Find the specific heat at constant pressure of hydrogen chloride (HCI) A) 800 J/kg-K B) 700 J/kg-K C) 600 J/kg-K D) 500 J/kg-K

Q: 19) Calculate the amount of heat (in kJ) necessary to raise the temperature of 53.8 g benzene by…

A: Given,  The required amount of heat, when 53.8 g if benzene raise its temperature by 50.6°C is:  The…

Q: A gold ball with a mass of 138 g has been heated to a temperature of 92.4°C and is then dropped into…

A:

Q: The heat required to increase the temperature of 50.0 g H₂O(l) from 25.0 °C to 45.0 °C is (Data for…

A: Heat is defined as the is the form of energy that is transferred between systems or with different…

Q: If a 136.51 g Al rod (c = 0.900 J/g°C) is at 100.0°C and placed into 250.0 g of water at 21.8°C,…

A: Option (C) 30°C is the correct choice.

Q: Select the exothermic reaction. A) B) C) D) 4CO(g) + Fe;O4(s) 3Fe(s) + 4CO2(s) → AH = +12.5 kJ 4…

A: In exothermic reaction heat is released whereas in endothermic reaction heat is absorbed.

Q: (a) Which substance in Table 5.2 requires the smallestamount of energy to increase the temperature…

A: a. The substance that requires the smallest amount of energy to increase the temperature of 50g of…

Q: The overall reaction in a commercial heat pack can be represented as shown below. 4 Fe(s) 30,(g)2…

A:

Q: NaBH, Fe or Sn А C HCI ( aq) HNO, CO.HCI H,SO, AICI/CuCi *1) co, Na KMNO, Br. Mg G EtBr H FeBr,…

A: Benzene gives an electrophilic substitution reaction because benzene is an electron-rich compound.

Q: At the end of which of the following reactions will the temperature of the surrounding increases?…

A: The energy difference of the products and reactants is known as the energy change of a reaction.

Q: Calculate ∆Gº for the reaction, 2SO2(g)+O2(g)→2SO3(g), where ∆Gfº= -300 kJ/mol for SO2(g) and -370…

A: Gibbs Free Energy for a reaction is calculated by subtracting  the Gibbs energy of formation of…

Q: What is the ΔS of 5 moles CO2 (g) heated at constant volume from 100 °C to 400 °C? The Cp,m of CO2…

A:

Q: Given the data; AH®. C(s) = -394 kJ, AH®. Hzg) = -286 kJ, AH®. C3H6(g) = -1911 kJ; wh the standard…

A: Since you have posted multiple unrelated questions, we are entitled to answer the first only.

Q: A 50g piece of metal is heated to 200.0 °C and then dropped into a calorimeter containing 400 g of…

A: The question is based on the concept of specific heat capacity.   it is defined as the amount of…

Q: 3.15 mol of an unknown solid is placed into enough water to make 150.0 mL of solution. The…

A: Given moles (n) = 3.15 volume = 150 ml Temperature difference = 20.11°C specific heat (C) = 4.184…

Q: What is the ΔS of 5 moles CO2 (g) heated at constant volume from 100 °C to 400 °C? The Cp,m of CO2…

A: Given : Moles of CO2 = 5 moles

Q: The overall reaction in a commercial heat pack can be represented as 4 Fe(s) + 302(g) → 2 Fe,O,(s)…

A: Note - Since you have posted a question with multiple sub-parts, we will solve first three subparts…

Q: Using values from Appendix C, calculate the value of ∆H for the following reaction: 5.74a CaO(s) +…

A: Given: ∆Hf(CaO(s)) = -635.5 kJ/mol ∆Hf(HCl(g)) = -92.30 kJ/mol ∆Hf(CaCl2(s))= -795.8 kJ/mol…

Q: If a 136.51 g Al rod (c = 0.900 J/g°C) is at 100.0°C and placed into 250.0 g of water at 21.8°C,…

A: Answer: (D) 30°C

Q: If a 136.51 g Al rod (c = 0.900 J/g°C) is at 100.0°C and placed into 250.0 g of water at 21.8°C,…

A:

Q: If a 136.51 g Al rod (c = 0.900 J/g°C) is at 100.0°C and placed into 250.0 g of water at 21.8°C,…

A: 1- at equilibrium, HeatAl = Heatwater   HeatAl = mass × specific heat × ∆T  HeatAl = mass × specific…

Q: Calculate ∆Gº for the reaction, C3H8(g)+5O2(g)→3CO2(g)+4H2O(g), where ∆Gfº=-23.5 kJ/mol for C3H8(g),…

A: Gibbs free energy is the energy which is utilised to do uswful work. It is an extensive property…

Q: At constant volume, the heat of combustion of a particular compound is -3119.0 kJ/mol. When 1.463 g…

A: At constant volume, the heat of combustion of a particular compound is -3119.0 kJ/mol. When 1.463 g…

Q: Using the provided table, determine the molar enthalpy (in kJ/mol) for the reaction 2 K(s) + 2…

A: Given : We have to calculate the molar enthalpy of the reaction.

Q: 1. a. Consider an aqueous reaction of equal volumes of 2.0 M HCI and 2.0 M NaOH, with a Tinal volume…

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

Q: A particular reaction has a ΔHo value of -169 kJ and ΔGo of -156 kJ at 524 K. Calculate ΔSo at 524 K…

A: The relation between ΔHo, ΔGo and ΔSo is shown below. ∆G∘=∆H∘-T∆S∘

Q: For the reaction, A + B → C, AH = +30 kJ; AS = +50 J/K. Therefore the reaction is:

A: For the case when both standard enthalpy and entropy change is positive - In order to be a…

Q: CaCl2 (MM = 110.98 g/mol) is used as road salt in the winter to minimize the accumulation of ice on…

A: On adding dissolving CaCl2, the temperature will change from initial value. Heat absorbed by water…

Q: An ice cube with mass 9.53 grams (presume initial temperature (Ti) = 0 °C) is placed in a…

A:

Q: The overall reaction in a commercial heat pack can be represented as 4 Fe(s) + 302 (9) + 2 Fe, 0,(s)…

A:

Q: If q = –96 kJ for a certain process, that process a. requires a catalyst. b. is exothermic. c.…

A: The answer if option b. , that is the process is exothermic. Because, the 'q' which is heat of the…

Q: When a 4.00 g sample of RbBr is dissolved in water in a calorimeter that has a total heat capacity…

A: First, we will calculate the enthalpy change and then convert that heat into a molar quantity. To…

Q: If a 136.51 g Al rod (c = 0.900 J/g°C) is at 100.0°C and placed into 250.0 g of water at 21.8°C,…

A:

Q: If a 136.51 g Al rod (c = 0.900 J/g°C) is at 100.0°C and placed into 250.0 g of water at 21.8°C,…

A:

Q: For the reaction  SOCl2 + H2O --- 2HCL + SO2        H=482 KJ What mass of HCl is produced when 2250…

A: Since when 2 moles of HCl is produced, energy absorbed = H = 482 KJ  Hence energy absorbed per mole…

Q: What is the change in heat when 50.0 g of isopropyl alcohol (C,H O) melts, given tha AH of isopropyl…

A: The change in heat and heat of fusion both are related with each other by following formula - ∆Q = m…

Q: What is ASsurr (in J/K) if AHsys is -27.2 kJ and T is 294 K?

A: Given, ∆Hsys = -27.2 kJ = -27200 J T = 294 K  So ∆Ssys = ∆Hsys/T = -27200 J/294K = -92.5 J/K

Q: How much heat (k.) is evolved when 4.50 g of Fe2O3 is reacted with excess carbon monoxide using the…

A:

Q: If a 136.51 g Al rod (c = 0.900 J/g°C) is at 100.0°C and placed into 250.0 g of water at 21.8°C,…

A:

Q: Calculate the total energy (kJ) required to heat a 17.5 g sample of benzene (C6H6) from 0.00 °C to…

A:

Q: If AH = + 32 kJ for a certain process, the process O is exothermic O cannot occur O occurs rapidly…

A:

Q: Ethylene glycol, used as a coolant in automotive engines, has a specific heat capacity of 2.42…

A:

Q: If a 136.51 g Al rod (c = 0.900 J/g ° C) is at 100.0 ° C and placed into 250.0 g of water at 21.8 °…

A:

Q: Calculate the total energy (kJ) required to heat a 17.5 g sample of benzene (C6H6) from 0 °C to 97.2…

A: Mass of benzene, m = 17.5 g Specific heat capacity of solid benzene, Cs  = 1.51 J/g°C Temperature…

Q: 3.15 mol of an unknown solid is placed into enough water to make 150.0 mL of solution. The…

A: The expression for heat absorbed is given by, q=mc∆T where q is the heat absorbed by the system, c…

Q: Under normal room conditions (standard pressure at about 20°C), water will not boil, so we do not…

A: Spontaneous process: A process which releases energy.  It means change in free energy must be in…

Q: An ice cube with mass 9.53 grams (presume Tinitial (Ti) =0°C) is placed in a calorimeter containing…

A:

Q: When a 7.00 g sample of KSCN is dissolved in water in a calorimeter that has a total heat capacity…

A: The total heat of the solution is calculated by the multiplication of heat capacity with the…

Q: Consider the reaction, 2 SO3(g) ⇌ 2 SO2(g) + O2(g) where Kc = 4 × 10–3 at 25°C. What is the value of…

A: The question is based on the concept of chemical thermodynamics. we have been given equilibrium…