1. What heat is required to cause water of 250 g to be boiled. The initial temperature of water is 20°C? /Give the answer in [kJ]/
Q: 200 mL of 100°C hot tea was poured in a 250 mL vacuum flask and sealed. 0.01 mL of water in the tea…
A: Disclaimer: “Since you have asked posted a question with multiple sub-parts, we will solve the first…
Q: 4. Suppose you have 5 moles of helium gas (ideal, monatomic), which expands under constant pressure.…
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Q: 4. You place a 50 kg block of aluminum in a container with 100 kg of water at 35°C. If the block…
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Q: 4. SUPPOSE YOU BUY A 50 L GASOLINE AT NIGHT WHEN THE TEMPERATURE IS 20 DEGREES CELSIUS. HOW MUCH…
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Q: 2. A 10 kW drilling machine is used to drill a bore in a small aluininium block of mass 8-0 kg. How…
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Q: 4. A rigid tank with a volume of 2 m' contains 8.244 kg of saturated liquid-vapor mixture of water…
A: Given Volume (V) = 2 m3 Mass (m) = 8.244 kg Temperature T1 = 75°
Q: 3. An automobile tire has a volume 988 in and contains air at a gauge pressure of 24.2 lb/in (psi)…
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Q: The gauge pressure of a 50 L volume of gass is 4 atm and its initial temp is 37 degrees C. What is…
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Q: The average person drinks 2.6 L of water a day. If you drink 2.6 L of water at 0 degrees C and heat…
A: Given data as per question T1 = 0 T2 = 37 Volume = 2.6L density = 1g/ml
Q: Calculate the change in enthalpy of H₂(g) from 373K to 1000K, given that the constant pressure heat…
A: Enthalpy: The enthalpy of a substance is defined by the equation, H=U+PV where U is the internal…
Q: The vapour pressure of acetone at 100°C is 1.5atm and a molar heat of vaporization of 9750cal/mole.…
A: Given data:Here, P1 is the initial pressure, P2 is the final pressure, is molar heat of…
Q: 8) 100 grams of ethyl alcohol at −127 °∁ has enough heat added to it to turn the full mass into…
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Q: lled, the acetone cools and the flask warms pination of acetone and flask reaches a u ure of 32.0°C.…
A: We know that the formula of the change in volume of the acetone when its temperature changes T1 and…
Q: For R1=110, R2=145, R3=175, 11=2 A and V1=8 V in the shown circuit, find the Norton equivalent with…
A: Given R1=110 ohmR2=145 ohmR3=175 ohmI1=2 AV1=8 V The value of resistance is…
Q: 18. Find the mass of water vapour per cubic metre of air at temperature 300 K and relative humidity…
A: Temperature, T = 300 K Volume, V = 1 cc Relative humidity, Rh = 50% = 0.5 Pressure, P = 3.6 kPa =…
Q: . Calculate the K.E. of (a) 1 gm (b) one- molecule oxygen at 27°C. Molecular wt. of oxygen is 32.…
A: We need to compute- K.E. of molecule=? The data given as- m=1 gm T=270C=27+273=300 K Molecular wt of…
Q: 5) A 5.3 L flask of ideal neon gas (which is monatomic) is at a pressure of 6.0 atm and a…
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Q: 1. How large an expansion gap should be left between steel railroad rails if they may reach a…
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Q: . Is it possible to boil water at room temperature (20°C)without heating it? Explain
A: Boiling of water
Q: The composition of air is taken to be 79 mole% nitrogen and 21 mole% oxygen. Calculate the average…
A: Given data: The percentage of moles of nitrogen in air is n1=79%. The percentage of the moles of…
Q: Suppose the temperature of a sample of methane gas is raised from 28.0 °C to 73.0 °C, and at the…
A: Initial temperature (t) = 28oC = 301 kelvin Final temperature (T) = 73o C = 346 kelvinLet the…
Q: (SOLUTION IS REQUIRED) Two identical pieces of rectangular wood (k = 0.12 W/m.C°) of sides measures…
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Q: What volume is occupied by 1 mole of an ideal gas at pressure of 1 atm and temperature of 0°C
A: The volume is occupied by 1.00 mol of an ideal gas at 1.00 atm and 0.00C
Q: 33.A metal rod 40.0000-cm long at 55.0 °C is heated to 85.0 °C. The length of the rod is then…
A: Given data : Metal rod length L = 40.0000 cm at 55°C And heated till 85 °C, so that length of rod…
Q: What is the minimum amount of energy required to completely melt a 6.72 kg lead brick which has a…
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Q: A tank whose capacity is 5 m3 contains Chlorine gas at a certain quantity. 3 kg of this gas has been…
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Q: 3. A gas is heated at constant pressure of 5 atm and the volume increases from 1 to 10 liters. The…
A: Given DataP=5 atmV1=1 literV2=10 literT1=25°C=298K ***AS per company policy we are supposed to…
Q: 8. A mass m = 0.046 kg of benzene vapor at its boiling point of 80.1 °C is to be condensed by mixing…
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Q: 5. A thermally isolated vessel contains 100 g of water at 0°C when air above the water is pumped…
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Q: 44 : The R.M.S. velocity of oxygen molecules at 0°C is 460.9 m/s. Find the R.M.S. velocity of…
A: Here in this question we have to find the Root mean square (R.M.S) speed of hydrogen molecules. as…
Q: Three separate 2.5 g blocks of X, Y, and Z metals at 25°C each absorb 0.205 kJ of heat. Which block…
A: Which block reaches the highest temperature. given, mass of each blockm=2.5 gInitial…
Q: 10. If the coefficient of volume expansion of a given material is 2.3, find the change in volume…
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Q: 7. A mass m = 0.060 kg of benzene vapor at its boiling point of 80.1 °C is to be condensed by mixing…
A: Heat from benzene vapor is absorbed by water to condense benzene vapor. Q=mblv Q=mwCw∆T Equate both…
Q: 4. If 450g of ice is added to 500g of water at 120C. (a) What is the final temperature of the…
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Q: 2. If the pressure exerted by a gas at 77 °F in a volume of 1L is 5 atm, how many moles of gas are…
A: The temperature of the gas,(T)=77 °F=298.15 K ------(1) [Given] [Using 77 °F=298.15 K] The volume of…
Q: 3. An automobile tire is inflated to 30 psig pressure at 50 deg. Fahrenheit, after being driven the…
A: Solution:-Given thatInitial gauge pressure (P1g)=30 psigInitial temperature (T1)=50°FFinal…
Q: 10) A hole with diameter of 2cm is drilled through a stainless steel pate at room temperature…
A: Diameter of the hole: d=2 cm = 0.02 m Radius of the hole, R= 0.01 m Room temperature, Ti=20° C Final…
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