Physics question and answers for February 17, 2024
- Q One mole of ideal monoatomic gas is taken along a cyclic process as shown in the figure Process 1 2 shown is 1 4th part of a circle as shown...
- Q One mole of oxygen of volume 1 litre at 4 atm pressure to attain 1 atm pressure by result of isothermal expansion Find work done by the gas 1 155...
- Q A scientist claims to have developed a heat engine working between 27 C and 727 C with efficiency x Which of the following values of x will make his claim...
- Q 154 A gas contained in a box of 0 1 m at atmospheric pressure is connected to another vessel of 0 09 m Consequent change in pressure is X mm...
- Q A box of negligible mass containing one mole of an ideal monoatomic gas of molar mass M moves with constant speed V on a smooth horizontal surface If the box...
- Q cycle a b c d has the V T diagram shown below Process d a and b c are adiabatic V 1 3 2 The corresponding P V diagram for...
- Q Two chambers with volumes V1 and V2 contain N and N2 molecules of a gas at the same temperature but at pressure P and P2 respectively Calculate the pressure of...
- Q Nitrogen gas is filled in an insulated container If a fraction of moles dissociates without exchange of any energy then the fractional change in its temperature is 1 3 5...
- Q 05 The specific heat of an ideal gas depends on temperature is 1 2 T 3 T 4 Does not depends on temperature
- Q 5 Article Which of these scientists created laws to describe the relationship between temperature and volume 1 Point Gay Lussac Boyle O Avogadro
- Q Section A 1 An ideal diatomic gas undergoes the cycle ABCA shown at right but not to scale AB is isobaric BC is adiabatic CA is isothermal TA is 500...
- Q Three beakers containing the same volume of water at three different temperatures are placed in a room with air at 25 C 0 C 10 C Which of the following...
- Q 11 How much energy does it take to raise the temperature 50 0 g of ethyl alcohol by 5 00 C 1 Point 250 J 0 25 J O 615...
- Q 21 How much total heat is required to transform 1 65 liters of liquid water that is initially at 25 0 C entirely into H O vapor at 100 C...
- Q The gas in a cylinder expands and forces a piston outward During this process the gas has a constant pressure of 3 15x105 Pa The volume in the cylinder changes...
- Q In this diagram of a cyclic process the three legs of the cycle can be classified as in no particular order P T1 T2 T1 isothermal adiabatic isobaric Oisochoric isobaric...
- Q A mass of 2 5 kg of saturated water vapor at 100 kPa is heated at constant pressure until the temperature reaches 200 C Calculate the work done by the...
- Q Can we transfer 5 kWh of heat to an electric resistance wire and produce 6 kWh of electricity Yes or No Yes No
- Q You drop an ice cube into an insulated container full of water and wait for the ice cube to completely melt The ice cube initially has a mass of 90...
- Q MY NOTES ASK YOUR TEACH a A tank contains one mole of carbon dioxide gas at a pressure of 6 70 atm and a temperature of 29 0 C The...
- Q An automobile engine provides 525 Joules of work to push the pistons In this process the internal energy changes by 2896 Joules Calculate q Use the References to access important...
- Q Is the boundary work associated with constant volume systems always zero Yes or No Yes No T E NTZACHARS
- Q a A tank contains one mole of nitrogen gas at a pressure of 6 75 atm and a temperature of 26 0 C The tank which has a fixed volume...
- Q Click to see additional instructions Questions 1 10 Convert the following temperatures into the units specified 10 Core center of the Sun 1 5 107 C x 107 K Calculate...
- Q 1 A steam engine takes in 90 000 J of heat each cycle from a reservoir at a temperature of 500K The engine does 27 000 J of work each...
- Q 16 A 200 gram liquid sample of Alcohol Y is prepared at 6 C The sample is then added to 400 g of water at 20 C in a sealed...
- Q 0 40 m3 9 A 700 g quantity of an ideal gas undergoes a reversible isothermal compression at a temperature of 330 K The compression reduces the volume of the...
- Q When 200 0 mL of water is heated from 15 0 C to 40 0 C how much thermal energy is absorbed by the water Since the quantity of heat...
- Q 2Po Po V 2V An ideal gas is carried around the cyclic process described by the diagram Let Po 4 00 atm and 485 J 1220 J 2420 J 2280...
- Q 10 A compression at a constant pressure of 40 kPa is performed on 6 0 moles of an ideal monatomic gas work done by the gas zero 12 kJ 12...
- Q An ideal gas is held in a non rigid container that is kept at a constant temperature 295 K The pressure on the container is reduced from 50 Pa to...
- Q A cylinder with a moveable piston inside it holds a volme of air V 0 129 m at an initial pressure P 25 5 kPa The piston moves so that...
- Q A 88 kg sample of liquid water is cooled from 0 C to 43 C It freezes in the process How much heat is liberated For water O O 37...
- Q What are the three parts of the 2nd law of thermodynamics Heat will not flow spontaneously from a cold to a hot body You cannot construct an engine that does...
- Q A temperature difference of 50 C is the same as a difference of 50 K 323 K 223 K O 223 K 323 K
- Q An ideal gas is at a pressure 1 00 x 105 N m and a volume 2 00 m If the gas is compressed to a volume 1 00 m...
- Q If it is known that two bodies are in thermal equilibrium one can conclude that they must be in thermal equilibrium with a third body there must be a net...
- Q 1500 J of work is equivalent to how much heat A 6 279 kcal OB 6 279 000 cal C 358 cal OD 358 kcal
- Q 5 The Electric Field Lines are a Symmetric b Not symmetric c Linear d No linear 6 Electric Potential due to a point charge is a Inversely proportional to the...
- Q Explain how the procedure described in each case will affect the pressure in a closed cylinder of gas a The volume is decreased at constant temperature b The volume is...
- Q A sample of solid 37 1 C what is the Answer
- Q An example of a thermometric property is the volume of a gas the pressure of a confined gas the electrical resistance of an electrical conductor the length of a column...
- Q theexpertta com tracking id IF76 E7 EE 40 A291 31085 In accordance with Expert TA s Terms of Service copying this information to any solutions sharing web strictly forbidden Doing...
- Q In conduction, what happens to the heat transfer per unit time when the thermal conductivity decreases?(A) The heat flow will increase.(B) The heat flow will remain constant.(C)The heat flow will...
- Q A mixture of hydrogen and oxygen is enclosed in a rigid insulting cylinder. It is ignited by a spark. The temperature and the pressure both increase considerably. Assume that the...
- Q A gas with initial state variables pi. V?, and Ti is cooled in an isochoric process until p? =1/3 P?. By what factor does the volume change? By what factor...
- Q One mole of neon gas is heated from 316 K to 410 K at constant pressure. Note that neon has a molar specific heat of c = 20.79 J/mol K...
- Q An ideal gas is enclosed in a cylinder with a movable piston on top of it. The piston has a mass of 8,000 g and an area of 5.00 cm...
- Q Gas in a container is at a pressure of 1.8 atm and a volume of 9.0 m.(a) What is the work done on the gas if it expands at constant...
- Q Consider a vertical tube open at both ends. The tube consists of two parts, each of different cross sections and each part having a piston which can move smoothly in...
- Q A thin uniform bar lies on a frictionless horizontal surface and is free to move in any way on the surface. Its mass is 0.16 kg and length is 1.7...
- Q The rate constant of a reaction at 300 K is 5.0 10-minute- . The temperature was increased by 20 K and the value of rate constant'K' increased three times. Calculate...
- Q One spring day, Aisha noted the time of day and the temperature, in degrees Fahrenheit. Her findings are as follows: At 6 a.m., the temperature was 52 F. For the...
- Q With temperature held constant, the pressure of a gas in a cylinder with a movable piston is increased from 14 kPa to 53 kPa. The initial volume of the gas...
- Q . A fixed quantity of an ideal gas has an initial pressure, volume, and temperature of P?, V?, and T?, respectively. Thetemperature of the gas is doubled. Which of the...
- Q The specific heat of zinc is 386 joules per kilogram per Celsius degree. The amount of heat energy required to raisethe temperature of 0.25 kilogram of zinc from 0C to...
- Q According to Newton's Law of Cooling, if a body with temperature T? is placed in surroundings with temperature To. different from that of T?, the bodywill either cool or warm...
- Q Air with a temperature of 27 C receives heat at constant volume until thetemperature reaches 927C. The specific heat of air varies with temperature asCp = 0.9167 + (2.577 x...
- Q The coefficient of performance of a refrigerator is 3.00. The compressor uses 30.0 J of energy per cycle.Part AHow much heat energy is exhausted per cycle?Express your answer with the...
- Q An ideal gas expands isothermally, performing 3.00x10^3 J of work in the process.Calculate the change in internal energy of the gas.
- Q 8.4 moles of an ideal monatomic gas expand adiabatically, performing 8800 J of work in the process. What is the change in temperature of the gas during this expansion?
- Q 0.191 moles of an ideal gas are confined to a rigid container (V = 1.18 L). The pressure of gas at T = 353 K was 8.25 atm. What is...
- Q Gas in a container is at a pressure of 2.0 atm and a volume of 5.0 m. (a) What is the work done on the gas if it expands at...
- Q In each cycle of its operation, a heat engine expels 3,000 J of energy and performs 2,000 J of mechanical work. (a) How much thermal energy must be added to...
- Q You would like to raise the temperature of an ideal gas from 295 K to 950 K in an adiabatic process.
- Q What type of change can be reversed?Physical changeChemical changeBoth physical and chemical changesNeither a physical nor a chemical change
- Q Air at 20C in the cylinder of a diesel engine is compressed from an initial pressure of 1.3 atm and volume of 864 cm to a volume of 163 cm....
- Q An ideal gas undergoes an isovolumetric process from initial pressure of 8 kPa to the final pressure of 90 kPa. If the final temperature of the gas was 807 K...
- Q The specific heat capacity of a pure substance can be found by dividing the heat needed to change the temperature of a sample of the substance by the mass of...
- Q A 10 cm thick piston sits inside a cylinder containing 0.1 kg of water. An internal flange is built into the cylinder and serves to stop the control volume from...
- Q 4. Hydrogen gas occupies a volume of 2.1 cm at 30C and normal atmosphericpressure.A)Determine the number of molecules of gas in the containerb. Find the mass of the gas in...
- Q Air enters an adiabatic nozzle steadily at 300 kPa, 200C, and 45 m/s and leaves at 100 kPa and 180 m/s. The inlet area of the nozzle is 110 cm....
- Q A heat engine has the three step cycle shown above. Starting from point A, 1 L (liter) of an ideal gasexpands in an isobaric (constant pressure) process from A to...
- Q In an adiabatic compression, 0.10 m of a monoatomic gas at 400.0 K is brought to 535.0 K. What is the volume of theheated gas?0.065 m0.082 m0.15 mCannot be calculated...
- Q The gas in a cylinder expands and forces a piston outward. During this process, the gas has a constant pressure of3.15x105 Pa. The volume in the cylinder changes from 9.60x10-4...
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