9. When 0.625 grams of ethanol (C,H,OH) undergoes a bomb calorimeter attaining temperature difference of 2.8°C. Find the heat of the reaction for the combustion of the ethanol in kJ/mol. The combustion in a heat capacity of the calorimeter is found to be 5.17 kJ/°C.

Q: A 2.817 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of…

A: Given, Mass of sample = 2.817 g Temperature increases from 23.97◦C to 29.14◦C Heat capacity of…

Q: When a 4.25-g sample of solid sodium nitrate dissolves in 50.0 g of water in a coffee-cup…

A: The mass of sodium nitrate is = 4.25 g The mass of water is = 50.0 g The mass of solution is =…

Q: 519.21 g of a cold water bath is at 26.55 ^\circ∘C. A sample of a hot metal is placed into the water…

A: Mass of water = M = 519.21 g  Initial temperature of water Ti = 26.55 °C  Final temperature of water…

Q: An experiment is carried out where 10.9 g of solid NaOH is dissolved in 230.0 g of water in a…

A: Here solid NaOH is the solute and water is the solvent. Given the mass of solute, NaOH(s) dissolved…

Q: A 45.90 g sample of pure copper is heated in a test tube to 99.40°C. The copper sample is then…

A: We have 45.9 g of Cu metal at 99.4°C, also, 61.04 g of water , temperature of calorimeter…

Q: 2.164 g sample of an organic substance (MM = 180.16 g/mol) is burned in a bomb calorimeter, the heat…

A: Solution - According to the question - Given value  - cp = 4.313kj/°C weight of substance = 2.164 g…

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

A: Given: Mass of CoSO4(s) = 3.09 g Mass of water = 116.70 g Initial temperature of solution (Ti) =…

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

A: Given: mass of CuSO4 = 3.32 g mass of H2O = 113.60 g Temperature change from 23.47 to 26.70 °C heat…

Q: Zinc metal reacts with HCl according to the balanced equation: Zn + 2HCl à ZnCl2 + H2 When 0.103 g…

A:

Q: 28.0g of a substance with a molecular weight of 52.0 g/mol is placed in a bomb2 calorimeter with a…

A:

Q: A 2.200-g sample of quinone (C6H4O2) is burned in a bomb calorimeter whose total heat capacity is…

A:

Q: A 3.257 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

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

A: Mass of CuCl2 = 4.07 g   mass of water = 109.30 g  Hence, mass of solution m = (4.07 g) + (109.30 g…

Q: Hydrocarbons, compounds containing only carbon and hydrogen, are important in fuels. The combustion…

A: Hi, as you have posted 2 questions and have not mentioned which question we have to solve. Hence we…

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

A: For calculation of enthalpy of dissolution ∆Hdissolution , we use Following formulas - (A)Q = m c ∆T…

Q: CaO(s) reacts with water to form Ca(OH)2(aq). If 6.66 g CaO is combined with 99.84 g H2O in a coffee…

A: Given data,Mass of CaO=6.66gMass of water=99.84gInitial temperature=20oCFinal…

Q: Hydrocarbons, compounds containing only carbon and hydrogen, are important in fuels. The combustion…

A: Given, the enthalpy of combustion of cyclobutane C4H8 is 2.721×103 kJmol i.e. ∆H =-2.721×103 kJmol ;…

Q: A 2.200-g sample of quinone (C,H4O2) is burned in a bomb calorimeter whose total heat capacity is…

A: Given: mass of quinone = 2.2 g molar mass of quinone = 108.09 g/mol heat capacity of quinone = 7.854…

Q: A coffee cup calorimeter contains water at an initial temperature of 20°C and is calculated to have…

A: A coffee cup calorimeter contains water at initial temperature of 20°C and  Given data is: Initial…

Q: An 131 g piece of metal whose T = 83.8 oC is placed in a coffee cup calorimeter containing 216 g…

A:

Q: A coffee-cup calorimeter contains 50.0 g of water at 60.51°C. A 12.4 g piece of graphite at 24.21°C…

A:

Q: A 4.42-g sample of Colorado oil shale is completely burned in a bomb calorimeter, which causes the…

A: A particular amount of the sample is burned in the calorie meter and heat of combustion is…

Q: A 1.96 g sample of titanium was burned in a bomb calorimeter. The bomb calorimeter has a heat…

A: The solution is as follows :

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

A: The amount of heat lost or gained by a substance depends in the specific heat capacity of the…

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: A student is attempting to determine the heat capacity of a Styrofoam cup calorimeter by pouring hot…

A: Given: Mass of cold water = 22.11 g Mass of hot water = 24.49 g Initial temperature of hot water =…

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

A: Since the temperature of the solution is increased, heat is released by the dissolution reaction of…

Q: Your favorite snack undoubtedly has a nutrition label that indicates the total number of calories…

A:

Q: 1. What mass of methane (CH4) must be burned to release 185 kJ of heat?        CH4(g) + 2O2(g)…

A: Molar mass of CH4 = 1 * atomic mass of C + 4 * atomic mass of H = (1 * 12 + 4 * 1) g/mole = 16…

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

A: The heat released due to the dissolution of the solid CoSO4 will be used by the solution and…

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: Two portions of 50.0 g of water, at 13.0 and 54.0 °C, respectively, were mixed inside a cup…

A: we have to tell which option is correct

Q: A 1.107-g sample of benzoic acid (HC;H;O:) is burned in an excess of O:(g) in a bomb calorimeter,…

A:

Q: In an experiment, 30.0 g of metal is heated to 98.0°C and then quickly transferred to 50.0 g of…

A: The weight of metal is 30.0 g. The initial temperature of metal is 98.0˚C.   The weight of water is…

Q: 31. When a 0.740-g sample of trinitrotoluene (TNT), C,H;N2O6, is burned in a bomb calorimeter, the…

A: We know that : Heat capacity, C = specific heat, c*mass, m  Or, specific heat, c = C/m = 534/675…

Q: A 4.1-g sample of Colorado oil shale is burned in a bomb calorimeter, which causes the temperature…

A:

Q: Titanium reacts with iodine to form titanium(III) iodide, emitting heat:2 Ti(s) + 3 I2(g)…

A: From the given chemical equation and data it is clear that  839 KJ energy is released from two moles…

Q: 15. When 0.0451 mol of an unknown hydrocarbon is burned in a bomb calorimeter, the calorimeter…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: When 10.99 g KOH is dissolved in 101.9 g of water in a coffee-cup calorimeter, the temperature rises…

A: When definite amount of substance in any reaction transforms into products, release or absorption of…

Q: The heat of the solution of ammonium nitrate is 26.2 kJ/mol. If a 5.368 g sample of NH₄NO₃ is added…

A: Heat of the solution of ammonium nitrate = 26.2 kJ/mol Mass of ammonium nitrate = 5.368 g Volume of…

Q: A 29.00 g sample of metal alloy is heated to 92.6 °C; then placed in 55.23 g of water in an…

A:

Q: A 1.655 g1.655 g sample of a new organic material is combusted in a bomb calorimeter. The…

A:

Q: A 3.915 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of…

A: To solve this problem first we find the total heat produced by the burning of the organic compound…

Q: temperature of the calorimeter increases from 22.14°C to 26.82°C. What is the heat of combustion per…

A: #(a): Given: Initial temperature of the calorimeter, Ti = 22.25 oC  Final temperature of the…

Q: 9) a) A 2.200-g sample of quinone (C,H¿O2) is burned in a bomb calorimeter whose total heat capacity…

A: Dear student, As per our guidelines, we are supposed to only one question. Kindly repost the other…

Q: 4. A 50.0 mL solution of 1.2 M HCI at 24.1°C is mixed with 50.0 mL of 1.3 M NaOH, also at 24.1°C, in…

A:

Q: If 30.0 g H20 at 85.0°C is mixed in a coffee-cup calorimeter with 15.0 g H20 at 20.0°C, what is the…

A: Heat produced or absorbed by water = mass of water x specific heat of water x temperature difference

Q: When a 0.740-g sample of trinitrotoluene (TNT), C,H,N‚O§, is burned in a bomb calorimeter, the…

A: Mass given = 0.740 g  Heat capacity = 3.35 KJ°C-  Initial Temperature = 23.4 °C  Final temperature =…