The work done to compress gas is 83.0 J. As a result, 33.0 J of heat is given off to the surroundings. Calculate the change in energy of the gas.

Q: A change in a system occurs such that 92.1 J of heat flows in to the system and 31.8 J of work is…

A: From the first law of thermodynamics, ∆U = Q - W where, ∆U = change in internal energy  Q = heat…

Q: A 48.4-g sample of an unknown metal at 100.0 °C is placed in a constant-pressure calorimeter…

A:

Q: One piece of copper jewelry at 105°C has exactly twice the mass of another piece, which is at…

A: Given data:

Q: What is the change in internal energy of a system if the system (a) absorbs 58 J of heat and does 58…

A: Given information, (a) System absorbs 58 J of heat and does 58 J of work (b) System absorbs 125 J of…

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A: Mass of copper, MCu = 60.04 g Mass of water, Mw = 79.22 g Initial temperature of Copper, TCu = 97.70…

Q: The work done to compress a gas is 74 J. As a result, 26 J of heat is given off to the surroundings.…

A: Note - Since you have asked multiple question, we will solve the first question for you. If youwant…

Q: A system gains 647 kJ of heat, resulting in a change in internal energy of the system equal to +226…

A:

Q: What is the internal energy of the system that releases 180 J of energy to the surroundings in the…

A:

Q: ick Prep Use the References to access important values if needed for this question. -gas is…

A: According to the first law of thermodynamics, energy is neither created nor destroyed. Hence the…

Q: 4. A system undergoes a process consisting of the following two steps: Step 1: The system absorbs 73…

A: Q = ∆E + W For work done on the system: W = -ve For work done on by the system: W = +ve

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: A gas compresses from an initial volume of 12.7 L to a final volume of 1.53 L against a constant…

A:

Q: A gas that works on the surroundings is equal to 432 J. At the same time, it absorbs 87 J of heat…

A: Work done by the gas on the surrounding means, the energy is reduced from the gas. Heat absorbed by…

Q: A sample of gold absorbs 34.8 kJ of heat, resulting in a temperature rise of 65.0°C, determine the…

A:

Q: 12. The work done to compress a gas is 80 J. As a result, 20 J of heat is given off to the…

A: Given:-  As compression of gas, therefore work will be positive          w=+80J  And heat is given…

Q: The table lists the specific heat capacities of select substances. Substance Specific heat…

A: The specific heat capacity is calculated using formula,

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.54 kg sample…

A: q = amount of heat required to raise the temperature = 19.6kJ = 19600J Initial temperature = Ti =…

Q: A 4.42-g sample of Colorado oil shale is completely burned in a bomb calorimeter, which causes the…

A: A particular amount of the sample is burned in the calorie meter and heat of combustion is…

Q: 6. The work done to compress a gas is 74 J. As a result, 26 J of heat is given off to the…

A:

Q: In a gas expansion,  9.0  ×  101  J of heat is absorbed by the system, and the energy of the system…

A: According to the first law of thermodynamic;

Q: An 80.0 g sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was…

A:

Q: The work done to compress a gas is 67.0 J. As a result, 29.0 J of heat is given off to the…

A: Given, work done, w = +67.0 J Heat, q = -29.0 J

Q: An experiment was conducted to determine the specific heat of platinum.  It was determined that…

A: Heat required to raise the temperature = 158.8 Joules. Mass of a sample = 50.0 g  Initial…

Q: The work done to compress a gas is 74J. As a result, 26J of heat is given off to the surroundings.

A: First law of thermodynamics states that heat energy cannot be created or destroyed. It can be…

Q: The work done to compress a gas is 74 J. As a result, 26 J of heat is given off to the surroundings.…

A: Given ; energy added by work = 74 J              Energy given to surrounding = 26 J

Q: The work done when a gas is compressed in a cylinder is 572.0 J. During this process, there is a…

A: Change in internal energy of a system during compression of a gas can be calculated by using the…

Q: . A 0.888 g sample of pentane, CSH12 is burned in a calorimeter with a specific heat capacity of…

A: Given: Mass of water = 1.20 Kg = 1200 g                                      (Since 1 Kg = 1000 g)…

Q: An 80.0 g sample of a gas was heated from 25 "C to 225 "C. During this process, 346 J of work was…

A:

Q: Four different substance each have identical masses. The specific heat capacities of these four…

A: The quantity of heat required to alter the temperature of a unit mass of a substance by one degree…

Q: The work done to compress a gas is 122 J. As a result, 31 J of heat is given off to the…

A:

Q: A system does 100 J of work on the surroundings while absorbing 300 J of heat from the surroundings.…

A: Given that  Heat absorbed (Q) = 300J

Q: Which statement is true of the internal energy of the system andits surroundings following a process…

A: The change internal energy is positive that is ∆Esys=+65 kJ.

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: What mass of natural gas (CH4) must burn to emit 267KJ of heat? CH4 (g) + 2 O2 (g) -------> CO2…

A: Given, The mass of natural gas (CH4) must burn to emit 267KJ of heat is: CH4 (g) + 2 O2 (g)…

Q: A system absorbs 140 J of heat from the surrounding and 85 J of work is done on the system by…

A: A system absorbs 140 J of heat from the surrounding and 85 J of work is done on the system by…

Q: resulting

A: ∆U = q + w  Where : ∆U = change internal energy = +166kJ  Heat(q) = +762 kJ ( positive value because…

Q: The work done when a gas is compressed in a cylinder is 455 J. During this process, there is a heat…

A: To find the energy change, we need to use the formula which contains change in energy, work done and…

Q: In an experiment, 30.0 g of metal is heated to 98.0°C and then quickly transferred to 50.0 g of…

A: The weight of metal is 30.0 g. The initial temperature of metal is 98.0˚C.   The weight of water is…

Q: An 80.0 g sample of a gas was heated from 25 ∘C to 225 ∘C. During this process, 346 J of work was…

A: The heat transferred during the reaction can be determined from the given equation. The temperature…

Q: The work done to compress a gas is 70 J.  As a result, 25 J of heat is given off to the…

A: Work done to compress = Work done on the system And work done on the system is taken with a positive…

Q: What is the change in internal energy of a system that has 682 J of work done on it and gives off…

A: Given w = + 682 J ( as work is done on the system) q = -485 J ( as heat is given off )

Q: In an experiment, 138 g of graphite is heated to 90.0°C and then quickly transferred to 150.0 g of…

A: The heat released by graphite (q1) is determined using equation (1) as follows:

Q: For the following processes, calculate the change in internal energy of the system and determine…

A:

Q: In a gas expansion, 74 J of heat is absorbed from the surroundings, and the energy of the system…

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

Q: A gaseous system has 71 J of work done on it by surroundings and increases its internal energy by 69…

A:

Q: 9.86 J of heat, upon which the temperature of the sample increases from 23.2 °C to 30.5 °C. Since…

A: Let 'm' is the mass of the sample of aluminium metal.

Q: An experiment was conducted to determine the specific heat of platinum.  It was determined that…

A: We have to calculate the specific heat (J/g°C) of platinum.

Q: An 80.0 g sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was…

A: Given data, Work done = 346 J Mass of the sample = 80 g Internal energy increased by 7115 J

Q: 1. Find the change in internal energy, when 175 J of work is done on a system that evolves 50 J of…

A: The expression for the change in internal energy is ΔU=q+w.......(1). Where, ΔU represents heat…

Q: The work done to compress a gas is 69.0 J. As a result, 37.0 J of heat is given off to the…

A: Given, Heat given off q = 37 J , work done w = 69 J , change on energy ∆U = ?