An electric battery is charged by supplying 250 kJ of energy to it as electrical work, but in the process it loses 25 kJ of energy as heat to the surroundings. What is the change in internal energy of the battery? A. +250 kJ В. +225 kJ C. -275 kJ D. -225 kJ

Q: Use data to compute AG° for the following reaction. 2CIO2 (aq) + O2(g)→ 2CIO3¯(aq) AG°f (CIO2¯(aq))…

A: Given -> 2ClO2- (aq) + O2(g) ---> 2ClO3-(aq) ∆G°f(ClO2-(aq)) = 17 KJ/mole ∆G°f(ClO3-(aq)) = -3…

Q: what quantity of coal must be burned to supply 3.18*10^6 KJ, assuming that the only combustion…

A: Given: The heat released = 3.18 × 106 kJ Standard data:  The heat of combustion of solid carbon =…

Q: What is the largest amount of work other than the pV type that can be performed by the reaction…

A: Ans is -474.26kJ

Q: A 15.08 g piece of Mg is placed in a container containing 1.0 L of 3.0 M HCI (aqueous). Calculate…

A:

Q: For the autoionization of water at 25 ° C,     H2O(l) ⇌ H+(aq) + OH−(aq) Kw is 1.0 × 10−14. What is…

A: The change in the Gibbs free energy for a given system is the change in energy that takes place…

Q: D. The First Law of Thermodynamics. Diagrams (a)-(d) represent various physical and chemical…

A: In thermodynamics, there are three types of systems. The open system exchanges matter and energies…

Q: A chemical reaction takes place and the H is recorded for reactants as being 200 kJ.  The products…

A: For a chemical reaction, the enthalpy of reaction (ΔHrxn ) is the difference in enthalpy between…

Q: nuch useful work has been extracted? (4) Where did the energy to do the work come from? 5) Does this…

A:

Q: How much work,

A: Given:Volume V1=10.0L VolumeV2=1.0L Constant pressurePext=5.0 atm

Q: consider an ideal gas enclosed in 1 litre container at an internal pressure of 20 ATM calculate the…

A:

Q: For the reaction CO(g) + Cl2(g) →COC2(g) AG° = -63.1 kJ and AS° = -137.3 J/K at 329 K and 1 atm. The…

A:

Q: How much work (in J) is involved in a chemical reaction if the volume decreases from 4.00 to 1.26 L…

A: Given:Volume V1 = 4.00 LVolume V2= 1.26 Lpressure = 0.857 atm

Q: A. Consider an ideal gas enclosed in 1.00 L container at an internal pressure of 16.0 atm. Calculate…

A: A. Work done for the expansion of an ideal gas is equal to the product of external pressure and…

Q: The table provides molar heat capacities (Cm) of selected Molar heat capacity (Cm) of selected…

A: Given Molar heat capacity values [in J/(mol.K) units] including Magnesium To find Specific heat…

Q: A heat engine produces 2000 J of work while operating at temperatures ranging from 210 to 35 degrees…

A:

Q: tión enthalpies Consider the following unbalanced reaction: ? Al(s) +? Fe203 (s) ===> Al,03 (s) + 2…

A: Hello. Since the reaction contains more than three sub-parts, the first three sub-parts shall be…

Q: Consider the following reactions. i) Hg22+ (aq)+2Fe3+ (aq)→2Hg2+ (aq)+3Fe2+ (aq) ii) 2S2O82-…

A: The question is based on concept of spontaneity of the reactions. we need to determine whether the…

Q: For the reaction 2502(g) + 02(g)2S03(g) AG° = -132.2 kJ and AS° = -187.9 J/K at 349 K and 1 atm. The…

A:

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

A: Whenever gas expands against an external pressure, work done is negative because energy gets…

Q: 5.59 What is meant by the standard-state condition?

A: Standard-state condition is a term used in chemistry for gases, liquids be it a substance which is…

Q: Calculate ΔSouniv for the rusting of iron at 25oC, in units of  kJ/(K )  :    ---------------4 Fe…

A: ΔSosys is calculated as follows

Q: If pressure is expressed in atmospheres and volume is expressed in liters, PAV has units of L atm…

A:

Q: What is the standard state of carbon?

A: Answer:- this question is answered by using the standard state of the element which exist at…

Q: glass of water at room temperature i 1st Law of Thermodynamics Zeroth Law of Thermodynamics

A: The total energy of glass water remains the same which means there is no exchange of energy or…

Q: For the reaction 2CO(g) + O2(g)2CO2(g) ΔG° = -515.1 kJ and ΔS° = -173.1 J/K at 294 K and 1 atm.…

A: Given data,∆G=-515.1kJ∆S=-173.1J/Kmoles=1.66

Q: Suppose the initial energy of a system (internal, kinetic, potential) is E the final energy is E, an…

A: First Law of Thermodynamics states that energy can be transformed from one form into another with…

Q: During a breath, the average human lung expands by about .50 L. If this expansion occurs against an…

A: Work in thermodynamics is the amount of energy that is transferred from one system to another system…

Q: Calculate ΔH for the process:                                            N2(g) + 2O2(g) ⟶…

A: According to the Hess's law, the enthalpy change of final reaction can be calculated by sum of the…

Q: onsider that you have a balloon containing 2.00 moles of CO and 1.00 mole of O2 which is in a room…

A: Moles of CO = 2 moles Moles of O2 = 1 mole Temperature = 25.9 ◦C OR (273.15 + 25.9) K Pressure = 1…

Q: Phosgene, COCl2, was used as a war gas during World War I. It reacts with the moisture in the lungs…

A: Formation reactions are defined as the reaction that forms 1 mole of the product from the elements…

Q: A gas-forming reaction produces 1.65 m^  of gas against a constant pressure of 160.0 kPa. Calculate…

A: Given -> Volume (V) = 1.65 m3 Pressure (P) = 160.0 kpa = 160×1000 pa = 1.6 × 105 pa

Q: For the reaction 2co(g) + O2(g)–→2CO2(g) AG° = -508.0 kJ and AS° = -173.1 JK at 335 K and 1 atm. The…

A: The maximum work done by the system is equal to the change in Gibb’s free energy. The expression for…

Q: When one mole of zinc and two moles of hydrochloric acid undergo the reaction Zn(s)+2HCI(aq) --->…

A: The reactants are reacting in the stochiometric proportion which leads to complete consumption of…

Q: What is a standard state?

A: In chemistry, the standard state of a material is a reference point used to calculate its properties…

Q: Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of 18.0 atm. Calculate…

A: Work done by gas against a constant external pressure is given by  W = -PΔV where W = work done by…

Q: Consider the reaction described by the chemical equation shown. 3C,H,(g) → C,H,(1) AHn = -633.1 kJ…

A:

Q: Calculate [OH] for a HNO;(aq) solution at 25°C where [H'] = 4.3 x 10 M. Show all work and units.

A: [H+  ] = 4.3 × 10-4M pH = -log [H+  ]      = -log( 4.3 × 10-4)     =  4 - log4.3    = 3.37 pH + pOH…

Q: What is the value of AG° for combustion of ethanol? C2HSOH(I) + 302(s) → 2002(g) + 3H20(1) You are…

A: The sum of Gibb’s free energy of products minus to the sum of Gibb’s free energy of reactants is…

Q: One mole of an ideal gas is contained in a cylinder with a movable piston. The temperature is…

A: Given data :

Q: One mole of an ideal gas is contained in a cylinder with a movable piston. The temperature is…

A: T = 78°CP1 = 5.20 atmP2 = 2.53 atmP3 = 1.00 atmWhat is the total work (in joules) in going to the…

Q: How much work in L*atm is done by 1.44 moles of a gas that has an initial volume of 22.5 liters and…

A: Initial Volume of gas = 22.5 L Calculation of final volume of gas: where P is the final pressure, V…

Q: 3N,0(g) +2MnO,(s) +H,0(1) → 3N,(g)+ 2MnO¬(ag) +2H*(aq) Calculate the value of AG° for the reaction…

A: The values taken are standard values of ΔGf .

Q: estion 30 of 41 <. Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of…

A:

Q: A certain heat engine operates between 50 ° C and 130 ° C. (a) Calculate the maximum work that can…

A: Given data,Temperature of hot source(T1)=130oC=273+130=403KTemperature of cold…

Q: Given the data in the table in the figure at 1 atm and 25.0 °C, calculate the standard heat of…

A: Given that : Zn(s) + Cu²⁺(aq) → Zn²⁺(aq) + Cu(s)

Q: H. Consider the equation: Li (s) + O: (g) LiżO (s) -> At 25°C, AHº for this complete and balanced…

A: for Li      2Li   + 1/2O2  à Li2O   =-598.8 kJ     2Li   + 1/2O2  à Li2O   =-598.8 kJ   -minus sign…

Q: Is it more efficient to heat your home with a natural gas furnace or an electric furnace? Explain.

A: Natural gas furnace is the primary source to heat home. Heat extracted out from burning of natural…

Q: How much work (in J) is required to expand the volume of a pump from 0.0 L to 2.5 L against an…

A: Work done is given by W=-Pext(V2-V1) Pext is the external pressure and V2 is the final volume and V1…

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.