Calculate delta U when 1.00 mol of H2 goes from 1.00 atm, 10.0 L, and 295 K to 0.793 atm, 15.0 L, and 350 K

Q: Butane gas, C4H10, is sold to campers as bottled fuel. Its density at 258C and 1.00 atm is 2.38 g/L.…

A: The standard enthalpy change for a reaction can be calculated as shown below.

Q: Consider the following reaction:                           4 Al(s) + 3 O2(g)  → 2 Al2O3(s)…

A: Given, 2.00 L of pure oxygen at STP (0°C, 1 atm) to react completely with a certain sample of…

Q: A sample contains 10.5 g N2 (MW = 28.02 g/mol), 6.5 g He (MW = 4.00 g/mol), and 34.6 g CO2 (MW =…

A: Given : Mass of N2 = 10.5 g Mass of He = 6.5 g Mass of CO2 = 34.6 g And total pressure of mixture =…

Q: Which of the following gas molecules have the highest average kinetic energy at 25 Celsius?  H2 O2…

A: The average kinetic energy of a gas particle is directly proportional to the temperature

Q: The average oxygen content of arterial blood is approximately 0.25 g of O2 per liter. Assuming the…

A: In order to solve this question, the value of gas constant we will take will be 0.0821 L atm K-1…

Q: Please help me. Double check your answer previous tutors got it wrong

A: The average translational kinetic energy = 5250 J/mol

Q: Consider 2 containers, where container 1 has three moles of gas A at T=250 K, and container 2, which…

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Q: When limestone (solid CaCO3) is heated, it decomposes into lime (solid CaO) and carbon dioxide gas.…

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A: If the flasks are opened simultaneously, which has will travel the farthest has to be given,

Q: What is the kinetic energy, in joules per mole (J/mol), of a sample of nitrogen molecules at 25.0…

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Q: Use the ideal gas law to complete the table:    PP VV nn TT 2.38 atmatm 1.25 LL ___ 206 KK 519…

A: Ideal gas equation : Can be derived by combining the following laws.Boyle's law   V ∝ 1P (Constant T…

Q: Ammonia gas has a molar mass of approximately 17 grams per mole. At 290K and 1.2 atm, a sample of…

A: Given At 290K and 1.2 atm, a sample of ammonia has a volume of 3.7 L. R=0.0821L⋅atm/mol⋅K  Molar…

Q: Assume that 4.19 3 106 kJ of energy is needed to heat a home. If this energy is derived from the…

A: Given: ∆H (combustion of CH4) = -891 kJ/mol Heat energy is needed = 4.193×106 kJ At STP:…

Q: A waste heat exchanger is used to absorb the energy from the complete combustion of hydrogen sulfide…

A: Mass of hydrogen sulfide = 12 kg = 12×103 g (1 kg = 103 g) Change in temperature, ΔT = 52 °C Molar…

Q: Assume that 4.77 × 10° kJ of energy is needed to heat a home. If this energy is derived from the…

A: ΔH for combustion of CH4= -891 kJ/mol.       Amount of heat required =4.77 x 106 kJ ofenergy…

Q: Which sample of gas will have molecules with the highest average kinetic energy at 385 K? N2 N20…

A: Average Kinetic energy of gas molecules can be written as Ekin = 3/2 kT Where   k = Boltzmann…

Q: Based on the reaction 2 Ag2O(s) →4 Ag(s) + O2(g) if (5.60x10^0) mol of silver oxide react…

A: Silver oxide decomposes into silver and oxygen gas. The equation for the balanced chemical reaction…

Q: If p= 782.4mmHg, Find V if n= 0.102mol; T= 26.2 C

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Q: What is the symbol of moles in the ideal gas equation? Select one: a. V b. R c. n d. P

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Q: Consider a gas mixture of nitrogen (N2) and methane (CH4) of total mass 80g. 31.14% of the total…

A: Total pressure of the gas mixture :-         Total pressure exerted by a mixture of ideal gasse…

Q: How many grams of phosphorus (P4) are needed to completely consume 16.6 L of chlorine gas according…

A: Given :-  Phosphorus (P4) (s) + chlorine (g)→ phosphorus trichloride (l) Volume of chlorine gas =…

Q: How many grams of phosphorus (P4) are needed to completely consume 81.0 L of chlorine gas according…

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Q: Natural gas consists primarily of methane, CH4(g).(a) Write a balanced chemical equation for the…

A: A chemical reaction involves the conversion of reactant molecule to product molecules. A balance…

Q: 0.646g of an unknown gas occupies 1.00 L when collected over water at 27°C and 95.00 kPa atmospheric…

A: Given, Mass of unknown gas = 0.646 g Volume of gas occupied = 1 L Pressure = 95 kpa Temperature =…

Q: A sample of dry gas weighing 2.31 grams is found to occupy 2.850 L at 22.0°C and 98.66 kPa. What is…

A: Use ideal gas equation  PV = nRT  P = pressure of gas  V= volume of gas  n= no of moles of gas  R =…

Q: 1. State Boyle's Law and Charle’s Law respectively with their corresponding mathematical expression…

A: In above question there are two parts in which I write in paper. In 1st Boyles law and Charles law…

Q: 10. If you could get the sim to go to zero Kelvin, what would happen to the molecules?

A: At absolute 0 , temperature i.e. 0K  the following change occurs in a molecule.

Q: 16. Three gases are in identical rigid containers under the conditions given in the table below. TH…

A: Q.16: The formula for kinetic energy (KE) of a gas molecule is:  KE = (3/2)*Kb*T  where Kb =…

Q: Carbon dioxide, which is recognized as the major contributorto global warming as a “greenhouse gas,”…

A: According to ideal gas equation:

Q: Pf = P;/2 A sample of an ideal gas at P, is initially confined to one chamber of the apparatus…

A: Entropy of a substance is defined as the randomness or disorder of the system. For any spontaneous…

Q: When limestone (solid CaCO₂) is heated, it decomposes into lime (solid CaO) and carbon dioxide gas.…

A: given CaCO3 solid =3.84 kg v= 500L T= 520.0 ;c find Kp

Q: How many grams of phosphorus (P4) are needed to completely consume 24.2 L of chlorine gas according…

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Q: If equal numbers of molecules of H2 (molar mass = 2), O2 (molar mass = 32), and N2 (molar mass = 28)…

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Q: Sketch three isochores for the same gas at three different volumes V1, V2 and V3 where V1 = V3 and…

A: A question based on chemical thermodynamics that is to be accomplished.

Q: If the average kinetic energy of the molecules in an ideal gas initially at 28°C doubles, what is…

A: Initial Temperature = 28°C or 301 K

Q: Ammonia burns in air as follows: NH3(g) + O2(g) → N2(g) + H2O(g) (unbalanced) If x liters of N2(g)…

A: A mole is defined as the amount of substance containing the same number of discrete entities (atoms,…

Q: 5.- Nitrogen gas occupies a volume of 4.30 L at 54°C. If its volume increased to 7.80 L at the same…

A: By applying Charles law : V1/T1 = V2/T2 where V1= 4.30L, T1 = 54degreeC              V2= 7.80L, T2 =…

Q: When heated, calcium carbonate decomposes to yield calcium oxide and carbon dioxide gas via the…

A: Given information,        CaCO3(s)→CaO(s)+CO2(g)

Q: Consider the following gas samples:   Sample A Sample B   S2(g) O2(g)     n = 1 mol n = 2 mol     T…

A: Sample A Sample B S2(g) O2(g) n = 1 mol n = 2 mol T = 800 K T = 400 K P =…

Q: Sulfur dioxide is an intermediate in the preparation of sulfuric acid. What volume (L) of SO 2 at…

A: Given, the chemical reaction for the burning of sulfur in oxygen is as…

Q: Some commercial drain cleaners contain a mixture of sodium hydroxide and aluminum powder. When the…

A: The given reaction is,            2NaOH(aq) + 2Al(s) + 6H2O(l) → 2NaAl(OH)4(aq) + 3H2(g) In this…

Q: You add 28 g of ice (H2O) at 0°C to 179 g of H20 (1) at 63°C at a constant pressure of 1.01 kPa.…

A: Given : Mass of ice = 28.0 g Initial temperature of ice = 0.0 oC Mass of hot water = 179.0 g And…

Q: Bromine can be prepared by the reaction of hydrogen bromide with manganese(IV) oxide as shown:…

A: Given: Mass of HBr= 17 g Standard data: The molar mass of HBr = 80.91 g/mol

Q: What happens to the average kinetic energy of gas when the particles of the gas collide against each…

A: The kinetic energy is that energy which is possessed by a moving particles and it is mathematically…

Q: Carbon dioxide, which is recognized as the major contributorto global warming as a “greenhouse gas,”…

A: According to ideal gas equation:

Q: DATA : Mass of Magnesium (g) 0.0525 g Volume of hydrogen gas (mL) 50.0 mL Temperature of hydrogen…

A: Answer:- This question is answered by using the simple concept of stoichiometry which involves the…

Q: Which molecules have the greater average speed or are they the same? b. Which molecules have the…

A: Molecular mass of O2 is 32 g/mol. Molecular mass of CO2 is 44 g/mol