Automobile airbags contain solid sodium azide, NaN3,NaN3, that reacts to produce nitrogen gas when heated, thus inflating the bag.   2NaN3(s)⟶2Na(s)+3N2(g)2⁢NaN3⁢(s)⟶2Na(s)+3⁢N2⁡(g)   Calculate the value of work, ?,w, for the system if 32.5 g NaN332.5 g NaN3 reacts completely at 1.00 atm1.00 atm and 22 ∘22⁢ ∘C.

Q: Calculate the work (in kJ) when 4.34 mol of solid ammonium chloride, NH4CI, decomposes completely to…

A: Moles of NH4Cl = 4.34 mol Temperature of HCl = 1676 K  1 KiloJoule = 1000 Joule We have to find the…

Q: How much work, w, must be done on a system to decrease its volume from 15.0 L to 7.0 L by exerting a…

A: Given :-  initial volume = 15.0 L  final volume = 7.0 L  pressure = 3.0 atm  To calculate :-  work…

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: Automobile airbags contain solid sodium azide, NaN3, that reacts to produce nitrogen gas when…

A: Pressure, P= 1 atm Temperature, T = 22°C = (22+273.15) K                          = 295.15 K Gas…

Q: . Given below is the exothermic reaction involved in the production of ammonium chloride,…

A: NH3(g) + HCl (g) = NH4Cl (s) , ∆H = -176.2 kJ

Q: Without doing any calculations, match the following thermodynamic properties with their appropriate…

A:

Q: For the reaction 2NH3(g) + 202(g)¬N20(g) + 3H,0@) AH° = -683.1 kJ and AS° = -365.6 J/K The maximum…

A: The thermodynamic equation of energy is shown below: Where; ∆H= change in enthalpy T= temperature…

Q: A sample consisting of 1.0 mol CaCO3(s) was heated to 800 °C, at which temperature the solid…

A: SOLUTION: Step 1: The reaction of decomposition of calcium carbonate is as follows: CaCO3 (s) → CaO…

Q: a) Methane gas allowed to expand from a volume of 3.2 L to a volume of 8.5 L. During the course of…

A: It is given that methane gas is expanding from a volume of 3.2 L to a volume of 8.5 L, and during…

Q: A 0.0500 L sample of 0.500 M of a metal nitrate, M(NO3)2, is added to 0.0500 L of 0.500 M magnesium…

A: Total volume of the mixture = 0.0500 L + 0.0500 L = 0.1 L = 100 millilitre.Given, the density of…

Q: Igniting gunpowder produces nitrogen and carbon dioxide gas that propels a bullet by the reaction…

A: Mass of KNO3 = 2.1g External pressure = 1atm Density of nitrogen = 1.165g/L Density of cabon dioxide…

Q: The First Law of Thermodynamics

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

Q: An imaginary machine takes 9,000 J of heat from a hot reservoir and 3,000 J of heat from a cold…

A: Given : An imaginary machine takes 9,000 J of heat from a hot reservoir and 3,000 J of heat from a…

Q: (3e-103-2860) A scuba tank has a pressure of 195 atm when it contains 2860 moles of gas. If after a…

A: Given : Initial pressure of gas = 195 atm  Final pressure of gas = 44 atm  And initial moles of gas…

Q: a In the reaction of two moles of gaseous sulfur dioxide and one mole of gaseous oxygen to form two…

A: We can solve Given problem by using formula ∆H = ∆U + W Where  ∆H = enthalpy change  ∆U = Internal…

Q: Automobile airbags contain solid sodium azide, NaN,, that reacts to produce nitroge 2 NaN, (s) 2…

A:

Q: A critical reaction in the production of energy to do work or drive chemical reactions in biological…

A: ∆Grxn = - 50.1 kJ/mol

Q: a) Calculate the heat released when the temperature of 1.6 mol of oxygen gas at 3.5 atm pressure is…

A: Given: Specific heat capacity of oxygen = 29.4 J/mol⋅ oC Moles of oxygen = 1.6 moles Initial…

Q: A block of CO2 weighing 15 g sublimes (converts from solid to gas) in a 5.0 L container at 25°C. How…

A: Given that the process is under isothermal conditions, this means that the process takes place under…

Q: How much work, ?,w, must be done on a system to decrease its volume from 12.0 L to 4.0 L by exerting…

A: Formula used :-  W = -PdV  Where dV = (Vfinal - Vinitial )

Q: A 0.0500 L sample of 0.500 M of a metal nitrate, M(NO3)2, is added to 0.0500 L of 0.500 M magnesium…

A: The required equation is given below.

Q: Calculate the work done by 5 moles of an ideal gas during the expansion from 5 atm at 25 C to 2 atm…

A: Solutions                     Given that P1 = 5atm n = 5moles  T = 25 C P2 = 2atm T= 50C

Q: 2. (a) A sample of 1 mole ammonia at 14 atm and 25 °C in a cylinder fitted with a moveable piston…

A: Since you have posted multiple questions, we will answer only first question for you. If you want…

Q: How much work (J ) is required to compress a gas from 10L to 7L by exerting a constant pressure of…

A: work done in thermodynamical process is  W = P(V2 - V1)

Q: How much work, w, must be done on a system to decrease its volume from 11.0 L to 3.0L by exerting a…

A:

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: How much work, w, must be done on a system to decrease its volume from 12.0 L to 3.0L by exerting a…

A: If w id the work done the systemwork(w)=-Pe×∆vw= -pe×(vf-vi)If a gas compacts vf<vi and work is…

Q: For the reactionCH4(g) + 2O2(g)CO2(g) + 2H2O(g)ΔH° = -802.3 kJ and ΔS° = -5.2 J/KThe maximum amount…

A: At a constant temperature and pressure, the maximum work that can be done by the system on the…

Q: A 20.0 g block of iron (molar heat capacity 25.1 J/mol･°C) at 97.6 °C is placed into 200.0 g of…

A: Specific heat capacity is the amount of heat required to increase the temperature of 1 gram mass of…

Q: T22    Repeat the previous question but give the answer in Joules. If 15.2 L of gas expands to 45.8…

A: When the work is done by the system then it is negative .  W= pdv

Q: Gasohol is a mixture of gasoline and ethanol (grain alcohol), CH5OH. Calculate the maximum work that…

A: The given reaction for the process is : C2H5OH(l)  +  3O2(g)  →  2CO2(g)  +  3H2O(g) The standard…

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: a system receives 75.0 joules of electric work, delivers 274.0 joules of expansion work and absorbs…

A: A system receive 75 joule of electric work amd deliver 274 joule of expansion work and it absorb 168…

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: 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: For the reactionCH4(g) + 2O2(g)CO2(g) + 2H2O(g)H° = -802.3 kJ and S° = -5.2 J/KThe maximum amount of…

A: Given : Change in enthalpy is -802.3 kJ, change in entropy is -5.2 J/K, temperature is 259 K and…

Q: Consider the reaction 2 N20 (g) – 2N2 (g) + 02 (g) . Calculate the work in kJ units at T= 320.0 K…

A: Work done during a chemical reaction = - ∆ng * RT ng = No of moles of gas = (Moles of gaseous…

Q: - In which of the following systems is(are) work done by the surroundings on the system? Assume…

A:

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 system expands from a volume of 1.00 L to 2.00 L against a constant external pressure of 1.00 atm.…

A:

Q: Calculate the work done by 5 moles of an ideal gas during the expansion from 5 atm at 25 C to 2 atm…

A:

Q: Calculate ΔH for the process Hg2Cl2 (s) ⟶ 2Hg(l) + Cl2 (g) from the following information: Hg(l) +…

A: The reaction is -      Hg2Cl2(s) ---> 2Hg(l) + Cl2(g)  The steps of the reaction are-       Hg(l)…

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

A: Given data :

Q: If 15.2 L of gas expands to 45.8 L, against a constant pressure of 0.838 atm what is the value of w…

A: We have given that  gas expand from 15.2L to 45.8L i.e. V1 = 15.2L V2 = 45.8L  at constant Pressure…

Q: A heat engine operates between a hot source at 130.°C and a cold sink at 10.°C. How much work can be…

A: For carnot cycle, efficient is related to temperatures of hot source and cold sink

Q: How much work, w, must be done on a system to decrease its volume from 19.0 L to 12.0 L by exerting…

A: The work done on the system during the compression of a gas from initial volume V1 to a final volume…

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: 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