Calculate the change in internal energy ( E) for the system that is giving off 45.0 kJ of the heat and is performing 855 J of work on the surrounding A. 44.1 kJ B. -44.1 kJ C. -45.9 kJ D. 9.00 x 10^2 kJ E. -6.00 x 10^2 kJ

Q: lution of HI was found to have a pOH of 13.35 at 25 °C. What is the concentration of HI? a. 0.52 M…

A:

Q: A system moves from state X to Y via path 1as shown in figure. 100 joules of heat is absorbed by the…

A:

Q: A 6.620g sample of C12H24(l) was burned in a bomb caloriemter whose heat capacity had been…

A: Given: Mass of C12H24 is 6.620 g Molar mass is 168.319 g/mol Mass of water is 1250.0 g Initial…

Q: 650 J of work is done when a gas is compressed in a cylinder. During this process, there is a heat…

A:

Q: Calculate the change in internal energy ( E) for a system that is giving off 25.0 kJ of the heat and…

A: Solution- Work agaist constant pressure w= -p∆VW=-1.50atm×6.00L-12.00LW=9L atmW=101.3 JL atm×9L atm=…

Q: If a system has 225 kcal of work done to it, and releases 5.00×102 kJ of heat into its surroundings,…

A: The internal energy change is expressed as follows, ∆U=q+W From given information it is clear that…

Q: Calculate the quantity of heat required to increase the temperature of 1.0 kg brass statue standing…

A: We know that, the heat absorbed  or released is given by : Q = m × C × (T 2 - T 1) Where Q = heat…

Q: A certain closed system absorbs 150 J of heat and does 210 J of work. Which of the following about…

A: Given that : Amount of heat energy absorbed = 150 J Work done by the system = 210 J We have to…

Q: Imagine some helium in a cylinder with an initial volume of 1 liter and an initial pressure of 1…

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

Q: Calculate the internal energy of the system that absorbs 50 kJ of heat and 165 kJ work done by the…

A:

Q: Compressing a sample of ideal gas irreversibly requires 1.8 kJ of work to be done on the sample of…

A: a) By convention, when work is done on the gas (system) by the surroundings, the work is positive.

Q: Calculate the internal energy change for a system that first she does volume from 1.23 L to 4.71 L…

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

Q: Calculate the change in internal energy (ΔE) for a system that is giving off 25.0 kJ of heat and is…

A: Heat given Q = 25.0 kJ  Initial volume Vi = 12.00 L  Final volume Vf = 6.00 L Constant pressure P =…

Q: air in an inflated balloon (system) is warmed and absorbes 665. J of heat the surroundings also…

A:

Q: A 7.00 g sample of liquid water at 25.0 °C is heated by the addition of 147 J of energy. The final…

A: Heat absorbed by water  = mass of water × Specific heat capacity × temperature change  Temperature…

Q: 20.) Calculate for the heat evolved in one mole of glucose (180.56 g/mol) if 3.00 g was ignited in a…

A: Heat evolved at constant volume = C × ΔT × mol-1  C = Heat capacity  ΔT  = change in temperature…

Q: The human body "burns" glucose (CgH120 for energy. Burning 1.00 g of glucose produces 15.7 kJ of…

A:

Q: Given a system that absorbs 500 kJ of heat while doing 400 kJ of work, find the change in its…

A: Dear student since you have asked multiple questions but according to guidelines we will solve 1st…

Q: Calculate the change in internal energy (ΔE) for a system that is giving off 45.0 kJ of heat and is…

A:

Q: done against the system during compression of a gas, at the same time 385 J of heat is released from…

A: Answer  Apply 1st law  of thermodynamics  U  =  Q + W

Q: A 2.50 g sample of powdered zinc is added to 100.0 mL of a 2.00 M aqueous solution of hydrobromic…

A: Given:- •2.50g of sample of zinc powder • 100ml of 2M HBr solution. •Total heat capacity of…

Q: Calculate the quantity of heat required to increase the temperature of 1.0 kg brass statue standing…

A: Q = ms∆T here  Q = heat transfer  m= mass  s = specific heat ∆T = temperature difference

Q: A gas is expanded in a cylinder from a volume of 2 L to 22 L by a constant pressure of 2 atm.…

A: As the gas is extended here at a constant pressure. So the work done for isobaric process is given…

Q: 1.0 mol of an ideal gas at an initial pressure of 1 atm is expanded from 1.0 L to 2.0 L isothermally…

A:

Q: For the following questions, consider the isothermal compression of a 2.0 mol sample of ideal gas…

A: The ideal gas under study is undergoing isothermal compression, that means the compression takes…

Q: .A chunk of nickel weighing 18.5 grams and originally at 97.36°C is dropped into an insulated cup…

A:

Q: a system has 2.00×10^2 kcal of work done to it, and releases 5.00×10^2 kJ of heat into its…

A: The question is based on the concept of chemical thermodynamics. we have to calculate internal…

Q: If 54.0 g argon at 400 K is compressed isothermally and reversibly from a pressure of 1.50 to 4.00…

A: The work done in an isothermal process is given by, w=-nRTlnP2P1 where n is the number of moles, R…

Q: Compute for the value of internal energy if a 498 J of heat energy is absorbed by the surroundings…

A:

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

A:

Q: What is the change in internal energy for a system undergoing an endothermic process in which 29.2…

A:

Q: A 2.50 g sample of powdered zinc is added to 100.0 ml.L of a 2.00 M aqueous solution of hydrobromic…

A: Given that Mass of zinc = 2.50 gTotal heat capacity = 448 J/KIncreases in temperature = 21.1 K To…

Q: calculate the change in internal energy for a system that is giving off 38.8 J of heat and is…

A:

Q: A lead bullet with a mass of 7.8 g and a velocity of 5.0 x 104 cm/s strikes a 1.0 kg wooden block…

A: Given: mass of bullet = 7.8 mass of wood = 1.0 kg = 1000.0 g initial temperature = 25 °C velocity =…

Q: A gas is cooled by removing 25 kJ of heat from the gas.  As the volume decreases, the surroundings…

A:

Q: A system has a constant volume (ΔV=0) and the heat around the system is increased by 50 J. a. What…

A: Given data:  Volume of the system = Constant Heat around the system is increased = -50J

Q: 17. Calculate change in internal energy if the system transfers 182 kJ of heat to the surrounding…

A: q = 182 KJ  W = 124 KJ  ∆U = ?

Q: Three moles of an ideal gas are compressed from 5.5 × 102 to 2.5 × 102 m3 . During the…

A: in isothermal process temperature is constant throughout the process.

Q: The molar heat capacity at constant pressure for CO2 is 36.61 J mol-1 K-1. How much heat in J is to…

A: To solve this problem first we will calculate the mole of CO2  then amount of heat released will be…

Q: A system gains 20.4 J of internal energy while doing 30.0 J of work. Does heat enter or escape from…

A: From first Law of Thermodynamics , the total change in internal energy of the system can be…

Q: How many moles of isooctane must be burned to produce 120,350 J of heat under standard state…

A:

Q: Calculate the quantity of heat required to increase the temperature of 1.0 kg brass statue standing…

A: The heat required can be calculated by using general formula , Q = mC (Tf - Ti) Here, Q = Heat…

Q: Calculate the change in internal energy (AE) for a system that is giving off 65.0 kJ of heat and is…

A: Given: Heat transfer, q=-65.0 kJ (Heat lost, so, q=-ve) Work, w=-855 J=-855 /1000 =-0.855 kJ   (1 kJ…

Q: An 80 g sample of gas is heated from 25 C to 225 C. During this process, 346 J of work was done by…

A:

Q: The system releases 500J of heat energy and 200J of work is done by the system. Calculate the change…

A:

Q: Consider the system shown. What is the change in entropy for the process where the energy is…

A: The change in entropy of the given system has to be given, The change in entropy can be calculated…

Q: Calculate ΔU if 100 kJ of heat energy is absorbed by the system and 30 kJ of work is done on the…

A: Internal energy basically denotes the total energy of the system which is manifested in the form of…