cup calorimeter, 120.0 mL of 1.4 M  NaOH  and 120.0 mL of 1.4 M HCL  are mixed. Both…

A: Given : Concentration of NaOH = 1.4 M Concentration of HCl = 1.4 M Volume of NaOH solution = 120.0…

Q: When a 6.50 g sample of solid NaOH dissolves in 100.0g of water in a coffee-cup calorimeter, the…

A: Given information: Mass of sample = 6.50 g Mass of water = 100.0 g Initial temperature = 21.6 °C…

Q: The combustion of propane is represented by the following reaction: 50 21g) 3CO2(8) 4H2O(g) 2043 kJ…

A: The balanced reaction taking place is given as, => C3H8 (g) + 5 O2 (g) ---------> 3 CO2 (g) +…

Q: When a 6.50 g sample of solid sodium hydroxide dissolves in 100.0 g of water in a coffee cup…

A: Heat added to the system or Quantity of heat released from the reaction:

Q: 6. The heat of combustion of liquid ethylene glycol, C2H6O2 is -1189.2 kJ/mol. In an experiment 4.34…

A: All the details are explained in handwritten solution.

Q: The combustion of butane, C4H10, is given as: 2C4H10(g) + 1302(g) 8CO2(g) + 10H,O(1), AH° = -5314…

A: Given :-  2C4H10(g) + 13O2(g) →8CO2(g) + 10H2O(g)                                            ∆H =…