Which of the following statements is true concerning the decomposition of liquid water to form hydrogen gas and oxygen gas? 2H20(1) → 2H2(g) + O2(g) -> a. AH is less than AU because of the pressure-volume work done by the gaseous products. b. AH equals AU because both are state functions. c. AH is greater than AU because of the pressure- volume work done by the gaseous products. d. AH is greater than AU because the pressure is constant. e. AH is less than AU because the atmosphere does pressure-volume work on the gaseous products.

Q: An automobile engine provides 502 Joules of work to push the pistons and generates 2327 Joules of…

A: Given: Work done dW = -502 J (negative sign as system does wok) Heat energy dQ = -2327 J (negative…

Q: Aluminum metal reacts with hydrochloric acid to give aluminum chloride and hydrogen gas:…

A: Given data,Mass of Al=50gTemperature=20°C=273+20=293KMolar mass of Al=26.98154g/mol

Q: The lead-acid storage battery is the oldest rechargeable battery in existence. It was invented in…

A: Given that : There are two reactions that take place during the discharge of the lead-acid storage…

Q: please help me

A: Pressure, P = 1 atm Initial volume, V1 = 1 L Final volume, V2 = 10 L

Q: A mixture of nitrogen and argon gas is compressed from a volume of 15.0L to a volume of 11.0L, while…

A: From thermodynamics, work done is calculated as: w = -PΔV   Or, w = -P(Vf-Vi)   where Vf and Vi are…

Q: A system is allowed to expand from 5.56 L to 10.0 L at a constant pressure of 1.0 atm. What is the…

A: • The values provided in the question are:-      i) Initial volume of a system, V1 = 5.56 L    ii)…

Q: Oxygen gas at 34.5 °C expands from 34.5 L and 45.7 L against a constant pressure of 750 mmHg. What…

A: T = 34.5oC = 273+34.5 = 307.5K number of moles of oxygen (n) = PV/RT = 0.98X34.5/0.082X307.5 =…

Q: The lead-acid storage battery is the oldest rechargeable battery in existence. It was invented in…

A: H2SO4 (l)  ---->  SO3 (g)  +  H2O (l)                                 ∆H1= +113…

Q: Acetylene is a gas used for welding metal. a. Write the balanced combustion reaction for acetylene,…

A:

Q: How much work does a gas do when it expands against a constant pressure of 0.500 atm from a volume…

A: The work done can be calculated by the pressure volume work as w=-P∆V       =-PVf-Vi

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: 5.19 Consider these changes. At constant pressure, in which of the reactions is work done by the…

A: The work performed by the compression as well as expansion of a fluid is known as pressure–volume…

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

A:

Q: 7. Consider reaction H2(g) + Cl2(g) + 2HCI (g) AH = -184.6 kJ/mol If 3 moles of H2 react with 3…

A:

Q: The lead-acid storage battery is the oldest rechargeable battery in existence. It was invented in…

A: We will use the Hess's Law to find out the net change in enthalpy for the reaction. The reactions…

Q: 1. Calculate the initial volume of a gas if it is compressed to a final volume of 1.4 L at a…

A: Given Pressure (P) = 2.7 atminitial volume (V1) =?final volume (V2) = 1.4 LTotal work done= 457 J

Q: If the same amount of energy in the form of heat is added to 19.5 g samples of each of the metals…

A:

Q: Charcoal is primarily carbon. Determine the mass of CO2produced by burning enough carbon to produce…

A: The given reaction is  C(s) + O2(g) ------> CO2(g)   ∆H = -393.5 kJ

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

A: According to first law of thermodynamics , the work done by a system,is dW=-PdV.  Where dV be the…

Q: Determine the efficiency of a camp stove given the following data: mass of propane burned = 4.48 g…

A: Interpretation- We have to determine the effciency of a camp stove on the basis of data as given…

Q: What is the change in internal energy, ΔE, of the system? Note that internal energy is symbolized as…

A: According to first law of thermodynamic, The total internal energy is

Q: Calculate the work, in joules, done by a gas as it expands at constant temperature from a volume of…

A: During the expansion of a gas at constant temperature the work done by the system is given by: w =…

Q: reactions would work be done on the system (at constant temperature and pressure)?   Hg (l)   ->…

A: From the iupac sign conve ntion, Work done on the system is positive.  At constant temperature and…

Q: statements is true concerning the decomposition of liquid water to form hydrogen gas and oxygen gas?…

A: Decomposition of water

Q: Determine the amount of heat (in kJ) associated with the production of 3.26 ×104 g of ammonia…

A: From the given reaction we can see that 2 moles of ammonia is formed when heat associated with 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: A gas expands from I to F along the three paths indicated in the figure below. Calculate the work…

A: Given: Three paths are plotted on a PV diagram, which has a horizontal axis labeled V (liters), and…

Q: Oxygen gas at 34.5 "C expands from 34.5 L to 45.7 Lagainst a constant pressure of 750 mmHg. What is…

A: The values given are : T = 34.5o C Vinitial = 34.5 L Vfinal = 45.7 L P = 750 mmHg 1 L atm = 101.325…

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: When gasoline is burned at constant pressure, some heat is released and some work is done. Which of…

A: The heat exchange, q, at constant pressure, P, is the enthalpy change, ΔH, for the system so ΔH =q.

Q: If we define the system as the reactants and products, what isthe sign of work in this process,…

A: Interpretation - The sign of work in the given process is positive or negative is to be explained.

Q: When nitroglycerin explodes, the chemical reaction that occurs can be assumed to be C3HsN3O9(1) →…

A: The reaction for the explosion of nitroglycerin is given below : C3H5N3O9(l)  →  3CO2(g)  +  32N2(g)…

Q: A mixture hot gases expands, changing volume from 2.45 L to 6.82 L, against a constant pressure of…

A: The initial volume = 2.45 L The final volume = 6.82 L Volume difference, ΔV = (final -Initial)…

Q: Consider the specific heat capacity of the following metals. Metal Specific heat capacity ( J/ kg K)…

A: We have to predict the metal.

Q: C2H4 (g) + 3 02 (g)2 CO2 (g) + 2 H20 (e) Standard enthalpies of formation of CO2 (g) and H20 (e) are…

A:

Q: Calculate the work done in joules by the reaction 2Na(s) + 2H2O(l) = 2NaOH(aq) + H2(g) when 0.34 g…

A:

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: 1 pt Calculate the internal energy change for each of the following. a. One hundred (100.) joules of…

A: From 1st law of thermodynamics,Change in internal energy is sum of work done on/by the system and…

Q: A) What is the value of ∆G° for combustion of ethanol? C2H5OH(l) + 3O2(g) --> 2CO2(g) + 3H2O(l)…

A: A] To find out the value of ∆G° for combustion of ethanol Given reaction: Calculate the value of…

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: Consider the following changes:a.N2 (g) → N2 (l)b.CO (g) + H2O (g) → H2 (g) + CO2 (g)c.Ca3P2 (s) +…

A: Work done: The work is a transfer of energy from one system to another system without the change in…

Q: 2)  Automobiles air bags are filled via the decomposition of sodium azide, according to the…

A: The decomposition reaction of sodium azide is shown below:

Q: Consider the decomposition of zinc sulfide. ZnS(s) → Zn(s) + S(s)          ΔG° = +201.3 kJ…

A:

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

A: Part A: The work done can be calculated as, w = - Pext (V2 - V1) w= -1 (18 - 1) w = -17 atm L 1 atmL…

Q: Calculate the work, w, gained or lost by the system when a gas expands from 15 L to 35 L against a…

A: Given : Initial volume = 15 L  Final volume = 35 L And constant external pressure = 1.5 atm.

Q: Which of the following 1.00 mole of fossil fuel when burned (combustion in open atmospheres) will…

A: Work done by any system or on the system can be calculated by the formula , w = -P∆V

Q: Determine the amount of heat (in kJ) associated with the production of 3.20×104 g of ammonia…

A: Given: mass of ammonia = 3.20×104 g molar mass of NH3 = 17.031 g/mol