A model steam engine of 1.00 kg mass pulls eight cars of 1.00 kg mass each. The cars start from rest and reach a in a time of 3.00 s while moving a distance of 4.50 m. During that time the engine takes in 153 J of heat. Calculate the change in the internal energy of the engine.

Q: A neutralization reaction occurs when 120.00 mL of 0.500 mol/L LIOH and 160.00mL of 0.375 mol/L HNO3…

A: Given, Molarity of LiOH = 0.500 M  Volume of LiOH in mL = 120.00 mL  Molarity of HNO3 = 0.375 M…

Q: calculate w for the engine.

A:

Q: An automobile engine provides 502 Joules of work to push the pistons and generates 2327 Joules of…

A: Given: Work done dW = -502 J (negative sign as system does wok) Heat energy dQ = -2327 J (negative…

Q: An automobile engine provides 581 Joules of work to push the pistons and generates 2167 Joules of…

A: The relationship between change in internal energy (∆E), heat (q) and work done (W) is given by…

Q: An automobile engine provides 552 Joules of work to push the pistons and generates 2208 Joules of…

A:

Q: An automobile engine provides 585 Joules of work to push the pistons and generates 2368 Joules of…

A: The first law of thermodynamics states that “the energy of an isolated system is constant”. It is…

Q: An automobile engine provides 510 Joules of work to push the pistons and generates 2202 Joules of…

A: Given : work done by system = 510 J              Heat release = 2202 J We know           ∆U = Q + W

Q: An automobile engine provides 638 Joules of work to push the pistons and generates 2293 Joules of…

A: Given- Work done (W) = 638 J Heat (Q)= 2293 J To find - ∆E in joules Formula - ∆E = Q + W

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: 1.63 Ib of gas is stored in a tank of 2ft3. If the internal energy decreases by 27.4 BTU as…

A: Mass of gas = 1.63 lb  Initial temperature = 200 F  Final temperature = 100 F  Change in energy = -…

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: 6000 joules of energy from the surroundings , what is the change in internal energy of the system it…

A: Internal energy of the thermodynamic system is the energy possessed by the system on account of heat…

Q: An automobile engine provides 541 Joules of work to push the pistons and generates 2137 Joules of…

A: According to first law of thermodynamics E = W + Q Where E = change in internal energy W = work Q =…

Q: 6. A neutralization reaction occurs when 120.00 mL of 0.500 mol/L L¡OH and 160.00mL of 0.375 mol/L…

A: #6: Since the 53.1 kJ heat energy is on the product side, heat is released during the reaction and…

Q: 1.7. 100 BTUS are absorbed by a gas while the gas expands and perform 700 BTUS of work. Calculate…

A:

Q: Lighters are usually fueled by butane(C4H1O). When 1 mole of butane burns at constant pressure it…

A: Given: Moles of butane= 1 mol Heat produced =2658 kJ Amount of work done=3 kJ  To Calculate: the…

Q: When determining the heat capacity of the unknown metal we assumed the heat capacity of water has a…

A: When determining the heat capacity of the unknown metal we assumed the heat capacity of the water…

Q: A 31.55 g iron rod, initially at 22.7 °C, is submerged into an unknown mass of water at 63.2 °C, in…

A:

Q: Iron pellets with total mass 17.0 g at a temperature of 92 °C are mixed in an insulated container…

A:

Q: An unknown metal object is at 161C and placed into 3500 mL of cold water. If the metal object has a…

A: Given : Volume of water = 3500 mL Mass of metal = 2700 g Final temperature of metal = 35 oC Initial…

Q: 9.2  An automobile engine provides 566 Joules of work to push the pistons and generates 2142 Joules…

A: In this question, we will calculate the change in internal energy ( ∆E ) of the system.  You can see…

Q: An air conditioner (AC) is a cooling device in which the inside of the house can act as the cold…

A: Work = power x time  = (1.7 x 103 W) x (24 hour) =(1.7 x 103 W) x (24x60x60 seconds) = 1.47 x 108 J…

Q: A balloon is inflated with air from an initial volume of 1.44E-1 L to 2.16E0 L against an external…

A:

Q: The combustion of fuel in a piston cylinder causes an internal energy change of –2.843E3 kJ. The…

A:

Q: An automobile engine provides 541 Joules of work to push the pistons and generates 2334 Joules of…

A:

Q: . Suppose a piece of metal at 90 °C is quickly transferred into a Styrofoam cup containing 212 grams…

A: Given :  Mass of metal = 196 gm  Mass of water = 212 gm  Specific heat capacity of water(sw) = 4.2…

Q: When 500 J of heat is added to a gas, the gas expands its volume from 0.0017 m3 to 0.0043 m3 at a…

A: Given:Volume V1 = 0.0017 m3 Volume V2= 0.0043 m3pressure = 144000 Pa

Q: Three moles of nitrogen at 30°C are contained in a container of a certain volume. If we ignore the…

A: Given: moles of nitrogen gas = 3 mol Initial temperature (T1) = 30° C Final temperature (T2) = 250°…

Q: When determining the heat capacity of the unknown metal we assumed the heat capacity of the water…

A: The heat capacity is defined as the amount of heat supplied to an object to produce a unit charge in…

Q: An automobile engine provides 528 Joules of work to push the pistons and generates 2362 Joules of…

A: Given, Work done by automobile , W = 528 J Heat generated , Q =2362 J

Q: A 44.0 g sample of an unknown metal at 99.0°C was placed in a constant-pressure calorimeter…

A:

Q: Copper has been used for thousands of years, either as a pure metal or in alloys. It is frequently…

A: Enthalpy change for the reaction recovering1.23 mol Cu is determined as follows,

Q: An automobile engine provides 553 Joules of work to push the pistons and generates 2294 Joules 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 ; change in internal energy is given by the sum of heat…

Q: An automobile engine provides 550 joules of work to push the pistons and generates 2120 joules of…

A: ∆W = -550 J (negative sign because the system is doing work) ∆Q = -2120 J (negative because heat is…

Q: S.) An experiment is conducted where 1.00g of water has an initial temperature of 25°C. A metal has…

A: Given, Mass of metal, mmetal = 5.00 g Initial temperature of metal, Tmetal = 100°C Specific heat of…

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 receives 75.0 joules of electric work, delivers 274.0 joules of expansion work and absorbs…

A: A system receive 75 joule of electric work amd deliver 274 joule of expansion work and it absorb 168…

Q: Calculate ΔE , if the system absorbs 7.24 kJ of heat from the surroundings while its volume remains…

A: Since the volume is remaining constant and we know that work done = -PΔV => Work = 0 as volume is…

Q: What mass of carbon monoxide must be burned to produce 175 kJ of heat under standard state…

A:

Q: 4. A 505 gram piece of copper tubing is heated to 99.0 °C and placed in an insulated vessel…

A: Heat capacity: The amount of heat required to increase the temperature of a substance by one-degree…

Q: Consider the reaction N2(g) + 3H2(g) → 2NH3(g) ΔHorxn = −92.6 kJ/mol  If 2.0 moles of N2 react with…

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

Q: 1 mole of an ideal gas is at 6 atm pressure, occupies 3 L and has an internal energy of 2735.1 J.…

A: Here the system undergoes two different paths.  Path-1 is constant volume process Path-2 is constant…

Q: A 32.6 g iron rod, initially at 22.7°C, is submerged into an unknown mass of water at 63.3 °C, in an…

A:

Q: of a temperature of 00 and a mass of 18 g in a beaker containing 150 g of water at a temperature of…

A:

Q: 1.) When determining the heat capacity of the unknown metal we assumed the heat capacity of the…

A: When determining the heat capacity of the unknown metal we assumed the heat capacity of the water…

Q: A system receives 575 J of heat and delivers 425 J of work. Calculate the change in the internal…

A: Given data  The system absorption heat energy= 575 J  The work done by the system = 425 J  Internal…

Q: "he combustion of fuel in a piston cylinder causes an internal energy change of -2.821E3 kJ. The…

A: According to firstaw of thermodynamics change is internal.energy is sum of heat change and work .

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

A: Here we are required to find the final temperature of water using the principle of calorimetry