Part A A cube 23 cm on each side contains 2.6 g of helium at 20 °C. 1200 J of heat energy are transferred to this gas. What is the final pressure if the process is at constant volume? Express your answer to two significant figures and include the appropriate units. O Value Units Submit Request Answer Part B What is the final volume if the process is at constant pressure? Express your answer to two significant figures and include the appropriate units. HA ? V Value Units Submit Request Answer
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- Part A A7.0 g ice cube at -10 °C is in a rigid, sealed container from which all the air has been evacuated. The specific heat at constant volume of steam is 1500 J/kgK. How much heat is required to change this ice cube into steam at 210 °C? Express your answer to two significant figures and include the appropriate units. HA 2310 J kg - K Submit Previous Answers Request Answer1a-d pleasePart A How much heat does it take to increase the temperature of 1.80 mol of an ideal gas by 50.0 K near room temperature if the gas is held at constant volume and is diatomic? Express your answer with the appropriate units. HẢ Q = Value Units Submit Request Answer Part B What is the answer to the question in part A if the gas is monatomic? Express your answer with the appropriate units. Q = Value Units
- A weather balloon containing 130 moles of an Ideal Gas is released at sea level (atmospheric pressure) and has a volume of 3.1m³. While it rises through the atmosphere, the balloon remains at constant temperature. When it reaches its maximum altitude, the pressure drops to one sixth of its original pressure. a. What is the Temperature of the balloon at liftoff? a. What is the volume of the balloon at its maximum altitude? b. How much work is done by the gas in the balloon during this expansion?In an engine, an almost ideal gas is compressed adiabatically to half its volume. In doing so, 2530 J of work is done on the gas. Part A How much heat flows into or out of the gas? Express your answer with the appropriate units. ? Value Units %3D Submit Request Answer Part B What is the change in internal energy of the gas? Express your answer with the appropriate units. ? AU = Value UnitsPart A A container holds 0.50 g of argon at a pressure of 7.0 atm. How much heat is required to increase the temperature by 100" C at constant volume? Express your answer in joules. J Submit Reauent Answer Part B How much will the temperature increase if this amount of heat energy is transferred to the gas at constant pressure? Express your answer in degrees Celsius. AT= "C Submit Reguest Answer
- QUESTION 25 The temperature at state A is 20°C, that is 293 K. What is the heat (Q) for process A to D, in MJ (MegaJoules)? (Hint: What is the change in thermal energy and work done by the gas for this process?) Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. p (atm) 5 4 3 2 1 O A D 1 1 2 3 4 B I 5 → V (m³)Part A What is the total translational kinetic energy of the air in an empty room that has dimensions 8.00 m × 14.0 m × 5.00 m if the air is treated as an ideal gas at 1.00 atm? Express your answer with the appropriate units. HA Ktr = Value Units Submit Request Answer Part B What is the speed of a 2000 kg automobile if its kinetic energy equals the translational kinetic energy calculated in part A? Express your answer with the appropriate units. HA Value Units U = Submit Request AnswerPart B What is the specific heat of the liquid phase? Express your answer with the appropriate units. ► View Available Hint(s) μÀ μ Ω % q=3.33•10³ Submit 0 Previous Answers Ć Å X J kg K ? X Incorrect; Try Again; 8 attempts remaining
- N2 gas in a container is contracted by one third of the original volume to a total of 12 dm3 isothermally. The pressure is now 2 bar, what was the original pressure before the contraction?Learning Goal: To understand the meaning and the basic applications of pV diagrams for an ideal gas. As you know, the parameters of an ideal gas are described by the equation PV = nRT, where p is the pressure of the gas, V is the volume of the gas, n is the number of moles, R is the universal gas constant, and I is the absolute temperature of the gas. It follows that, for a portion of an ideal gas, Figure 3po 2po Po pV T 51 Vo = constant. 6 2V 3V V Submit ✓ Correct No work is done during a process, if the gas does not experience a change in volume. The absolute value of the work done by the gas during a cycle (a process in which the gas returns to its original state) equals the area of the loop corresponding to the cycle. One must be careful, though, in judging whether the work done by the gas is positive or negative. One way to determine the total work is to calculate directly the work done by the gas during each step for the cycle and then add the results with their respective…R Review I Constants Part A A container holds 1.0 g of argon at a pressure of 8.0 atm. How much heat is required to increase the temperature by 100° C at constant volume? Express your answer with the appropriate units. H HẢ Q = Value Units %3D Submit Request Answer Part B How much will the temperature increase if this amount of heat energy is transferred to the gas at constant pressure? Express your answer in kelvins. ΑΣφ K AT =