The Gibbs free enetgy change is: AG = AH-TAS 0 Given equaton is'. AG -73.1 +42.8 %3D AG = -73.IJ + 42.8 TJ ド Compare equa h'ons O and 2 Then

Q: A bomb calorimeter has a heat capacity of 2.47 kJ/°C. When 0.106 g sample of a compound was burned…

A: By bomb calorimeter, change in internal energy of an isochoric process is determined.

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Introduction:When a solid dissolves in water, heat may be released or absorbed. The heat of…

Q: arriors arrives at a blacksmith to get new weapons 1.74 kg of iron at 1371 °C, which was cooled down…

A: Suppose, the final temperature of the iron longsword is t°C.  At equilibrium, both the iron and…

Q: One hundred grams of a piece of metal was put in 222.2 g container and the water are at 20 deg C. Cp…

A: Given,  Mass of metal= 100 g Mass of water = 222.2 g  Cp(water) = 4.184 J/g-K Cp(metal) = 0.4444 J/K…

Q: Calculate the change in internal energy and indicate whether the energy of the system has increased…

A: #2: The change in internal energy(∆U), heat(q), and work done(w) are related through the 1st law of…

Q: A 52.1 g sample of polystyrene is put into a calorimeter (see sketch at right) that contains 300.0 g…

A: In the process, the polystyrene will release the heat. The water will absorb the heat from the…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A:

Q: issolves in water, heat may be evolved or absorbed. The heat of dissolution (dissolving) can…

A: We have to find value of ∆H dissolution of given salts, for given two cases.

Q: 10. Explain enthalpy, entropy, and internal energy.

A: Enthalpy:-Enthalpy is the measurement of energy in a thermodynamic system. The quantity of enthalpy…

Q: A 100.7 g sample of beryllium at 138.5 °C is placed in a beaker that contains 210.4 g of water at…

A:

Q: 1. Write a balanced chemical reaction for the combustion of methanol to CO2 and  H20. A.. Calculate…

A: ∆The balanced chemical reaction for the combustion of methanol to form CO2(g) and H2O(l) is given by…

Q: You are mixing CaCl2in water in a coffee cup calorimeter when you notice that the outer cup has a…

A: Given : substances Cacl2 and H2O.            Calorimeter To find : appropriate chemical equation.…

Q: 22. Complete Table 1 (below). Write a point form summary of the effects of (a) mass, (b) heat…

A: Q = mC ∆T

Q: he energy density of a fuel is 64.36 kJ/g. A 63.61-g sample is burned in an apparatus with a…

A: Energy density= 64.36 kJ/g  Mass = 63.61 g  Energy(q) ) = 64.36 × 63.61    = 4093.9396 kJ  Energy…

Q: Under Measurements show that the enthalpy of a mixture of gaseous reactants increases by 206. kJ…

A:

Q: Which statement is true of the internal energy of the system and its surroundings following a…

A: Internal energy of a system is the summation of potential and kinetic energy of that system. Or the…

Q: 20. Thermal equilibrium is reached when energy moves from the substance with lower energy to higher…

A: To explain: Thermal equilibrium.

Q: 19. Ice at 0 °C is placed in a Styrofoam cup containing 361 g of a soft drink at 23.0 °C. Some ice…

A: According to the simple concept of calorimetry which states that heat lost is equal to the heat…

Q: a. N2 (g) + 3Cl2(g) → 2NCl3(g) ΔHo = 460 kJ/ mol; ΔSo = - 275 J/ K b. N2(g) + 3F2(g) → 2NF3(g) ΔHo =…

A: Here given multiple question...

Q: A hot 102.4 g lump of an unknown substance initially at 168.9 °C is placed in 35.0 mL of water…

A: Given: Temperature of unknown metal decreases from 168.9 °C  to 55.7 °C  Temperature of water…

Q: Why heat capacity is so important in our everyday life? please give an examples.

A: Heat capacity is the amount of heat required in Joules by one gram of substance to raise its…

Q: A 32.25 g sample of polymer A is initially at 21.4 °C. This substance then absorbs 1,557 J of heat,…

A:

Q: 4. Write the equation for the First Law of Thermodynamics. And explain each variable.

A: The first law of thermodynamics states that energy is conserved as it cannot be created nor be…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

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

Q: 3. Sodium hydroxide gives off 44.5 kJ of heat per mol when dissolved in water. Write the balanced…

A: An EXOTHERMIC ( heat is released) thermochemical reaction equation is written as Reactants…

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: A sample of flammable liquid is placed into an enclosed cylinder which is then fitted with a movable…

A: Answer:The Law of energy conservation states that energy can't be created or destroyed. It can only…

Q: A piece of metal (108 g) was heated up to 86 °C, then it was transferred into 194 g of water. The…

A: Given that : Mass of metal (mm) = 108 g Its temperature = 86°C Mass of water (mw) = 194 g Its…

Q: A 50.8 g sample of brass is put into a calorimeter (see sketch at right) that contains 200.0 g of…

A: Given that: Mass of brass sample = 50.8g Mass of water = 200.0g Initial temperature of brass =…

Q: Ice at 0.0 °C is placed in a Styrofoam cup containing 381. g of a soft drink at 15.8 °C. The…

A: To determine the mass of ice that has melted, first of all, the energy that has been liberated by…

Q: A 50.5 g sample of polystyrene is put into a calorimeter (see sketch at right) that contains 200.0 g…

A: Given: Mass of polystyrene = 50.5 g = mpTi of polystyrene = 85.4 ◦C = TpSpecific heat of polystyrene…

Q: . A piece of an iron metal of unknown mass is heated to 325.9 o C and then placed in a styrofoam…

A: Given, Initial temperature of iron = 325.9 °C Volume of water = 225.2 mL Initial temperature of…

Q: A change in a system occurs such that 76.2 J of heat flows in to the system and 66.5 J of work is…

A: Introduction: From the 1st law thermodynamics,  the change in internal energy, ∆U = q + w (q =…

Q: A marshmallow PEEP is placed in a bomb calorimeter. Assume it is made of sucrose (342 g/mol). One…

A: To determine the moles of PEEP marshmallow present, Moles of sucrose (n) = wM= 8.5 g342 g/mol= 0.025…

Q: Explain what is first law of thermodynamics. How it is related to the conservation of energy?

A:

Q: A piece of iron (mass = 25.0 g) at 398 K is placed in a styrofoam coffee cup containing 25.0 mL of…

A: Given,Mass of iron (m1) = 25 gInitial temperature of iron (Ti) = 398 KSpecific heat capacity of iron…

Q: section in your e Text. Two substances, A and B, initially at different temperatures, come into…

A: we have to calculate the specific heat capacity of substance A

Q: A silver block, initially at 58.5 °C, is submerged into 100.0 g of water at 24.8 °C, in an insulated…

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Q: Provide the definition of the second law of thermodynamics. How does the second law explain why heat…

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

A: Given : mass of substance A =6.29 g.                                 Mass of substance B = 25.9 g.…

Q: A 114.06 mL sample of 0.245 M aqueous hydrochloric acid is added to 122.18 mL of 0.172 M aqueous…

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Q: 14. What is heat capacity? How is it used? Why is it important in chemistry? Explain your ideas and…

A: Heat capacity -  It it the amount of heat or energy required to increase the temperature of a…

Q: Exothermic Endothermic Heat Hotter than suroundings Heat Heat /Cooler than surroundings Heat Heat…

A: We know that,  Entropy measure randomness. If more randomness then more entropy.

Q: Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of 24.0 atm. Calculate…

A: Given that : The internal pressure of the gas = 24.0 atm The initial volume of the container = 1.00…

Q: Consider the reaction C12 H22O1 (s) +1202 (g)+12C02 (g)+ 11H20(1) in which 10.0 g of sucrose, C12…

A: