3. 0.562 g of graphite is placed in a calorimeter with excess oxygen at 25.00 °C and 1 atm pressure. The graphite is ignited and burns completely to form CO2 as shown below: C (graphite) + O2 → CO2 (g) After the completion of the reaction, the calorimeter temperature rises to 25.90 °C. The heat capacity of the calorimeter is found to be 20.7 kJ/°C. Based on this information calculate the heat of the reaction.

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

A: Given that Xylose (C5H10O5) has    Mass burned, m = 2.365 g      Molar mass M = 150.13 g/mol…

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: Two substances, A and B, initially at different temperatures, come into contact and reach thermal…

A: The weight of substance A is 6.34 g.The initial temperature of substance A is 20.2˚C. The weight of…

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

A:

Q: Acetylene, C2H2, is used in welding torches. It releases a lot of energy when burned in oxygen. One…

A:

Q: One piece of copper jewelry at 105oC has twice the mass of another piece at 45oC. Both are placed in…

A: The heat lost (or) heat gained could given by expression is, q=mc∆T

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: Which statement below regarding heat capacity is FALSE? a. Specific heat capacity refers to the…

A: Specific heat capacity:Specific heat capacity is the amount of heat energy required to raise the…

Q: A piece of chromium metal with a mass of 24.41 g is heated in boiling water to 98.3 °C and then…

A: Specific heat- It is the amount of heat required to raise the temperature of 1g of substance by 10…

Q: Consider the following chemical reaction which produces HCI from its constituent elements: H2 (g) +…

A: The correct option with explanation is provided in the next step:

Q: calorimeter with the heat capacity of 36.50 kJ/C. During the combustion the temperature of the water…

A: Heat capacity(C) = 36.5 kJ/C □T = 3.87 °C Heat (q) = C.□T  = 36.5  × 3.87   = 141.26 KJ

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

A:

Q: Under constant-volume conditions, the heat of combustion of glucose (C6H6O6) is 15.57 kJ/g. A…

A: Solution -

Q: An engineering student wants to study the heat transfer between a 50 g of heated block of iron (cFe…

A:

Q: 2CH;OH (I) + 302 (g) → 2CO2 (g) + 4H2O (I) AH = -1452 kJ A 2.00 g sample of methanol, CH;OH, is…

A: The reaction given is, Given: mass of methanol burned = 2.00 g. Mass of water = 500 g. Heat…

Q: A bomb calorimeter, or constant volume calorimeter, is a device often used to determine the heat of…

A:

Q: Acetylene, C2H2, is a gas used in welding. The molar enthalpy of combustion for acetylene is –2599…

A: Given, Molar enthalpy of combustion = - 2599 kJ Mass of C2H2(g) = 0.338 g Heat Capacity = 5.54 kJ/°C…

Q: Acetylene, C2H2, is a gas used in welding. The heat evolved for the combustion of acetylene is…

A:

Q: A piece of chromium metal with a mass of 24.55 g is heated in boiling water to 98.3 °C and then…

A: Here we are required to find the specific heat capacity of Chromium

Q: The highly exothermic thermite reaction, in which aluminum reduces iron(III) oxide to elemental…

A: The given balanced thermochemical equation is 2Al(s) + Fe2O3(s) → 2Fe(s) + Al2O3(s), ΔH = -850 KJ…

Q: Under constant-volume conditions the heat of combus- tion of glucose (C,H12O6) is 15.57 kJ/g. A…

A: Given: Heat of combustion of glucose = 15.57 KJ/g. Initial temperature of calorimeter = 20.55 oC…

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: oxygen in a bomb calorimeter. The calorimeter, which alone had a heat capacity of 2.67 kJ/oC,…

A: Heat(q) = m.c..□T Using energy conservation,  Heat loss by Acid = Heat gain by water + Calorimeter…

Q: The combustion of methylhydrazine (CH6N2), a liquid rocket fuel, produces N2(g), CO2(g), and…

A: The formula required to calculate the qrxn is shown below,

Q: Two substances, A and B, initially at different temperatures, come into contact and reach thermal…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: A bomb calorimetry experiment is performed with xylose, CSH10OS (s), as the combustible substance.…

A: ,given xylose burned=1.823gmheat capacity of calorimetre=4.728KJ/°Cinitial temperature=23.29°Cfinal…

Q: At constant volume, the heat of combustion of a particular compound is −3623.0 kJ/mol.−3623.0…

A: Calculation of no. of mol of the compound: No. of mol=given massMolar mass=1.071 g142.25…

Q: A 1.231 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of…

A:

Q: When a 0.740-g sample of trinitrotoluene (TNT), C7H5N2O6, is burned in a bomb calorimeter, the…

A:

Q: A bomb calorimetry experiment is performed with xylose, C5H10O5(s) (molar mass = 150.13 g/mol), as…

A:

Q: A 2.885 g sample of methanol, CH3OH, is combusted in a bomb calorimeter. The temperature of the…

A: The mass of methanol is 2.885 g. The increase in temperature is 11.38 K. The molar mass of methanol…

Q: A 3.065 g3.065 g sample of a new organic material is combusted in a bomb calorimeter. The…

A: Mass of sample = m = 3.065 g heat capacity (calorimeter constant) of the calorimeter (C) =  36.51…

Q: A 60.86-g stainless steel ball bearing at 115.81°C is placed in a constant-pressure calorimeter…

A:

Q: A 1.110-g sample of benzoic acid (HC7H5O2; molar mass = 122.12 g/mol) is burned in an excess of…

A: This problem can be solved by using the equation :                             q=mc∆Twhere q is the…

Q: An 8.000 g sample of methane, CH4, was burned in a bomb calorimeter whose total heat capacity is…

A: Answer:- This question is answered by using the simple concept of calorimetry which states that heat…

Q: When 1.0 g of fructose, C,H1206(s), a sugar commonly found in fruits, is burned in oxygen in a bomb…

A: The heat for this combustion is               -15.6 KJ Given, Mass =1.0 g of fructose Temperature…

Q: 8. Titanium reacts with iodine to form titanium (III) iodide, emitting heat. 2Ti(s) + 31,(g)→…

A: Atomic mass of Ti = 47.87 g/mol Atomic mass of I2 = 253.8 g/mol Given thermochemical equation 2Ti(s)…

Q: A 1.27-g sample of fumaric acid (C4H4O4) is burned in a bomb calorimeter and the temperature…

A: Divide the total heat gain by the calorimeter with number of moles of fumaric acid.

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: 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: Under constant-volume conditions, the heat of combustion ofbenzoic acid (C6H5COOH)is 26.38 kJ/g. A…

A: a) We as to find the total heat capacity of the calorimetric    we find the total heat=   mass of…

Q: Five moles of a gas that behaves just like the ideal gas has a molar heat capacity at constant…

A: The change in internal energy ΔE is given by  ΔE = q + w where ΔE = change in internal energy of gas…

Q: A piece of chromium metal with a mass of 24.50 g is heated in boiling water to 98.3 °C and then…

A:

Q: 2.82 g sample of salicylic acid, C7H6O3, is completely burned in a bomb calorimeter and a…

A: In the given question we have to calculate the heat capacity of salicylic acid by the given data.

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

A:

Q: When a 0.740-g sample of trinitrotoluene (TNT), C7H5N2O6, is burned in a bomb calorimeter, the…

A: Given data: Mass of trinitrotoluene, m is 0.740 g Initial temperature, Tinitial  is23.4oC Final…

Q: CH,„O6 (s) + 60, (g) → 6CO, (g) + 6H,0(g) a. The combustion of glucose was performed in a bomb…

A: Heat capacity Ccal = 2.273 kJmolChange in temperature ∆T = 28.49 °CNumber of moles of glucose =…

Q: A sample of nickel is heated to 99.8 0 C and placed in a coffee cup calorimeter containing 150.0 g…

A: Specific heat capacity of nickel = 0.0444 J g-1 K-1 Specific heat capacity of water = 4.18 J g-1 K-1…

Q: A 4.117-g impure sample of glucose (C6 H12 O6 ) was burned in a constant-volume calorimeter having a…

A: Given: Mass of impure sample of glucose = 4.117g Heat capacity = 19.65 kJ/°C Rise in temperature =…