Under constant-volume conditions, the heat of combustion ofbenzoic acid (C6H5COOH)is 26.38 kJ/g. A 2.760-g sample ofbenzoic acid is burned in a bomb calorimeter. The temperatureof the calorimeter increases from 21.60 to 29.93 °C. (a) What isthe total heat capacity of the calorimeter? (b) A 1.440-g sampleof a new organic substance is combusted in the same calorimeter.The temperature of the calorimeter increases from 22.14 to27.09 °C. What is the heat of combustion per gram of the newsubstance? (c) Suppose that in changing samples, a portionof the water in the calorimeter were lost. In what way, if any,would this change the heat capacity of the calorimeter?

Q: In an insulated bomb calorimeter, 0.568 g of solid citric acid (C6H8O7, molar mass 192.12 g) was…

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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 enthealpy óf coI (C6H5COOH) which is often used to calibrate calorimeters, is-3227 k.J/mol. When…

A: Given, Enthalpy of combustion(∆H) =-3227 kJ/mol Mass of benzoic acid =1.092 g Moles of benzoic acid…

Q: Suppose you need to calibrate a calorimeter. You burn 0.763 g of a fuel with an enthalpy of…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.65 kg sample…

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Q: A 4.00-g sample of rocket fuel was combusted in a bomb calorimeter according to the following…

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Q: A sample of nickel is heated to 99.8C and placed in a coffee-cup calorimeter containing 150.0 g…

A: Heat change in a body is depends on the mass and temperature change of the body. heat change = mass…

Q: A 30.14-g stainless steel ball bearing at 117.82°C is placed in a constant-pressure calorimeter…

A: In this process, the heat absorbed by the water is equal to heat release by the stainless steel…

Q: When 20 g. of Aluminium is heated from 90oC to 115oC, 105 calories is required. What is the molar…

A: The molar heat capacity of aluminium is 5.6658 cal/mol°C.

Q: When 15.3 g of sodium nitrate, NaNO, (85 g/mol), was dissolved in water in a constant-pressure…

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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…

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

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Q: When a 3.91 g sample of solid sodium hydroxide was dissolved in a calorimeter in 110.0 g  of water,…

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Q: 1.45 grams sample of acetic acid, HC2H3O was burned in excess oxygen in a bomb calorimeter. The…

A: moles of acetic acid = 1.45 g / 60.05 g mol-1 =0.02414 mol heat released is equal = q1 heat absorbed…

Q: The combustion of hydrogen-oxygen mixtures is used to produce very high temperatures (ca. 2500 °C)…

A: In the given question we have to calculate the quantity of heat evolved in kilojoules when equal…

Q: In an insulated bomb calorimeter, 0.568 g of solid citric acid (C6H&O7, molar mass 192.12 g) was…

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Q: A 35.6 g sample of an organic compound (molar mass 46.07 g/mol) was combusted in a bomb calorimeter.…

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Q: 2. Calculate the molar heat capacity of rhodium, in J/mol.°C, given a specific heat of 0.244…

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Q: 9. The evaporation of water is endothermic: H2O (1) → H2O (g) AH°rxn = 44.01 kJ/mol What minimum…

A: H°rxn = 44.01 kJ / mol

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: 2. a quantity of 1.435 g of naphthalene (C10H8), a pungent-smelling substance used in moth…

A: Given , mass of napthalene = 1.435 g Change in temperature, ∆T = (25.84 - 20.17)°C=5.67°C Mass of…

Q: When 2.0 g of CaO is added to 50.0 mL of water at 25.0 °C in a calorimeter, the temperature of the…

A: The reaction taking place is given as, => CaO (s) + H2O (l) --------> Ca(OH)2 (aq) Given :…

Q: In an insulated bomb calorimeter, 0.568 g of solid citric acid (C6H8O7, molar mass 192.12 g) was…

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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: 2. The reaction of hydrochloric acid, HCl and sodium hydroxide, NaOH in water is an exothermic…

A: Given, Volume of HCl & NaOH solution = 50.0 mL Concentration of HCl & NaOH solution = 1.00 M…

Q: A sample of nickel is heated to 99.8°C and placed in a coffee-cup calorimeter containing 150.0 g…

A: The equation used to calculate heat released or absorbed follows:        ......(1) where, q = heat…

Q: Under constant-volume conditions, the heat of combustionof glucose (C6H12O6) is 15.57 kJ/g. A…

A: (a) Here given as, the heat of combustion of glucose (C6H12O6), q= 15.57 kJ/g. Mass of glucose that…

Q: 1.22 g sample of acetic acid (HC2H3O2) was burned in excess oxygen in a bomb calorimeter. The…

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Q: A 1.66 g sample of acetic acid (HC2H3O2) was burned in excess oxygen in a bomb calorimeter. The…

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Q: At constant volume, the heat of combustion of a particular compound is -3863 kJ/mol. When 1.163 g of…

A: Heat capacity is the amount of heat required to raise the temperature of a substance by 1 degree…

Q: Under constant-volume conditions, the heat of combustionof glucose 1C6H12O62 is 15.57 kJ>g. A…

A: The total heat capacity of a calorimeter is obtained by burning a known weight of a substance of…

Q: A 2.011 g sample of an organic substance (MM = 342.3 g/mol) is burned in a bomb calorimeter, the…

A: given mass = 2.011 h molar mass = 342.3 g/mol initial temperature = 24.14°C final temperature =…

Q: The combustion of benzoic acid, C7H6O2, can be used to determine the heat capacity of a bomb…

A: The heat capacity of the calorimeter-water is 3.36 KJ/°c  Below attached file showing the details…

Q: When 1.000 g of olive oil is completely burned in pure oxygen in a bomb calorimeter, the temperature…

A: The values are given as follows:

Q: In a constant-volume calorimeter containing 1500.0 mL of water, a 143.9-gram piece of iron (Fe) rod…

A: Given: Volume of water = 1500.0 mL  Mass of iron = 143.9 g. Initial temperature of water = 17.11 oC…

Q: A 0.600 g sample of tristearin (C57H11O6), a common fat, is combusted in a bomb calorimeter…

A: Given: Mass of C57H11O6 = 0.600 g. Mass of water = 750.0 g. Heat capacity of calorimeter = 326 J/K.…

Q: The combustion of benzoic acid, C7H602, can be used to determine the heat capacity of a bomb…

A: Given heat evolved per mole of benzoic acid combustion= 3.09×103kJ . WWhich means that heat evolved…

Q: at 6.49) When a 2.150-g sample of glucose, C,H12O6, is burned in a bomb calorimeter with a heat…

A: In this question, we want to determine the ∆E for the combustion of of Glucose. You can see details…

Q: 6. When a 3.80 g sample of liquid octane (C;H18) burns in a bomb calorimeter, the temperature of the…

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Q: When 50.0 mL of 1.24 M of HCI(aq) is combined with 50.0 mL of 1.32 M of NaOH(aq) in a coffee-cup…

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Q: Iron has a molar heat capacity of 25.1 J/mol oC. What is the change in heat (q) if a 20.0g piece of…

A: molar heat capacity of iron=25.1 J/mol °c Mass of iron = m = 20.0 g Temperature change (∆T) = 80 °c…

Q: Under constant-volume conditions, the heat of combustion ofbenzoic acid 1C6H5COOH2 is 26.38 kJ>g.…

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Q: A 0.692 g sample of glucose (C6H12O6) is burned in a bomb calorimeter. The temperature of 575g of…

A: Given mass of glucose is 0.692 g. Given mass of water is 575 g, specific heat of water is 4.184…

Q: In a calorimetric experiment, 6.48 g of lithium hydroxide, LiOH, was dissolved in water. The…

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Q: The combustion of titanium with oxygen produces titanium(IV) oxide: Ti(s)+O2(g)→TiO2(g) When 2.060…

A: Mass of titanium = 2.06 g Change in temperature of calorimeter (∆T) = 91.60 – 25.00 = 66.60oC Heat…

Q: [2] When 1.045 g of CaO is added to 50.0 ml of water at 22.0 °C in a coffee-cup calorimeter, the…

A: Heat release during reaction = heat gain by water and calorimeter.

Q: The heat of combust ion of ethanol, C2H5OH(l), is-1367 kJ/mol. A batch of Sauvignon Blanc wine…

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Q: A 50 ml solution of 1.2M HCl at 24.1OC is mixed with 50 ml of 1.2M NaOH, also at 24.1oC, in a…

A: Given data Neutralization reaction :    NaOH(aq)   +   HCl(aq)   →    NaCl(aq)    +   H2O(l) Volume…

Q: The temperature of 127.4 g of water rises from 18.6 °C to 30.9 °C when 0.1000 mol of H+ is reacted…

A: Mass of water, m =127.4 g Initial temperature, T1=18.6 °C Final temperature, T2=30.9 °C Temperature…

Q: The combustion of 1.00 mole of glucose. C8H12O6, liberates 1.90 x 10³ KJ of heat. If 2.30g of…

A: 1 mole of glucose liberates 1.90 × 103 KJ. Moles of glucose burned = n=2.30g180.156 g/mol=0.12767…