A balloon is inflated with air from an initial volume of 1.44E-1 L to 2.16E0 L against an external pressure of 1.02E0 atm. If no heat is transferred in this process, then what is the change in internal energy in J of the air in the surroundings?

Q: A small piece of calcium carbonate was placed in a constant-volume calorimeter (Ccal=0.488  kJ/°C),…

A: Given data :  1. Ccal=0.488 kJ/°C 2. Change in temperature = 3.5 oC

Q: Which of the following conditions for q and w represent a system gaining heat from the surroundings…

A: Endothermic reaction is a reaction where heat is absorbed by the system from the surroundings.

Q: A gas expands and does 256 J of work on its surroundings. At the same time it absorbs 220 J of heat…

A:

Q: A piston compresses the air in the cylinder by doing 84J of work on the air. As a result, the air…

A: Given,  What is change in internal energy = ΔU = ?

Q: The air within a piston equipped with a cylinder absorbs 565 J of heat and expands from an initial…

A: Internal energy is the total energy present within a given system, which includes the kinetic energy…

Q: A 30.14-g stainless steel ball bearing at 117.82°C is placed in a constant-pressure calorimeter…

A: In this process, the heat absorbed by the water is equal to heat release by the stainless steel…

Q: a system performs 274.0 Joules of expansion work while absorbing 168.0 joules of heat. how many…

A: According to first law of thermodynamics the relationship between change in internal energy, heat…

Q: 5.2 b Calculate the magnitude of q for a system that does 7.05 × 105 kJ of work on its surroundings…

A: From given data W = -7.05×105 kJ ∆U = -9.55×103 kJ W is negative because work is done by system on…

Q: Consider the dissolution of CaCl2 : CaCl2 (s) → Ca2+ (aq) + 2CI- (aq) ΔH = -81.5 Kl  An 11.0-g…

A: Given: mass of CaCl2 = 11.0 g. mass of water = 125 g Initial temperature = 25 °C  Specific heat…

Q: air in an infiated balloon in car on hot summer day absorbs As it expands, it does 2. of work. First…

A: Given work done is 77KJ

Q: Consider the following reaction: 2Mg(s) + 02(g) → 2M90 AH = -1204kJ How many kilojoules of heat are…

A: 1- First we will calculate the  moles of MgO(s)  moles = [ mass / molar mass ]  moles = [ 7.50g /…

Q: Assume that a particular reaction evolves 244kJ of heat and that 35kJ of PV work is gained by the…

A: Given that: Heat evolved (q) = -244 kJ (negative sign indicate that heat is released) P∆V = -35 kJ…

Q: . What is the change in internal energy of the system (AU) if 82 kJ of heat energy is absorbed by…

A: According to the first law of thermodynamics, the internal energy is equal to the sum of heat…

Q: A piston performs work of 217 L atm on the surroundings, while the cylinder in which it p,aces…

A: Record the given data,   Work done w = 217 L atm   Piston expands from 8L to 24 L.

Q: When 1 mol of a gas burns at constant pressure, it produces2418 J of heat and does 5 J of work.…

A: When a gas burns at constant pressure we have P = constant. So, Pext = P of the gas container We…

Q: What is the ΔHsoln for KF?

A:

Q: During a certain chemical reaction 270 J of heat is absorbed by the system and 500 J of work is done…

A: △U = q-w  ∆U = change in internal energy q = heat absorbed by the system w = work is done

Q: Given delta U= q + w, if 13 kJ of heat was absorbed by a system and 9kJ of work was done on the…

A: Internal energy is the total energy of a system that consists of kinetic and potential energies. The…

Q: Calculate the change in the internal energy for a process inwhich a system absorbs 140 J of heat…

A: The relationship between the change in internal energy, heat absorbed and work done on the system is…

Q: If 4.771 mol of a material produces 775.5 kJ of heat in a reaction, determine the molar enthalpy for…

A: Molar enthalpy for a reaction if it is an exothermic reaction is the heat produced per 1 mole of the…

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

A:

Q: Why not all endothermic processes that do work on the surroundings have the same sign for internal…

A: Endothermic processes are the processes which absorb heat energy from the surroundings. These…

Q: A piece of metal of mass 18.0g at 100 degrees Celsius is placed in a calorimeter containing 50.2…

A:

Q: Calculate the value of internal energy if 670J of heat energy is absorbed by the surrounndings and…

A:

Q: What is the change in internal energy of a system that absorbs 600 KJ of heat energy at the same…

A: Given,  a system that absorbs 600 KJ of heat energy at the same time does 450 KJ of work. Therefore,…

Q: Which of the following which is/are true about the internal energy, E?   (i) The total energy of…

A: Internal Energy is defined as energy dissociated with the random, disordered motion of Molecules.

Q: 1. What is the sign of q and w if heat is released from the system and work is done by the…

A: As the heat is released from the system that mean system lost some heat to the surroundings. So, q…

Q: A chemical reaction is run in which 572Joules of work is done on the system and the internal energy…

A: Given W = + 572 J (work is done on the system) ΔU = +438 J Using the first law of thermodynamics…

Q: Calculate q, and determine whether heat is absorbed or released when a system does work on the…

A: Sign convention: Work done by the system on the surrounding = negative (-) Work done on the system…

Q: a system recieves 425J of heat and delivers 425J of work toits surroundings. what is the change in…

A: Given Heat ( q ) = +425 J ( as heat is received to system ) Work ( w) = +425 J ( as work done by…

Q: For a process, 153 J of heat was released by the system and 267 Jof work was done on the system.…

A:

Q: A piece of metal of mass 12 g at 107 ◦C is placed in a calorimeter containing 55.7 g of water at…

A: Given : Mass of water = 55.7 g Mass of metal = 12 g Initial temperature of water = 20 oC Final…

Q: What is the change in internal energy for a reaction producing 65.0 joules of heat by doing 38.0…

A:

Q: When 2.76 g of cesium perchlorate (CsClo,) is dissolved in 103 g of water in a styrofoam calorimeter…

A:

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

A: Given:Heat (q) = 50 J        Work (W) = 175 J since, work is done on the system which means energy…

Q: What is the change in the internal energy of the system if the surroundings releases 300J of heat…

A:

Q: The internal energy of a gas decreases by 1.65kj when it transfers 1.87kj of energy in the form of…

A: Interpretation: The work done on the gas by the surroundings is to be determined. Concept…

Q: In a constant-volume calorimeter containing 1500.0 mL of water, a 143.9-gram piece of iron (Fe) rod…

A: Given: Volume of water = 1500.0 mL  Mass of iron = 143.9 g. Initial temperature of water = 17.11 oC…

Q: Submit A system expands from a volume of 1.00L to 2.00 L against a constant external pressure of…

A:

Q: Suppose we have a closed, un-isolated system. When 483 J of heat was introduced to the system, it…

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

Q: A system gains 727 kJ727 kJ of heat, resulting in a change in internal energy of the system equal to…

A: As we know; deltaU = Q + W  where delta U is change in internal energy  Q = heat produced  W =…

Q: 230 BTUs are absorbed by a gas while the gas expands and perform 610 BTUs of work. Calculate the…

A: Given: Heat absorbed by the gas = 230 BTUs  And the amount of work done by the gas = 610 BTUs.

Q: A system does 435 kJ of work(w) and loses 312 kJ of heat(q) to the surroundings. What is the change…

A:

Q: In an isolated system 1000 J of heat is added to an ideal monatomic gas, while the gas performs 500…

A: From data Q= +1000J (positive as it is positive in case of heat is added to system as per chemistry…

Q: An automobile engine provides 551 J of work to push the pistons and generates 2250 J of heat that…

A: According to first law of thermodynamics, the change in internal energy of a reaction is equal to…

Q: A sample of 0.562 g of carbon is burned in oxygen in a bomb calorimeter, producing carbon dioxide.…

A: Given: Mass of carbon = 0.562 g Initial temperature = 26.74°C Final temperature=27.93°C To find; The…

Q: A system initially at 1.50L changes its volume under an external pressure of 0.988atm while…

A: Given data:

Q: the difference between changes in enthalpy and internal energy for the explosion of…

A: Nbh

Q: A system does 435 kJ of work(w) and loses 312 kJ of heat(q) to the surroundings. What is the change…

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

Q: If a system has 5.00×102 kcal5.00×102 kcal of work done to it, and releases 5.00×102 kJ5.00×102 kJ…

A: Given Data : Work done (w) = 5.00 × 102 kcal heat (q) = 5.00 × 102 kJ