Automobile airbags contain solid sodium azide, NaN3, that reacts to produce nitrogen gas when heated, this inflating the bag.  2NaN3(s)--> 2Na(s) + 3 N2(g) calculate the value of work,w, for the system if 33.9g NaN3 reacts completely at 1.00atm and 22°C.

Q: A certain gas expands in volume from 2.0L to 24.5L at a constant temperature. Calulate the work done…

A:

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: 9. A hot air balloon has a volume of 3.21 x 10° L. It is filled with CO, and H,O gas when propane is…

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

Q: A hot air balloon is being inflated to its full extent by heating the air inside it. In the final…

A: Delta E for the process = 790 kJ

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

A: Given information, Mass of NaN3 = 32.5 g Pressure of the gas = 1.00 atm Temperature of gas =  22°C =…

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

A:

Q: 22.8 g teaspoon made of stainless steel 304 (s = 0.5024 J g-1 K-1) originally at 10.°C is immersed…

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Q: A gas expands from 2.00 L to 3.65 L, against a pressure of 0.485 atm, at constant temperature. What…

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

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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: Under the standard state and 260 oC, the solid of ammonia hydroxide NH4OH (s) decomposes explosively…

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Q: Consider a 1 L container which is divided equally into two compartments by a frictionless movable…

A: Work done is the amount of energy required to move something against a force.

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

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Q: 4. Air at 25°C expands adiabatically and reversibly from 10 atm to 1 atm. How many moles of gas are…

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Q: please help me, its a two part problem attached as 1 screenshot, please answer both parts.

A: According to first law of thermodynamics, the total energy of the universe remains constant. In…

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: Acetylene gas, C2H2(g), is used in welding. (a) Write abalanced equation for the combustion of…

A:

Q: A mixture of krypton and oxygen gas is expanded from a volume of 31.0L to a volume of 87.0L, while…

A: Work done = P(V2-V1)  where P = pressure , V2 = final volume , V1= initial volume

Q: When a sample of an ideal gas is compressed at 25 °C from 52.0 L to 21.0 L at a constant pressure of…

A:

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

A:

Q: Five moles of monatomic ideal gas enter the abc cycle and during a complete cycle 600 J of heat is…

A: Work done in ca process :

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 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: Which condition results to work done greater than the change in internal energy? AU > 0; AS > 0 Ο Δυ…

A: Here we have to verify options and check by the help of first law of thermodynamics.

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: 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: Limestone stalactites and stalagmites are formed in caves bythe following reaction:Ca2+ (aq) + 2…

A: The chemical reaction is as follows:

Q: When 8.36 g of a salt dissolves in 142 mL of water (density = 1.00 g/mL) in a coffee-cup…

A: Since you have posted multiple unrelated questions, we are entitled to answer the first only as per…

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: 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: A sample of helium behaves as an ideal gas as it is heated at constant pressure from 273 K to 356 K.…

A: Given- Gas behaves as an ideal gas  Initial temperature =273K Final temperature =356K Change in…

Q: (2) The following diagram represents the P – V changes of a gas. Write an expression for the total…

A: The PV curve given is,

Q: In the following chemical equation: CH, (9) + 202 (9) 02 (9) + 2H,0 2 (g) (1) Calculate the work…

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

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 the reaction N2(g) + 3H2(g) → 2NH3(g) ΔHorxn = −92.6 kJ/mol  If 2.0 moles of N2 react with…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

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

A:

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: 6600 J of heat flow into 0.014 m of a monatomic gas at 1.5 x 10° N/m². The gas expands isothermally…

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

A: Given data :

Q: As shown here, one type of computer keyboard cleaner contains liquefied 1,1-difluoroethane 1C2H4F22,…

A: The degree of randomness is called entropy. Entropy in the high-pressure region is high due to the…

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

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