Calculate DE, and determine whether the process is endothermic or exothermic for the following cases:   (a) A system absorbs 334 kJ of heat from the surroundings and has 147 kJ of work done on it by the surroundings.   (b) q = 867 kJ and w = -623 kJ.   (c) A system releases 838 kJ of heat to the surroundings and does 448 kJ of work on the surroundings.

Q: (a) In an experiment, a gas contracts from 0.674 L to 0.243 L under a constant external pressure of…

A: Given - (a) Initial volume of gas = 0.674L      Final volume of gas = 0.243L      Pressure = 2.138…

Q: A system does 551 kJ of work and loses 236 kJ of heat to the surroundings. What is the change in…

A:

Q: The specific heat capacity of lead at 25°C is 1.290×10-1 J/g/K. Answer the following: (a) For a…

A:

Q: Calculate the internal energy change for each of the following. (a) One hundred twelve (112) joules…

A:

Q: Air in an inflated balloon (system) is warmed and absorbs 833. J of heat. The surroundings also…

A: Given,Heat absorbed by inflated balloon system = 833 JWork done on the balloon system by the…

Q: 5.108 The combustion of 0.4196 g of a hydrocarbon releases17.55 kJ of heat. The masses of the…

A: Since the data for second part is incomplete. Only part (a) has been solved. Please re submit the…

Q: Q.4. In a calorimetry experiment, a 0.550 g piece of aluminum (specific heat capacity=0.897 J/g K)…

A: Thus, the heat released or absorbed is calculated using the following equation, = m×s×∆T   m = mass…

Q: A gas expands and does P-V work on the surroundings equal to 325 J. At the same time, it absorbs 127…

A:

Q: A system does 521 kJ of work and loses 216 kJ of heat to the surroundings. What is the change in…

A: The objective of the question is to calculate the change in internal energy (ΔE) of a system that…

Q: A bomb calorimeter, or constant volume calorimeter, is a device often used to determine the heat of…

A: Calculate the number of moles of xanthone. nxanthone = WxanthoneMxanthonenxanthone = 0.517 g196…

Q: (Q3) How much heat (in J) is required to raise the temperature of a block made of pure copper was a…

A: Mass=6.98g   Change in Temperature=6.01°C

Q: When 23.6g of calcium chloride, Was dissolved in water in a constant pressure calorimeter, the…

A: For heat capacity ,heat and temperature ,there is a relation for all: q=c×△TWhere:q= Heat…

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: Consider the following reaction: 2C6H6() + 15 O2(g)- 12 CO2(g) + 6 H20() AH = -5.869 x 103 kJ An…

A: Each reaction takes place account to their stoichiometric radio and account to those things the heat…

Q: give a specific example of a process that has the energy changes and transfers described. (For…

A: From the first law of thermodynamics, In an adiabatic process, there is no thermal contact between…

Q: Air in an inflated balloon (system) is cooled and loses 203. J of heat. The surroundings also…

A: Given that, A system looses 203.0 J of heat. The work is done by the surroundings is 79.8 J. Which…

Q: The combustion of 0.4683 g naphthalene (C10H8(s); MM = 128.16 g/mol) in a constant volume bomb…

A: Mass of naphthalene = 0.4683 gMolar Mass of naphthalene = 128.16 g/molThe final temperature was…

Q: Determine the internal energy change if 718 J of heat are transferred to the system and 437 J of…

A:

Q: Consider the dissolution of ammonium nitrate according to the following equation: NH,NO3(s) → NH,…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3 sub-parts. Please resubmit the…

Q: A gas expands in volume from 26.7 to 89.3 mL at constant temperature. Calculate the work done (in…

A:

Q: An intermediate step in the industrial production of nitric acid involves the reaction of ammonia…

A: Before moving on with the problem, balancing the unbalanced equation is very important- The balance…

Q: A system absorbs 1.66E2 kJ of heat and the surroundings do 1.032E2 kJ of work on the system. What is…

A: We have to predict the change in internal energy of system.

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: A system does 546 kJ of work and loses 271 kJ of heat to the surroundings. What is the change in…

A: Work (w) = -546 KJ (because work is done on the surrounding, so this is negative) Heat (q) = -271 KJ…

Q: A 1095 g piece of iron initially at 1371 °C is submerged in 1000.0 g of water initially at 20.0 °C.…

A: The heat released by iron helps to increase the temperature of the water.

Q: A gas expands and does P-V work on the surroundings equal to 284 J. At the same time, it absorbs 201…

A: Given  Work done by the system on surrounding = 284 Joule  Heat absorb                  = 201 Joule…