the difference between changes in enthalpy and internal energy for the explosion of trinitrotoluene, TNT, at 25 degrees Celsius producing carbon dioxide gas and water vapor will be _____ Joules

Q: A 75.0 gram piece of titanium is heated to a temperature of 98.40ºC. The metal is then dropped into…

A: Write the expression of heat change due to the change in temperature. ∆H=ms∆t Where ∆H is the heat…

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: A scientist measures the standard enthalpy change for the following reaction to be 316.2 kJ : H2S(g)…

A:

Q: A sample of gas in a cylinder with a free-floating piston for a lid is heated. The gas gains 107 J…

A: given heat (q) = 107 J work done (w) = 23 J

Q: An electrical heater is used to supply 210.0 J of energy to a 15.0 g sample of water, originally at…

A: Given:Heat energy (Q) = 210.0 J.Mass of water (m) = 15.0 g.Initial temperature of water = 295…

Q: In winter, an electric heater uses a certain amount of electrical energy to heat a room to 20oC. In…

A: The change in internal energy of heater has to be predicted and explained.

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

A:

Q: Enter your answer in the provided box. A 34.51-g stainless steel ball bearing at l15.81°C is placed…

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

Q: Suppose that the molar enthalpy of a reaction is 76.56 kJ/mol and 5.34 grams of X (MW = 44.77)…

A: Molar enthalpy = 76.56 KJ/mol Mass = 5.34 g Molar mass = 44.77 g/mol Heat consumed in reaction = ?

Q: 3. We all know that the hood of a car gets extremely hot in the summertime when a bright sun is…

A: Mass of iron (m) = 22.8 × 0.4536 = 10.3421 kg or 10342.1 g Specific heat capacity of iron (s) = 0.45…

Q: Camphor (C10H16O) has an energy of combustion of -5903.6 kJ/mol. When a sample of camphor with mass…

A:

Q: A piece of metal at 20°C that weighs 60.0 g is dropped into 200. g of water at 100°C. The specific…

A:

Q: Calculate the change in internal energy of a gas that absorbs 155 J of heat and then expands from an…

A: If heat is released by the system, then the value of q will be negative. If heat is absorbed by the…

Q: Chaeyoung wants to study the heat transfer between a 50 g of heated block of iron (cFe = 0.449 J/g…

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: 5.38 A 0.1375-g sample of solid magnesium is burned ina constant-volume bomb calorimeter that has a…

A: The given data contains, mass = 0.1375 g. Heat capacity = 3024 J/°C Temperature=1.126°C

Q: 1. Ethanol weighing 3.56 g is burned in a constant-volume bomb calorimeter. Consequently, the…

A: Heat released by 3.56 g ethanol at constant volume , ∆E = C∆T…

Q: A piece of metal with a mass of 22.9 at 122.8oC is placed in a styrofoam cup containing 35.0 g of…

A:

Q: Use standard enthalpies of formation to calculate the standard change in enthalpy for the melting of…

A:

Q: The explosive nitroglycerin (C3H5N3O9) decomposes rapidly upon ignition or sudden impact according…

A: Welcome to bartleby ! Introduction :  We have to calculate enthalpy of formation of  C3H5N3O9(l)

Q: A piece of metal of mass 18.0g at 100 degrees Celsius is placed in a calorimeter containing 50.2…

A:

Q: Use standard enthalpies of formation to calculate the standardchange in enthalpy for the melting of…

A: The standard enthalpy of formation of H2O (l) = - 285.8 kJ/mol The standard enthalpy of formation of…

Q: Ethanol weighing 3.56g is burned in a constant-volume bomb calorimeter. Consequently, the…

A: Heat capacity of Bomb calorimeter and water = 8.224 KJ/◦C

Q: In a calorimetry experiment, a 22.5 gram metal object was heated to 64.23oC. It was placed into a…

A:

Q: A piece of metal with a mass of 22.6 at 165.2oC is placed in a styrofoam cup containing 35.0 g of…

A: The term thermal equilibrium may be explained as the heat liberated will be equivalent to the heat…

Q: An electrical heater is used to supply 85.0 J of energy to a 25.0 g sample of aluminum, originally…

A: As per the data given in the question,Specific heat capacity for aluminum = 24.35 J/mol KEnergy =…

Q: The heater used in a 4.33 m x 3.60 m x 2.86 m dorm room uses the combustion of natural gas…

A:

Q: When 0.625 grams of ethanol (C2H5OH) undergoes combustion in a bomb calorimeter attaining a…

A: Mass of ethanol (C2H5OH); M = 0.625 grams Temperature difference ; ∆T = 2.8°C heat capacity of the…

Q: What is the change in the internal energy of a gas that absorbs 225J of heat and expands from 10.0L…

A:

Q: A gas is expanding against a constant pressure of 3 atm from a pressure of 18.0 to 23.0 L and…

A: Here we are required to find the change in the internal energy of the system.

Q: The combustion of what volume of ethane (C2H6), measured at 23.0°C and 752 mmHg, would be required…

A: The effect of pressure and temperature is measured by Boyle’s law and Charles's law respectively.…

Q: The specific heat capacities for four different substances are shown below. If the same amount of…

A: Specific heat capacity is a term used in thermodynamics and it is characteristic of a particular…

Q: The combustion of 1.876 g of propanol (C,H,OH) increases the temperature of a bomb calorimeter from…

A:

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

A:

Q: What is the final temperature of a system if 17.00 g of gold at 90.0°C is placed in 17.00 g of water…

A: In this question, final temperature of the system is to be determined. The given values are : Amount…

Q: You have a constant pressure calorimeter filled with 256.328 g of water at 21.3C. A 93.310g piece of…

A: Specific heat represent the amount of heat required to raise the temperature of 1gm of substance by…

Q: How much heat is released by a system when 45 J of work is done on it to decrease its energy to 23…

A: Since you have posted multiple questions, we will solve first one for you. To get the remaining…

Q: 9. When 0.625 grams of ethanol (C2HSOH) undergoes combustion in a bomb calorimeter attaining a…

A:

Q: Calculate the heat change of the combustion of 1.78 g. benzoic acid (CsHsCOOH) in a constan: bomb…

A: Given that- m =1.78 g  S = 5.7125 KJ/°C  T2 = 28.52 °C  T1 = 15.17 °C

Q: A student was given a sample of a silvery gray metal and told that it was bismuth, specific heat…

A:

Q: The hypothetical element X and an oxide of X undergo the following reactions with oxygen, with the…

A: Answer: -150 KJ  Solution:

Q: A 0.1375g sample of solid Mg is burned in a constant volume bomb calorimeter that has a heat…

A: The following relation gives the amount of heat absorbed or released by a substance. Q=mC∆T where…

Q: A 22.1g piece of aluminum (which has a molar capacity of 24.03 J/oC.mol) is heated to 82.4oC and…

A: Given: Mass of Al = 22.1 g. Initial temperature of Al = 82.4 oC Initial temperature of water =22.3…

Q: The explosive nitroglycerin (C3H5N3O9) decomposes rapidly upon ignition or sudden impact according…

A: Answer: Standard enthalpy of formation of nitroglycerine = - 475.5 kJ / mol

Q: Aluminum mass of metal 50.820g temp of boiling water 98.1 C volume of water in cup 50mL temp of…

A: The data given is, Aluminum mass of metal 50.820g temp of boiling water 98.1 C volume of…

Q: 3. We all know that the hood of a car gets extremely hot in the summertime when a bright sun is…

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

Q: A 44.0 g sample of unknown metal at 99.0°C was placed in a constant-pressure calorimeter, with a…

A: Given : Mass of water = 80.0 g Mass of metal = 44.0 g Initial temperature of water = 24.0 oC Final…

Q: hydrogen sulfide gas, H2S(g)H2S(g), reacts with oxygen gas, O2(g)O2(g) , sulfur dioxide gas,…

A: