A chemical engineer studying the properties of fuels placed 1.440 g of a hydrocarbon in the bomb of a calorimeter and filled it with O2 gas. The bomb was immersed in 2.550 L of water and the reaction initiated. The water temperature rose from 20.00°C to 23.55°C. If the calorimeter (excluding the water) had a heat capacity of 403 J/K, what was the heat of reaction for combustion (qy) per gram of the fuel? (d for water = 1.00 g/mL; c for water = 4.184 J/g.°C.) Enter your answer in scientific notation x 101 J/g 2.7

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: THERMODYNAMICS: A 1.61 g sample of acetic acid (HC2H302) was burned in excess oxygen in a bomb…

A:

Q: In a coffee cup calorimeter, a student adds 2.50 g of calcium, followed by addition of 50.0 mL of…

A: Since the temperature change in positive, heat is absorbed by the solution and released by the…

Q: The heat of combustion of octane, C8H18, can be measured in a way similar to the method you used to…

A: In case of a calorimeter we can relate the heat change of a system to the product of the mass of the…

Q: The combustion of 1.00 mol of glucose (C6H12O6) liberates 2820 kJ of heat. If 1.14 g of glucose is…

A: Mass of glucose = 1.14 g Molar mass of glucose = 180 g/mol Mass of water = 744 g Temperature change…

Q: THERMODYNAMICS: A 1.09 g sample of acetic acid (HC2H302) was burned in excess oxygen in a bomb…

A: Mass of acetic acid = 1.09 g ∆T = 27.95 - 24.3 = 3.65 oC

Q: A water bath is used to heat flammable chemicals in the laboratory while avoiding the risk of…

A: Heat is transferred from the higher temperature to lower temperature is called as the thermal energy…

Q: If 500 grams of solid iron (Fe) at 100oC is placed in a calorimeter filled with 1000.0 grams of…

A: Given that: Mass of iron (Fe) = 500g Initial Temperature of Fe = 100°C Mass of water = 1000g Initial…

Q: THERMODYNAMICS: A 1.09 g sample of acetic acid (HC2H302) was burned in excess oxygen in a bomb…

A: Heat absorbed by water  = mass × specific heat capacity × Temperature change  Heat absorbed by…

Q: KBr dissociates in water according to the following equations: KBr(s) --> K+(aq) +Br-(aq) a) 10.5g…

A:

Q: When 50.0 mL of 1.27 M of HCI(aq) is combined with 50.0 mL of 1.32 M of NaOH(aq) in a coffee-cup…

A: As temperature of the solution increases, thus heat is generated during this process.  Thus enthalpy…

Q: Insoluble Li₂ CO3(s) precipitates when solutions of Na2CO3(aq) and LiCl(aq) are mixed. Na2CO3(aq) +…

A:

Q: aq) with 25.00 mL of 2.56 M HCl(aq). If the temperature changed from 25.0 Degree C to 38.4 degree C,…

A: Introduction Generally the heat released in the reaction is absorbed by the solution and raises the…

Q: THERMODYNAMICS: The combustion of 1.00 mol of glucose (C6H1206) liberates 2820 kJ of heat. If 1.7 g…

A:

Q: A student performs a calorimetry experiment. The student combines 100. g of 0.40 M HC1(aq) with 100.…

A: Heat absorbed by the particular species = mass × heat capacity × temperature change

Q: The enthalpy for combustion for propanol is -2021 kJ/mole and occurs via the following balanced…

A: Given that: enthalpy of propanol = -2021 kJ/mole mass of ethanol = 0.601 g = 0.000601 kg Cbomb=12.1…

Q: What is the heat of a reaction, in joules, with a total reaction mixture volume of 57.5 mL if the…

A: Density of the mixture = 1 g/ml Volume of the mixture = 57.5 ml Mass of the mixture = Density of the…

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: combustion of 1.00 mol of glucose (C6H12O6) liberates 2820 kJ of heat. If 1.17 g of glucose is…

A:

Q: When 0.692 g of glucose, C6H12O6, is burned in a constant volume calorimeter containing 575 g of…

A:

Q: Under constant-volume conditions, the heat of combustion of benzoic acid is 26.38 KJ/g. A 2.760-g…

A: The change in temperature,∆T is calculated below.

Q: An aluminum saucepan weighing 750 g contains 500 g of water at 25 ° C. In this water, you boil 10 g…

A: Solution - According to the question - Given - steam is bubbled into the water in the aluminum pan,…

Q: Methanol, CH3OH, is a possible fuel for automobiles. Energy is evolved in its combustion with…

A:

Q: When 23.6 g of calcium chloride, was dissolved in water in a constant-pressure calorimeter, the…

A: Given, Mass of CaCl2 = 23.6 g Initial temperature, Ti = 25.0 oC Final temperature, Tf = 38.7 oC Heat…

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: THERMODYNAMICS: A 1.1 g sample of acetic acid (HC2H302) was burned in excess oxygen in a bomb…

A:

Q: 1- an analysis of the energy released in the combustion of natural gas methane ch4 was carried out…

A: The formula required to determine the heat of combustion of methane is q=Cv∆T.

Q: THERMODYNAMICS: The combustion of 1.00 mol of glucose (C6H1206) liberates 2820 kJ of heat. If 1.75 g…

A:

Q: THERMODYNAMICS: A 1.66 g sample of acetic acid (HC2H302) was burned in excess oxygen in a bomb…

A: Mass of acetic acid = 1.66 g Molar mass of Acetic acid = 60g/mol Temperature change = 4.56°C Heat…

Q: A house is designed to have passive solar energy features, brickwork incorporated into the interior…

A: Gallons of water have to be converted to litre:

Q: The temperature inside a sauna is 85.0°C. If 235.0g of solft drink straight from refrigerator…

A: 1- First we need to determine the change in temperature ( ∆T ) and mass in kg unit :  mass = 235.0g…

Q: The heat of neutralization between an acid and a base was detemined using a coffee cup calorimeter…

A:

Q: 3. A 1.00-g sample of hexane, C6H14, undergoes complete combustion with excess O2 in a bomb…

A:

Q: The heat of combustion of octane, C8H18 , can be measured in a way similar to the method you used to…

A: Heat capacity is given by,

Q: An experiment is carried out where 12.2g of NaOH is dissolved in 240.0g of water in a coffee cup…

A: The experiment is the measurement of heat of dissolution of NaOH.

Q: A gas expands and does P-V work on the surroundings equal to 284 J. At the same time, it absorbs 201…

A: Given  Work done by the system on surrounding = 284 Joule  Heat absorb                  = 201 Joule…

Q: A quantity of 2.314 g of naphthalene (MM = 128 g/mol), a pungent-smelling substance used in moth…

A: Given: Heat capacity of bomb = 5.170 KJ/oC = 5170 J/oC                             (Since 1 KJ =…

Q: A certain two-stepP process involves transfer of heat and work between the system and the…

A: From first law of thermodynamics, we have : ∆E = q + w  where ,∆E = change in internal energy.   If…

Q: THERMODYNAMICS: The combustion of 1.00 mol of glucose (C6H12O6) liberates 2820 kJ of heat. If 1.75 g…

A:

Q: student mixed 50.0 mL of water containing 0.010 moles of HCI (weighing 50.0 g) with 60.0 mL of water…

A: Initial temperature = 25°C  Final temperature = 26.20°C Change in temperature = 26.20 - 25 = 1.20°C

Q: When 23.6 g of calcium chloride, CaCl2, was dissolved in water in a coffee cup calorimeter, the…

A: The heat change of solution and enthalpy change of calcium chloride will be equal in magnitude.…

Q: What is the heat, q, in joules transferred by a chemical reaction to the reservoir of a calorimeter…

A: In order to find the amount of heat transferred we first write down the given data: Mass= 105 g. c=…

Q: When the Cacl2(s) is added to water, the following reaction occurs. Cacl,(s) → Ca2"(aq) + 2CI¬(aq)…

A: The specific heat is the amount of thermal energy given to a sample of 1g to increase the…

Q: You want to determine the heat capacity of an unknown metal sample in order to help identify it. To…

A: A numerical problem based on heat capacity of an unknown metal, which is to be accomplished.

Q: When octane, C3H18, undergoes combustion the following reaction occurs: --C8 H8 + -O2 → _CO2 +…

A: Here mass of water is 700g because as we know density of water is 1g/ml.

Q: THERMODYNAMICS: A 1.09 g sample of acetic acid (HC2H302) was burned in excess oxygen in a bomb…

A:

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

Q: When 100 mL of 0.200 M NaCl(aq) and 100 mL of 0.200 M AgNO3(aq), both at 21.9 °C, are mixed in a…

A: Given that  Initial temperature = 21.9 °C Final temperature = 23.5 °C To calculate the amount of…