How much work does a gas do when it expands against a vacuum from a volume of 50.00 mL to a volume of 350.00 mL? (101.3 J = 1 L atm) Select one: a. 15.2 J b. 0.150 J c. −15.2 J d. −0.152 J e. No work is done by the system.

Q: ch heat

A:

Q: The heat capacity of silver (Ag, 107.9 g mol-1), is 0.232 Jg K-1. Calculate the energy needed to…

A: Given:-         Heat capacity CP=0.232 J/g‐K                                      q=?        No.…

Q: How much work, w, must be done on a system to decrease its volume from 10.0 L to 3.OL by exerting a…

A: Given, Initial volume = 10 L Final volume = 3 L Pressure = 6 atm

Q: Calculate the change in internal energy and indicate whether the energy of the system has increased…

A: #2: The change in internal energy(∆U), heat(q), and work done(w) are related through the 1st law of…

Q: The AE of a system that absorbs 252.4 J of heat and has 120.8 J of work done on it by the…

A: According to first law of thermodynamics  ∆E=Q-W where  Q = heat absorbed by system              W =…

Q: A 20.0-g sample of water cools from 30°C to 20.0°C, which transfers 840 I to the surroundings. No…

A:

Q: 3. A paraffin wax candle weighs 10.553 grams. The candle is lit and then immediately placed in a…

A: 3. Given, Initial mass of a paraffin wax candle = 10.553 g. Amount of water in calorimeter = 125 g.…

Q: 100 J of heat is released by the system and it does 100J of work. Which of the following is true? A.…

A: When energy is released from the system to the surroundings, the sign is negative while it is…

Q: The AU of a system that absorbs 12.4 J of heat and does 4.2 J of work on the surroundings is J. O…

A: Detail mathematical calculation is shown below to find out the change in internal energy

Q: A gas expands from a volume of 0.754 L to 3.25 L against a constant pressure of 1.15 atm. What is…

A: Nearest value is  -2. 91J so first option seems to be correct.

Q: which of the ff will always result in an endothermic process a. work done on the system, heaet…

A: As the reaction is endothermic means enthalpy of the reaction is positive. Means by the reaction,…

Q: If 10 L of an ideal gas at a pressure of 2 atm is cooled s

A: To calculate how much work a gas has done (or) has done on it against a constant external pressure…

Q: 9. If 10 L of an ideal gas at a pressure of 2 atm is cooled so that it contracts 1 at constant…

A:

Q: A system did 150 kJ of work and its internal energy increased by 60 kJ. How much energy did the…

A:

Q: A gas absorbs 30.0 J of heat and then performs 77.0 J of work. What is the change in internal energy…

A: Given that ,  Heat absorbed by a gas (q) = 30.0 J  Work performed by the gas (W) = 77.0 J  Change in…

Q: The surrounding absorbs 50J of heat as it does 32J of work on the system. Which among the choices is…

A:

Q: Substance "C" is identified to have a specific heat capacity of 0.452 J/(g.°C). Which substances…

A: Answer: Specific heat capacity of the substance is defined as the amount of energy added into the…

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: 7. For the following scenarios what is the metal? a. A piece of metal weighing 59.047 g was heated…

A: Given,a, mass of metal = 59.047 gInitial temperature of metal = 100.0 oCvolume of water = 100.0…

Q: What is the change in internal energy of the system (in J)?

A: From the first law of thermodynamic we know that ,     du=dq+dw where du = change in internal energy…

Q: What is the change in energy associated with increasing the temperature of 81.7g water from 20°C to…

A: We will use formula of heat energy

Q: Which of the following characterizes an endothermic process in the styrofoam calorimetry experiment?…

A: The energy difference between the products and reactants is known as the energy change of a…

Q: Which statement/statements are true about thẻ system? a. Heat absorbed by the system (endothermic…

A: System: It is the part or body which contains walls that surround the matter, substances, or…

Q: Which statement is true of the internal energy of the system and its surroundings following a…

A: Internal energy of a system is the summation of potential and kinetic energy of that system. Or the…

Q: A gas forming reaction produces 5.15 L of gas against a constant pressure of 0.985 atm.  Calculate…

A: The work done by the gas when the change in volume and pressure has been given can be calculated by…

Q: Consider: 2Al (s) + Fe203 (s) 2 Fe (s) + Al203 (s) in which AHO = -850. kJ. How many grams of Al are…

A: Given: 2Al(s) + Fe2O3(s) -----> 2Fe(s) + Al2O3(s).    ∆H = -850kJ

Q: When 500 J of heat is added to a gas, the gas expands its volume from 0.0019 m3 to 0.005 m3 at a…

A: Change in volume = 0.005 m3 – 0.0019 m3 = 0.0031 m3

Q: Suppose a system returns to its original internal energy after the following changes. In step 1, 25…

A: It is given that in first step system releases 37 J of energy which means q = -37 and the work is…

Q: 100 g of water at 86 °C is mixed with 200 g of water at 20 °C. What is the final temperature of the…

A:

Q: 2.5 x 10° Kg of hydrogen gas is heated from 17.0°C to 23.0°C. The specific heat capacity of hydrogen…

A:

Q: Calculating pressure-volume work A mixture of krypton and argon gas is compressed from a volume of…

A:

Q: How much heat is required to raise the temperature of a 75.0 gram sample of Titanium from 46.OC to…

A: The required amount of heat to increase the temperature of a compound can be determined by the…

Q: Select the correct statement that is true for a chemical reaction where ΔHrxn = +222 J A. Both the…

A: If delta H reaction is + then it is endothermic reaction and heat is heat is require by system. If…

Q: How much work in k3 is done when an 144.22 L piston is compressed to 61.47 L against an external…

A:

Q: Which Slatement is True? O a. The heat capacity of a substance does not depend on the amount of…

A: extensive properties are the properties which depends upon the amount of the substance , heat…

Q: Calculate the work done when a gas is compressed from 121.0 L to 80.0 L at a constant pressure of…

A: work don by the gas at constant pressure is given by  W = -PΔV where W = work done by gas P =…

Q: 100 g of water at 86 °C is mixed with 200 g of water at 17 °C. What is the final temperature of the…

A: apply the concept ,  heat taken = heat given

Q: When 5.88 g of copper is heated from 17.6℃ to 485.0℃, what is the value of q? The specific heat…

A:

Q: A mixture of xenon and oxygen gas is compressed from a volume of 99.0 L to a volume of 98.0 L, while…

A:

Q: As a 15.1-gram sample of a metal absorbs 48.75 J of heat, its temperature increases 25.0°C. What is…

A: Given that: Mass of sample (m) = 15.1 g Heat (q) = 48.75 J Change in temperature (∆T) = 25°C…

Q: 12. The work done to compress a gas is 50 J. As a result, 20 J of heat is given off to the…

A: Work done to gas = +50 J  Heat lost = -20 J

Q: 56. How much work is done when a gas expands from an initial volume of 112 mL to a final volume of…

A: The objective of this question is to calculate the work done when a gas expands from an initial…

Q: An expanding gas does 171 J of work on its surroundings at a constant pressure of 1.02 atm. If the…

A: Applying formula  w = -pΔV where w = work done on its surrounding  p= pressure , ΔV = change in…

Q: A system receives 525 J of heat from its surroundings and delivers 465 J of work to its…

A:

Q: In a certain process, 500 J of work is done on a system, which gives off 200 J of heat. What is the…

A:

Q: 15

A: Given : Work = 613 JHeat generated = 2390 J Required :Change in Internal Energy  Formula to be used…