Suppose 32.1 g ClF3(g) and 17.3 g Li(s) are mixed andallowed to react at atmospheric pressure and 25°C untilone of the reactants is used up, producing LiCl(s) andLiF(s). Calculate the amount of heat evolved.

Q: 10. A reaction known to release 1.78kJ of heat takes place in a calorimeter containing 0.10OL of…

A: Given: Heat released = 1.78 kJ temperature change = 3.65 oC Volume of solution = 0.1 L = 100.0 mL…

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

A:

Q: From a consideration of the reaction 2NO(g) + O2(g)  2NO2(g) H = 114.1 kJ if 2.00 * 10^2 g of…

A: given mass of NO2 = 2*102 g

Q: The reaction between sodium metal and chlorine gas produces 822 kJ of heat energy for every chlorine…

A: Given data, Mass of Na=1.416gEnergy produced for the given reaction=822kJ

Q: A 8.22-g sample of solid calcium reacted in excess fluorine gas to give a 16g sample of pure solid…

A: The formula for the enthalpy formation is followign bellow:

Q: Solid carbon–C(s, graphite), gaseous hydrogen–H2(g), and thesugar glucose–C6H12O6(s) are all burned…

A: The standard reaction enthalpy is the sum of the standard enthalpies of the intermediate reactions…

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: 2 X+ Y2Z3 →2 Y+ X2Z3, AH = -325 kJ/mol Given the equation above how many kilojoules of heat are…

A: Given that: 2X + Y2Z3    ----->  2Y + X2Z3     ∆H = -325 kJ/mol

Q: The temperature of 756 g of water in a calorimeterincreases from 23.2°C to 37.6°C. How much heat…

A: Given: Mass = 756g Initial temperature= 23.2oC Final temperature= 37.6oC To find: The heat given off…

Q: A piston performs work of 217 L atm on the surroundings, while the cylinder in which it p,aces…

A: Record the given data,   Work done w = 217 L atm   Piston expands from 8L to 24 L.

Q: 1. ransferred from one system to another spontaneously? What is heat? How does heat differ from…

A:

Q: How much themmal energy, in joules, is required to raise the temperature of a 27.34 g sample of…

A: Consider the given information is as follows; Mass of the sample of titanium mtitanium = 27.34 g…

Q: A propane tank on a home barbeque contains 10.4 * 103g ofpropane.a. Write the balanced chemical…

A: Solution- (a)-C3H8(g)+H2O(g)  → 3CO2(g) + 4H2O(g)∆Horxn=∑∆Hf(product) - ∑∆Hf(reactants)=(3× -393.5)…

Q: Acetylene (C2 H2 ) can be made by combining calcium carbide (CaC2) with water. (a) Write an equation…

A: Given: mass of CaC2 = 74.6 g

Q: When a 12.6 g sample of NaOH(s) dissolves in 398.0 mL water in a coffee cup calorimeter, the…

A: Mass of sample = 12.6 g  Mass of water = 398.0 mL Change in temperature of water  = 29.7 °C - 21.6…

Q: A 531.6 g sample of sodium undergoes a temperature change of +86.75 °C while absorbing 857.4 joules…

A:

Q: If the reaction of 2.5 g of Ca transfers 487 J of heat to a solution in a calorimeter (i.e. qsoln =…

A: Given : Mass of Ca reacting = 2.5 g And amount of heat transferred to the solution = 487 J Atomic…

Q: If 427 J of enesgy is indirectly converted to chemical energy, which is then converted to mechanical…

A: According to the law of conservation of energy the, the energy can never be created nor be destroyed…

Q: In a given gaseous reaction, 72 J of heat is absorbed and AE = -442 J. (a) Calculate w (work). work…

A: First law of thermodynamics  When heat absorbed by a system  Q=∆E+W Q=heat absorbed by a system…

Q: The contents of the closed box in each image represent a system, and the arrows show the changes to…

A: From the first law of thermodynamics,  □U = q + w  Where, q = heat      w = work   Prodces A) q =…

Q: Consider the following reaction:N2O(g) + NO2(g) → 3 NO(g)                      ΔHrxn = 155.6…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: Glucose, C6H12O6(s), is converted to ethyl alcohol(ΔHfo = −1275.2 kJ/mol), C2H5OH(l), and carbon…

A:

Q: The reaction caused the temperature of the solution to rise from 24.18 °C to 28.27 °C. If the…

A:

Q: When 4.81 g of a solid mixture composed of NH4CI and Cačl2 was dissolved in 100.0 mL of water, the…

A: Please find your solution below :

Q: Suppose that 0.250 mol of methane, CH4(g), is reacted with 0.400 mol of fluorine, F2(g), forming CF…

A: 0.250 mol  of methane is reacted with 0.400 mol of fluorine.

Q: 7. When 0.63 g of solid LiCI (AHsoln = – 37.1 kJ/mol) dissolves in 5 L of water, how much heat is…

A: Answer :-  Heat released (q) when 0.63 g LiCl dissolved in 5 L water = -552.8 (J) = -0.5528 (kJ)…

Q: The heat of combustion (∆H) for propane (molar mass 44.11 g/mol) is -2222 kJ/mol. The heat generated…

A: For propane Heat of combustion = - 2222 KJ Mass of propane = 1.085 g Molar mass of propane = 44.11…

Q: In a constant-pressure calorimeter, 65.0 ml. of 0,860 M H, SO, was added to 65.0 ml. of 0.420M NAOH.…

A:

Q: Consider the balanced chemical equation: 2Al(s) + Fe2O3(s) -> 2Fe(s) + Al2O3(s) heat of reaction =…

A:

Q: In a constant-pressure calorimeter, 50.0 mL of 0.340 M Ba(OH), was added to 50.0 mL of 0.680 M The…

A:

Q: OWhen a 0.740-g sample of trinitrotoluene (TNT), CH-N,Oo, is bumed in a bomb calorimeter, the…

A: Given volume of water = 675mL  Density of water = 1g/mL  So, mass of water = volume×density = 675g…

Q: KJ/mol. The heat of reaction for the combustion of a mole of Ti in this calorimeter is

A: The ∆Hcombustion is the amount of heat in the energy needed to burn per mole of a substance. Its…

Q: Many portable gas heaters and grills use propane, C3H81g2, asa fuel. Using standard enthalpies of…

A: The balanced reaction is,

Q: The thermite reaction, used for welding iron, is the reaction of Fe3O4 with Al. 8Al(s) + 3Fe3O4(s)…

A: Recall the given reaction,                     8 Al s  +  3 Fe3O4 s  →   4 Al2O3 s  +  9 Fe s…

Q: In a constant-pressure calorimeter, 75.0 mL of 0.880 M H, SO, was added to 75.0 mlL of 0.440 M NaOH.…

A: Given :  Concentration of NaOH solution  = 0.440 M  Volume of NaOH solution = 75 ml  Concentration…

Q: When 5.70 g of a solid mixture composed of NH4CI and CaCl2 was dissolved in 100.0 mL of water, the…

A:

Q: Hydrazine, N2H41), is used in rocket fuels. The thermochemical equation for the combustion of…

A:

Q: Calculate the heat released when 2.00 L of Cl2 (g) with a density of 1.88 g/L reacts with an excess…

A: Given: Volume of chlorine = 2.00L Density = 1.88g/L Temperature = 250C Pressure = 1 atm Molar mass…

Q: Which of the following processes always results in an increase in the energy of a system? O The…

A: Which of the following processes always results in an increases in the energy of a system has to be…

Q: How many moles of H, are required to produce -4551 kJ of heat in the following reaction? N, (g) + 3…

A:

Q: Consider the hypothetical thermochemical equation 3 A+ B 2 C for which AH = 59.3 kJ/mol. %3D If the…

A: Ans

Q: 49. When 2.50 g of methane burns in oxygen, 125 kJ of heat is produced. What is the enthalpy of…

A:

Q: Combustion of table sugar produces CO2(g) and H2O(l). When 1.46 g table sugar is combusted in a…

A: Given,  The mass of sucrose burnt = 1.46 g Heat (q) = 24 kJ. a.Assuming that table sugar is pure…

Q: When a 12.5 g sample of NaOH(s) dissolves in 395.0 mL water in a coffee cup calorimeter, the…

A: Please find the solution attached as handwritten note .

Q: Calculate ΔE of a gas for a process in which the gas evolves 24 J of heat and has 9 J of work done…

A: Applying 1st law of thermodynamics  ΔE = q + w  where ΔE is change in internal energy , q = heat…

Q: Write balanced equations that describe the formation of thefollowing compounds from elements in…

A:

Q: A sample of 0.562 g of carbon is burned in oxygen in a bomb calorimeter, producing carbon dioxide.…

A: Given: Mass of carbon = 0.562 g Initial temperature = 26.74°C Final temperature=27.93°C To find; The…

Q: How much heat is evolved when 8.89x10° g of ammonia is produced according to the following equation?…

A: