Chemist place 348 mg of 2-propanol (C:Hs0) and a sufficient amount of H2SO4 into a bomb calorimeter with 165ml of water at 25°C. The chemist react the two substances and record the water temperature as 58.3°C. What is the enthalpy of the reaction of 2-propanol and H2SO4 in KJ/mols? Assume there is one mole of 2-propanol in the balanced reaction. Is this reaction exothermic or endothermic?

Q: Chemist place 265 mg of 2-propanol (C3H30) and a sufficient amount of H2SO4 into a bomb calorimeter…

A: Given Mass of 2- propanol = 265 mg = 265 * 10-3 gMolar mass of 2- propanol = 60.1 g/moleMoles of 2-…

Q: A 1.45 g sample of acetic acid , HC2H3O2 was burned in excess oxygen in a bomb calorimeter. The…

A: We have to predict the heat of combustion.

Q: Cyclohexanol, C6H12O (100.2 g/mol), has a heat of combustion, ΔHcomb = -3.727 × 103 kJ/mol. 0.535 g…

A: Combustion of cyclohexanol:

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: enthalpy of dissolution, ∆Hdissolution = mass (m) ×specific heat capacity(s) ×temperature change…

Q: Mothballs are composed primarily of the hydrocarbon naphthalene (C10H8). When 1.025 g of naphthalene…

A: Given data,Mass of naphthalene=1.025gInitial temperature=24.25oCFinal…

Q: Mothballs are composed primarily of the hydrocarbon naphthalene (C10H8C10H8). When 1.349 g of…

A:

Q: 2. A complete combustion reaction occurs between 37.5 g of C4H10, butane gas and oxygen gas and…

A:

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: (References] In a coffee-cup calorimeter, 130.0 mL of 1.2 M NaOH and 130.0 mL of 1.2 M HCl are…

A: Heat of reaction is defined as difference of energy of product  and energy of Reactant. If heat of…

Q: In a coffee-cup calorimeter, 140.0 mL of 1.3 M  NaOH and 140.0 mL of 1.3 M  HCl are mixed. Both…

A: In this whole process, the heat given out by the reaction is gained by the solution and as a result,…

Q: When 0.25 g of the organic compound naphthalene are burned in a bomb calorimeter, the temperature of…

A: Given: Mass of naphthalene burned = 0.25 g. Initial temperature of calorimeter = 24.00 oC Final…

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: When 0.7521 g of benzoic acid was burned in a calorimeter containing 1,000. g of water, a…

A:

Q: 5. Liquid hydrazine, N2H4 is a rocket fuel. It combusts in oxygen gas to form nitrogen gas and…

A: The given equations are : 2NH3(g)+3N2O(g)→4N2(g)+3H2O(l)      ∆H=-1010 kJ         (i)…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Mass of ammonium bromide = 7.86 g  Mass of water = 118.0 g

Q: You place 15.1 ml of 0.231 M Ba(OH)2 in a coffee-cup calorimeter at 25.00°C and add 59.6 ml of 0.536…

A: The balanced equation is   2 HCl (aq) + Ba(OH)2 (aq) ------> BaCl2 (aq) + 2 H2O (l) Since the…

Q: In a coffee-cup calorimeter, 140.0 mL of 1.2 M NaOH and 140.0 ml of 1.2 M HCI are mixed. Both…

A:

Q: In a coffee-cup calorimeter, 110.0 mL of 1.2 M NaOH  and 110.0 mL of 1.2 M HCl are mixed. Both…

A: The temperature change (ΔT) is given, Mass of the resulting solution is calculated.

Q: A common laboratory reaction is the neutralization of an acid with a base. When 17.5 mL of 0.500 M…

A:

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: [References) In a coffee-cup calorimeter, 110.0 mL of 1.3 M NAOH and 110.0 mL of 1.3 M HCl are…

A: Total volume of the solution = 110.0 mL + 110.0 mL = 220mL Density of the solution = 1.0 g/cm3 =…

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

A:

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Heat of dissolution :-          The enthalpy of solution, enthalpy of dissolution, heat of…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Mass of CaCl2 dissolved = 2.02 gmass of water = 114 g = MInitial temperature of water = 23.70°CFinal…

Q: A bomb calorimetry experiment is performed with xylose, C₅H₁₀O₅ (s), as the combustible substance.…

A: Mass of xylose burned = 2.365 g  initial calorimeter temperature = 23.29 degree centigrade  final…

Q: the complete combustion of methane, CH4(g), to form H2O(l) and CO2(g)at constant pressure releases…

A: Hello. Since more than one question has been posted, the first question shall only be answered in…

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

A:

Q: In a coffee-cup calorimeter, 130.0 mL of 1.0 M  NaOH and 130.0 mL of 1.0 M  HCI are mixed. Both…

A: Q = m . s . (T2 - T1) DeltaH = Q/Number of mols of HCl or NaOH

Q: The heat of combustion of methanol is -715 kJ/mol.  When 0.07 mol of methanol are burned in a bomb…

A: Use formula =Q= nc∆T  C= 1174.055kj/kg

Q: 1.87 g sample of acetic acid (HC2H3O2) was burned in excess oxygen in a bomb calorimeter. The…

A: Mass of acetic acid = 1.87g Molar mass of Acetic acid = 60g/mol Heat capacity of calorimeter =…

Q: In a coffee-cup calorimeter, 110.0 mL of 1.1 M NaOH and 110.0 mL of 1.1 M HCl are mixed. Both…

A:

Q: In a coffee-cup calorimeter, 100.0 mL of 1.1 M  NaOH and 100.0 mL of 1.1 M  HCL are mixed. Both…

A: Principle: Enthalpy change of neutralization is the amount of heat absorbed or released by the…

Q: In a coffee-cup calorimeter, 110.0 mL of 1.3 M and 110.0 mL of 1.3 M are mixed. Both solutions were…

A:

Q: A 1.00-g sample of hexane, C6H14, undergoes complete combustion with excess O2 in  a bomb…

A: Answer: Bomb calorimeter is a constant volume calorimeter, therefore enthalpy change calculated in…

Q: In a coffee-cup calorimeter, 130.0 mL of 1.1 M  NaOH and 130.0 mL of 1.1 M  HCl are mixed. Both…

A: Find total volume then find total mass  And use Q=mcdltaT

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: coffee-cup calorimeter, 100.0 mL of 1.1 M    NaOH and 100.0 mL of 1.1 M   HCI are mixed. Both…

A:

Q: In a coffee-cup calorimeter, 140.0 mL of 1.4 M NAOH and 140.0 mL of 1.4 M HCİ are mixed. Both…

A:

Q: 4. A 1.00-g sample of octane (C3H18) was burned in a bomb calorimeter with 1300 g of water (H20).…

A:

Q: 5. In a calorimeter, 250 mL of 0.180 mol/L barium chloride is mixed with 150 mL of 0.200mol/L sodium…

A: First  we would calculate heat evolved 8n this reaction by using formula : q = m × C × ∆T  Then to…

Q: A. Find ΔrU  for the combustion of naphthalene. The heat capacity of the calorimeter, determined in…

A: A mole of substance weighs its molar mass  Moles = mass taken/molar mass Molar mass of naphthalene=…

Q: The combustion of 1.663 g of fructose, C,H,0,(s), in a bomb calorimeter with a heat capacity of 5.50…

A: Given: mass of fructose = 1.663 g heat capacity of calorimeter = 5.50 kJ/oC Initial temperature =…

Q: What is the molar heat of combustion of butane, C4H10, if combustion of 2.00 g of butane causes a…

A:

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: Combustion of 3.50 g of ethanol, C2H5OH(l), in a 100.0 g calorimeter with a heat capacity of 152…

A: Molar enthalpy of combustion of a substance, ∆Hc can be defined as the heat liberated when 1 mole of…

Q: 4. A 1.00-g sample of octane (C3H18) was burned in a bomb calorimeter with 1300 g of water (H20).…

A:

Q: In a coffee-cup calorimeter, 110.0 mL of 1.3 M and 110.0 mL of 1.3 M are mixed. Both solutions were…

A:

Q: Nitroglycerine combustion takes place in a bomb calorimeter that is insulated by 731.8 grams of…

A: Each chemical reaction is associated with a certain amount of energy. When the heat is liberated…