0.0040 mol of gas undergoes the process shown in (Figure 1). igure p (atm) 6 4 2. 0 100 200 300 1 of 1 V (cm³) Part B What is the initial temperature in °C? Express your answer in degrees Celsius. T₁= 609.2 Submit Previous Answers Request Answer —| ΑΣΦ X Incorrect; Try Again; 5 attempts remaining Part C What is the final temperature in °C? Express your answer in degrees Celsius. Tf = Submit —| ΑΣΦ Request Answer ? ? °C °C
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- I am not sure about the answer, please tell me which one is the correct answer.Part A The value of specific heat for copper is 390 J/kg Co, for aluminun is 900 J/kg. C°, and for water is 4186 J/kg. Co. What will be the equilibrium temperature when a 235 g block of copper at 235 °C is placed in a 145 g aluminum calorimeter cup containing 865 g of water at 14.0°C? Express your answer using three significant figures. T = ΜΕ ΑΣΦ 0 ? °CA large cylindrical tank contains 0.750 m³ of nitrogen gas at 22.0°C and 6.50x103 Pa (absolute pressure). The tank has a tight-fitting piston that allows the volume to be changed. Part A What will be the pressure if the volume is decreased to 0.530 m³ and the temperature is increased to 165°C? Express your answer in pascals. —| ΑΣΦ P = Submit Request Answer < Return to Assignment Provide Feedback ? Pa
- Directions: Solve the following problems. Use g = 9.80 m/s? and assume all numbers are accurate to 3 significant figures unless otherwise indicated. 1. A cylinder that has a 41.0-cm radius and is 50.0 cm deep is filled with air at 29.5°C and 1.00 atm shown in figure (a). A 21.0-kg piston is now lowered into the cylinder, compressing the air trapped inside as it takes equilibrium height hi as shown in figure (b). Finally, a 21.5-kg dog stands on the piston, further compressing the air, which remains at 29.5°C as shown in figure (c). What is the value Ah? Ah 50.0 cm h;Part A Helium gas with a volume of 2.60 L, under a pressure of 0.190 atm and at a temperature of 43.0° C, is warmed until both pressure and volume are doubled. What is the final temperature? Express your answer in degrees Celsius. ? T = 172 °C Submit Previous Answers Request Answer Previous Answers X Incorrect; Try Again; 5 attempts remaining Part B How many grams of helium are there? The molar mass of helium is 4.00 g/mol. Express your answer in grams. V ΑΣφ m =An ideal gas at 20°C consists of 2.2 x 1022 atoms. 3.2 J of thermal energy are removed from the gas. Part A What is the new temperature in °C? Express your answer in degrees Celsius. DA ΑΣφ T = °C Submit Request Answer
- A diver observes a bubble of air rising from the bottom of a lake (where the absolute pressure is 3.50 atm) to the surface (where the pressure is 1.00 atm). The temperature at the bottom is 4.0°C, and the temperature at the surface is 23.0°C. Part A What is the ratio of the volume of the bubble as it reaches the surface to its volume at the bottom? Enter your answer numerically. VE ΑΣΦ V2 V₁ Submit Part B Request Answer Would it be safe for the diver to hold his breath while ascending from the bottom of the lake to the surface? Submit No. This increase in volume of air in the lungs would be dangerous. Yes. This increase in volume of air in the lungs is safe enough for human body. Provide Feedback ? Request Answer0.50 mol of argon gas is admitted to an evacuated 50 cm³ container at 20°C. The gas then undergoes an isobaric heating to a temperature of 340 °C. Part A What is the final volume of the gas? Express your answer with the appropriate units. V₁ = Submit HÅ Value Request Answer UnitsPerfectly rigid containers each hold n moles of ideal gas, one being hydrogen (H₂) and other being neon (Ne). Part A If it takes 300 J of heat to increase the temperature of the hydrogen by 2.70°C, by how many degrees will the same amount of heat raise the temperature of the neon? Express your answer in degrees Celsius. ATNe= Submit 17 ΑΣΦ Request Answer ? °C
- ⦁ When a certain quantity of helium gas contained inside and engine cylinder combusts, the expanding gas causes the 12-cm-radius piston to move outward by 10.0 cm. If the gas remains at a pressure of 120 kPa for this process, what is the heat transfer? (See the diagram at the top of the next page.)⦁ 1,960 J⦁ 1,660 J⦁ 1,360 J⦁ 1,060 J⦁ 760 JA 850 g aluminum pan is removed from the stove and plunged into a sink filled with 11.0 L of water at 20.0 °C. The water temperature quickly rises to 24.0 °C. Part A What was the initial temperature of the pan in °C? Express your answer with the appropriate units. Tinitial Submit Part B 11 Tinitial VO V—| ΑΣΦ Request Answer What was the initial temperature of the pan in °F? Express your answer with the appropriate units. VE ΑΣΦ C Ć SALA CO — ? ? °F °CThe enthalpy of 36 g of water vapor increases by 1830 J when its temperature increases from 150C to 175C. Assume that water vapor is an ideal gas. 1. What is the molar specific heat at constant pressure in SI units for water vapor? 2. By how much did the water vapor’s thermal energy increase? Express your answer with the appropriate units.