unknown liquid (MM = 83.21 g/mol) at 19.2 °C to a gas at s (g) 0.932 J/(g-°C) 93.5 °C? T. 57.3 °C AH 22.5 kH/mol

Q: N2(g) + 3 X2(g) → 2 NX3(g) 0.0 AH° 0.0 -48 kJ/mol S° 292 200 152 J/(mol·K) What is AG at 600 K ? О…

A: N2 +3X2 -----> 2NX2

Q: What quantity of heat (in kJ) is absorbed in the process of making 0.965 mol of CF₄ from the…

A:

Q: If the standard molar heats of formation of ammonia, NH3(g), and gaseous water, H20(g), are -46…

A: standard molar heats of formation ammonia, NH3(g) = 46 kJ/mol gaseous water, H20(g) = -242 kJ/mol **…

Q: For 2-methylbutane, the AH° of vaporization is 25.22 kJ/mol and the AS° of vaporization is 84.48…

A: In this question, we want to determine the ∆G° of Vaporization. How we can calculate it's value, you…

Q: When 1 kg of Pb (c = 0.13 J/g-°C) of initial temperature 100 °C was added to water (p = 1 g/mL, c =…

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

Q: Assume that 5.59 x 10° kJ of energy is needed to heat a home. If this energy is derived from the…

A:

Q: F. Calorimetry (no phase change) 9. A copper pot (c = 387 J/kg.C) with a mass of 0.50 kg contains…

A: Given  mass of copper m cu=0.500 kg mass of water m w= 0.170 kg mass of iron m Fe= 0.250 kg Tcu1=20…

Q: The following information is given for benzene, C6H6, at 1 atm: AHvap(80.1 °C) AHfus (5.50 °C) =…

A: We know, condensation is the exact opposite process of vaporization.  So, ∆Hvap = –∆Hcond Where,…

Q: How much heat is absorbed when 34.5 g of H2O (MM = 18.02 g/mol) at  −7.00°C is heated to 16.0°C?…

A: Answer is option C, all steps are given below

Q: 4 PCI3(g) + 1207 kJ → P4(s) + 6 Cl2(g) A) Endothermic, heat is produced B) Endothemic, heat is…

A: Given, a chemical reaction as follows,4PCl3(g)+1207 kJ→P4(s)+6Cl2(g)we are asked to classify the…

Q: For 2-methylbutane, the AH° of vaporization is 25.22 kJ/mol and the AS of vaporization is 84.48 J/…

A:

Q: The AHvap of a certain compound is 40.91 kJ · mol-¹ and its A.Svap is 52.05 J · mol¯¹ . K¯¹. What is…

A:

Q: It requires ____ kJ of heat to boil 7.5 grams of methanol (CH3OH) at its boiling point. The ΔHvap of…

A: We need to calculate amount of heat required to boil given quantity of methanol at its boiling…

Q: 8. A student obtained the following graph with their data from lab 16. Use the graph to find the…

A: The clausius clapeyron equation is:

Q: A 65.5 gram piece of glass (c 0.840 J/g C) is heated to 177"C and dropped into a beaker containing…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A cup of ice water is placed on the counter. The temperature of the mixture is O C. After 15 minutes…

A: Given, ice water  on the counter & After 15 minutes, there is still ice remaining.

Q: How much heat will 325.0 g H2O at 15.0 oC absorb if the temperature in increased to 90.0 oC? The…

A: Solution

Q: A 1.52 kg piece of granite [cp = 0.790 J/(g·°C)] at 60.0°C must be cooled to 24.0°C by submersion in…

A:

Q: IH H + PPh₂ 1) LiBr, THF, -78 °C 2) nBuLi 3) CH₂O, 25 °C

A: The above question is based on organic reaction and mechanism. Let's solve the question -

Q: The following information is given for water at 1atm: boiling point = 100 °C melting point = 0 °C…

A: liquid water at 0 oC, it freezes by removing latent heat of fusion. H2O (l)→H2O(s) + latent heat

Q: What is delta G for the vaporization of hydrazine, N2H4, at 70 degrees C if 2.0 mol of hydrazine…

A: Since the standard free energy change can be calculated as  ΔG0 = ΔGf ( products) - ΔGf (reactants)…

Q: Which of the following reactions result in a positive ∆ Ssys? A. Pb(NO3)2 (aq) +KCl (aq) ---> PbCl2…

A:

Q: A certain liquid has a vapor pressure of 92.0 Torr at 23.0°C and 383.0 Torr at 45.0 °C. Calculate…

A: Answer :

Q: Given the following information, calculate the energy (in kcal) required to convert one ic cube that…

A: Mass of ice = 36 g Initial temperature = -18oC Final temperature = 37oC Number of moles of ice = 36g…

Q: Calcium carbonate can decompose into calcium oxide and carbon dioxide: CaCO3(s) 2 CaO(s) + CO2(g)…

A: Given The system is at equilibrium

Q: The evaporation of water is endothermic: H20(1) + 44.01 kJ H20(g) ---->

A: At a particular temperature amount of heat energy released or absorbed when a chemical reaction is…

Q: What is the reaction associated with AH°; of AgNO3(s)? O Ag(s) + 1/2 N2(g) + 3/2 O2(g)→ ABNO3(s) O…

A:

Q: At 1.00 atm, water boils at 100oC (373 K). In Denver, Colorado, water boils at about 94oC (367 K).…

A: For all the liquids , when temperature increases there is increase in pressure as well. That…

Q: Calcium carbonate can decompose into calcium oxide and carbon dioxide: CaCO3(s) 2 CaO(s) + CO2(g) AH…

A:

Q: Would the following processes be exothermic or endothermic? a. solid → liquid b. gas liquid c.…

A:

Q: Consider the heating curve provided for 1.00 mole of a substance that begins as a solid at -14.8 °C…

A: The specific heat capacity of the liquid is 97.25 J/mol.oC, which states that 97.25 J of heat…

Q: If Kea= 1.6 x 10 10 at 300°C for the reaction: 2503(g) --> 2SO2(g) + O2 (g) then what is Kegat 300°C…

A:

Q: What is the specific heat for water between 0°C and 100.0°℃? a) 6010 J b) 7520 J c) 4.18 J/(g°C) d)…

A: Given, From heating curve, The heat absorbed between 0°C to 100°C (Q) = 7520 J moles of water (n) =…

Q: A 112.1 gram sample of an unknown substance (MM = 189.50 g/mol) is cooled from 233.0 °C to 147.6 °C.…

A: Given data is Mass of the sample =112.1 gram  MM of the sample =MM = 189.50 g/mol Initial…

Q: 18. How much heat is required to convert 25.6 g of liquid benzene (C6H6) at 45.0 C to gaseous…

A: GivenWeight of liquid benzene = 25.6 gInitial temperature = 45.0 0C = T1Final temeperature = 100.0…

Q: Given the following equations, find the AHºf of one mol of HCI from its elements. Show the balanced…

A:

Q: Automobiles and trucks pollute the air with NO. At 2000.0°C, K, for the reaction is 6.62 x 10-4, and…

A:

Q: 39. What is AG for the vaporization of hydrazine, N2H4, at 70 °C if 2.0 mol of hydrazine liquid are…

A: Since the standard free energy change can be calculated as ΔG0 = ΔGf ( products) - ΔGf (reactants)…

Q: The enthalpy of fusion of methanol (CH3OH) is 3.16 kJ/mol. How much heat would be absorbed or…

A:

Q: A 200.0 g of tin released 394 calories (cal.) of heat when cooled from 100.0°C to 24.5°C. What is…

A: Given information,    Mass of metal is 200.0 g,    Amount of heat released is 394 cal,…

Thermochemistry

Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.    

Exergonic Reaction

The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.