9. What is the new temperature when 10L at 5 K is compressed to 4.00 L? O 2K 0.5 K 25 K 20 K

Q: 9. What is the new temperature when 10 L at 5 K is compressed to 4.00 L? 2 K 0.5 K 25 K 20 K

A: The question is based on the concept of gas laws. we have to apply Charles law to calculate the…

Q: How many calories are released when 58.4 g of steam at 144°C is cooled to -37.6°C?

A: Given: Mass of steam = 58.4 g Initial temperature = 144oC Final temperature = -37.6oC Specific heat…

Q: 10. How is the energy released from a system related to the energy absorbed by the surroundings?…

A: In any Physical or chemical reaction all energy released from the system is completely absorbed by…

Q: Benzene (C6H6) is an organic compound that boils at 80.1°C. If 100.0 grams of liquid benzene at…

A: The heat of Vapourisation is the amount of energy that must be added to the liquid substance to…

Q: Chlorine gas occupies a volome ofF7Lat 11°c.iFtS volume increased to 10.1L at volom the same…

A:

Q: 6.56 Is AH positive or negative when 1 mol of water vapor con- denses to liquid water? Why? How does…

A: For an endothermic reaction, ∆H is positive whereas for an exothermic reaction, ∆H is negative

Q: What is the temperature in deg C of 2 L water at 30 C after 500 cal of heat have been added to? a.…

A:

Q: Fifty grams of H2O is cooled 75C to 50degreeC. 1. what is the amount of heat involved in this…

A: Given that:                                Mass of water = 50 g                Initial temperature…

Q: 5. How much heat must be,removed from 15.5 g of water at 90.0°C to cool it to 43.2°C? 30353

A:

Q: In the  attached figure, liquid water is vaporizing into steam.

A: Water is a molecule comprising hydrogen and oxygen. The molecular formula of water is H2O. It has a…

Q: The combustion of methane is CH4 + 2O2 → CO2 + 2H2O  ΔH = -802 kJ/mol How much heat is produced…

A: • The given reaction is,    CH4 + 2O2 → CO2 + 2H2O ; ΔH = - 802 kJ/mol      • The values provided…

Q: The diagram below represents a typical PV diagram: a) indicate the physical state of A b) indicate…

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Q: at the three pictures below. If each of these pictures rep- resents a gas at 85°C. which of thr…

A: Calculation of energy required to convert ice at 0˚C to water at 0˚C:

Q: How many grams of a 0 C ice must be added to 350 ml of water (which is at 20 C) to bring the final…

A:

Q: A drum used to transport crude oil has a volume of 185.0  L. The drum is filled with steam at a…

A: Given: Volume of flask = 185.0 L The initial pressure of the gas = 1.14 atm. The initial temperature…

Q: 12.2 Lx 2.45 atm 359 k x 0.0821 L atm mol x k

A: The result of multiplication or division should be rounded to least number of significant figures…

Q: N2(g) + 3H2(g)2NH3(g) + heat 1) Ammonia (NH3) is added. shift to the left 2) Nitrogen gas (N₂) is…

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Q: What would be the final temperature if 55.0g of H2O at 30 degrees Celsius is added to 45.0g of H2O…

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Q: You have a flask of a certain liquid gas at a temperature of -189°C. You then heat the gas until its…

A: Given that, Initial temperature = -189 °C  Final temperature = ?

Q: Calculate the amount of heat needed to boll 84.5 g of acetic acid (HCH, CO₂), beginning from a…

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Q: thermometer A sample of polystyrene, which has a specific heat capacity of 1.880 J-g¯°c¯³, is put…

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Q: Calculate the amount of heat needed to raise the temperature of 2.34moles of pure liquid ethanol…

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Q: How many joules of energy are needed to change 65.00 g of water from -38.0°C to steam at 115.0°C?

A: Given that : Mass of water (m) = 65 g Initial temperature = -38.0°C Final temperature = 115.0°C The…

Q: energy is required

A:

Q: What is the melting point of benzene in kelvin if AH = 9.95 kJ/mol and AS = 35.7J(K*mol)? %3D

A: At exact melting there will a equlibrium will be Exist between benzene will be equlibrium in one…

Q: The heat of fusion for water is 80. Cal/g. How many calories of heat are released when 20.0 g of…

A: Given: Mass of water = 20 g The heat of fusion for water = 80 cal/g

Q: Three 1.00 L flasks at 25.0 °C and 1 atm pressure contain: CH4 (flask A), CO2 (flask B) and NH3…

A: The ideal gas equation is as follows,                                                   P V = n R T…

Q: 3. How much heat is absorbed when 11.2 grams of graphite is heated from 22.0 °C to 55.0°C if the…

A: heat absorbed, q = ms∆T                             = 11.2 g x 0.170 cal/goC x ( 55.0 - 22.0 ) oC…

Q: The melting point of chloroethane, CH3CH2Cl, is -136°C and its boiling point is 12°C. Is…

A: STP stands for standard temperature and pressure. at STP temperature will be 0°C and pressure will…

Q: How many calories are given off by 5 grams of 100 deg C steam that changes phase to 5 g of ice at 0…

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Q: A 25.1 L tank of methane (CH4) is at 329 K with an internal pressure of 1.91 atm.  How many grams of…

A: Ideal gas law is the equation which obeys gas laws under all condition of temperature and pressure.

Q: At which portion(s) on the graph below is the average kinetic energy of the water molecules…

A: from graph Avg Kinetic energy of the Water Molecules become constant on position g and k So option…

Q: Consider the following water and planetary data: Earth surface temperature: 20.0°C Mars surface…

A: Given: The surface pressure of mars and earth is 0.011 atm and 1.0 atm, respectively. The enthalpy…

Q: 1. A balloon is filled with 3.0 L of helium at 310 K. The balloon is placed in an oven where the…

A: Intial                                 final  Volume = (V1) =3L     Volume = (V2) =? L…

Q: How much heat (in kJ) is required to convert 49.6 grams of butane (C4H10) from an initial…

A:

Q: How many joules of energy are needed to change 125.00 g of water from 15.0°C to steam at 100.0°C?

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Q: Two 20.0 g ice cubes at −15.0 ∘C−15.0⁢ ∘C are placed into 285 g285 g of water at 25.0 ∘C.25.0⁢ ∘C.…

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Q: What is the change in temperature of a 2.50 L system when it is compressed to 1.60 L if the initial…

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Q: Based on the following figure, select the physical change that occurs when: Pressure 1.50 atm- 1.00…

A: To determine the physical change , we would check the physical state at initial and final condition…

Q: How much water at 0°C is added to 300 g of water at 100°C to make the temperature 60°C? а. 100 g b.…

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Q: Calculate the amount of heat, in calories, that must be added to warm 70.9 g of brick from 19.3 °C…

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Q: insulated container A sample of polystyrene, which has a specific heat capacity of 1.880 J-g ¹.C¹,…

A: Heat lost by polystyrene will be equal to heat gained by water.   Equation for heat energy ( q ) is,…

Q: 34 - Under what conditions does N2 gas come closest to ideality?    a) High pressure and high…

A: in this question given that,  under the condiction does N2 grass comes close to ideally,

Q: What is the boiling point of the unknown substance Xin K(Kelvin)? X(e) = X(g) AH;°(kJ mol-1) S°(J…

A: In this problem, we are required to calculate the boiling point of liquid X given that the enthalpy…

Q: A 154.1 gram sample of an unknown substance (MM = 189.50 g/mol) is cooled from 233.0 °C to 147.6 °C.…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: The formation of gaseous phosphorus trichloride is shown below:   P4 (g) + 6 Cl2 (g) → 4 PCl3 (g)…

A: The balanced reaction taking place is given as, => P4 (g) + 6 Cl2 (g) → 4 PCl3 (g)…

Q: How much heat is absorbed when 4.0 grams of steam (H,O (g)) is heated from 120°C to 160°C? Cwater(g)…

A: To solve this problem we will use the formula  Q = mc∆T  Where,  Q = heat absorbed  m= mass of water…

Q: At what temperature does water freeze in kelvin? 100 K O 273 K O OK

A: Freezing Point of Water: The freezing point of any substance describes the point for the liquid to…

Q: (Q46) How much heat (in kJ) is released when 32.2 grams of liquid bromine (Br2) is cooled from an…

A: