Shown is the heating curve at constant pressure for DF2. How much heat must be provided to convert liquid DF2 to gas? > 100 cal    > 200 cal    > 50 cal    > 700 cal

Q: temperature of 1.0 mol of an ideal gas decreases from 302 K to 288 K when 1400 J of heat are removed…

A: according to first law of thermodynamics Q = ΔU + W  Internal energy of one mole ideal gas…

Q: A brass bar, 15 cm in length, is welded to an aluminum bar, 10 cm in length. Both have a cross…

A:

Q: A piston–cylinder device contains 1.2 kg of saturated water vapor at 2008C. Heat is now transferred…

A: It is given that, From the steam tables A-4 and A-6

Q: an ideal monatomic gas cools from 550 k to 400 k at contant volume as 900 J of energy is removed…

A:

Q: Calculate how much heat in J has to be added to a sample of an ideal monoatomic gas at a pressure of…

A:

Q: Consider n = 1.17 mols of an ideal gas on the pV diagram below where  p1 = p2 = 3.15 x 10^5 Pa…

A: Given: n=1.17 p1=p2=3.15×105 pa p3=9.89×105 pa V1=5.64×10-3 m3 V2=3.58×10-3 m3 V3=1.14×10-3 m3

Q: A closed container with constant volume insulated against heat is divided into two compartments by a…

A: Given: Compartment A: Weigh of water = 2 kg Pressure, PA = 800 kPa Temperature = 80o C = 273+80 =…

Q: 1.5 m3 of an ideal gas initially at STP is compressed to 0.75 m3 and heated to 30OC, what would be…

A:

Q: You completely fill a 4L stockpot with water at 20°c, cover it with lid, then heat it just to the…

A:

Q: A gas with a fixed number of molecules does 32 J of work on its surroundings, and 16 J of heat are…

A: The heat transfer to a gas is given by Q = ∆U + W, where ∆U = change in internal energy of the gas W…

Q: A ceramic mug has a mass of 200 g. It is initially at room temperature, 20ºC. It is filled with 100…

A:

Q: liquid gas 200 300

A: The straight line pressure is given as,

Q: 11AP.O63. A ber of gold (her 4) is in thermal contact with aber of iron (ber ) of the same lengh and…

A:

Q: Q3: The specific heats, CP and CV of gas of diatomic molecules, A, is given (in units of J mol–1…

A: Solution:   As per the given data,   For A: CP/CV = 29/22 1 + 2/f = 29/22 2/f = 7/22 f = 44/7 = 6.6…

Q: Q4: Steam at 100 kPa and 10°C steadily enters a nozzle whose inlet area is 0.4 m2 with a the…

A: The steady flow energy equation at the nozzle is given by P1V1+u1+V122=P2V2+u2+V222 where V is the…

Q: If you have 4 moles of a monoatomic ideal gas, how much heat is required to raise the temperature of…

A:

Q: 0.258 kg of water at 5.59 ∘C​∘​​C is added to 5.12 kg of ice at -14.0 ∘C​∘​​C. What is the final…

A:

Q: A container holds 8 g of neon at a pressure of 5.0 atm and a temperature of 15 degrees Celsius. How…

A: Write the expression for the number of moles and substitute the corresponding values.

Q: V. Th To V Room temperature T 293 K Vp The temperature changes from Th to To during process 3. The…

A: work done in thermodynamic process W = ∫ P dV

Q: The concrete sections of a certain superhighway are designed to have a length of 24.0 m. The…

A: The length of the concrete superhighway is L = 24.0 m The initial temperature of the concrete is T1…

Q: A tank of volume 0-2 m3 contains helium gas at a temp. of 300 K and pressure 10 N/m2. Find the…

A:

Q: 4. The diffuser in a jet engine is designed to decrease the kinetic energy of the air entering the…

A:

Q: An ideal gas undergoes the cycle shown in the figure below: it expands isobarically at pressure p…

A: Given P-V diagram for the three step cycle

Q: In the PV diagram shown in Figure B1, an ideal monatomic gas undergoes isothermal expansion from…

A:

Q: The temperature of 3.0 mol of a gas with c = 6.00 cal/molK is to be raised to 50.0 K.  If the…

A: Data provided: No. of moles (n) = 3 mol Specific heat capacity (Cv) = 6 cal/mol.K Change in…

Q: The set up is: For this phase diagram of carbon dioxide, what temperature in kelvin (K) to 4 digits…

A: The triple point of a substance is the point on its temperature-pressure graph where the temperature…

Q: A piston-cylinder assembly contains 3 kg of air at 200 kPa and 27°c . At an initial state the piston…

A: Given Data:  mass (m) = 3 kg Initial Pressure (Pi) = 200 kPa Temperature (T) = 27 o C = 27 + 273 =…

Q: The radiator cap of an automobile engine is designed to maintain a pressure of approximately 15…

A: The radiator cap maintains a pressure of approximately 15lb/m2 more than the atmospheric pressure.…

Q: Q3: The specific heats, CP and CV of gas of diatomic molecules, A, is given (in units of J mol–1…

A: Q3: The specific heats, CP and CV of gas of diatomic molecules, A, is given (in units of J mol–1…

Q: O kg of water at 5.C nd aluminum are 41

A: Given: The mass of the aluminium lump m1=2.7 kg  The aluminium lump heated to the temperature…

Q: Use the following to answer questions 27-29: An ideal monatomic gas expands isobarically from state…

A:

Q: 2.65 mol of gas in the figure shown undergoes a constant volume heating from point 2 until the…

A:

Q: Two moles of helium gas at a temperature of 400 K occupy a volume of 10-3 m3. How much heat in…

A:

Q: essure 2 atm to 2 liter pressi

A: 27o C

Q: An monoatomic ideal gas at 27 is in the process of constant volume and constant pressure process as…

A:

Q: 1 kg of coffee, originally at 95°C, is placed into a .3 kg aluminum cup ne, you pour 0.2 kg of milk,…

A: We have given that The mass of the coffee is  mcoffee= 1 kg  The mass of the aluminum mAl= 3kg at…

Q: A tire is filled with air at 15°C to a gauge pressure of 220 kPa. If the tire reaches a temperature…

A: Given, The initial at which the tire is filled with air, T1=15+273.15=288.15 The pressure of the…

Q: Needs Complete solution with 100 % accuracy don't use chat gpt or ai plz plz plz plz plz.

A: Step 1: Step 2: Step 3: Step 4:

Q: Three moles of an ideal gas at 298k is held inside a 2cm diameter vertical cylinder by a…

A: The initial temperature of the gas is 298 K. The diameter of the cylinder is 2 cm. The mass of the…

Human Metabolism

Being described as the most complicated machine ever encountered by humans, the human body and the cell metabolism is nothing less than a wonder. Metabolism is the set of life-sustaining chemical reactions within organisms.