A 40.00 L fuel tank is filled with gasoline on a -10°C day, then rolled into a storage shed where the temperature is 20°C Y Part A If the tank is not vented, what minimum volume needs to be left empty at filling time so that the tank doesn't rupture as it warms? Express your answer with the appropriate units.
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- 23.0 g of copper pellets are removed from a 300 degree celsius oven and immediately dropped i to a 80.0 mal of water at 20.0 celsius in an insulated cup. What will the new water temperature be? Please help! I can't figure this question out.Aluminum rivets used in airplane construction are made slightly larger than the rivet holes and cooled by "dry ice" (solid CO₂) before being driven. Part A If the diameter of a hole is 4.500 mm, what should be the diameter of a rivet at 23.0°C, if its diameter is to equal that of the hole when the rivet is cooled to -78.0°C, the temperature of dry ice? Assume that the expansion coefficient of aluminum is 2.4 x 10-5 (°C)-¹ and remains constant. -1 Express your answer in milimeters to four significant figures. d = Submit 15. ΑΣΦ Request Answer ? Review Constants mmLead pellets, each of mass 1.90 g, are heated to 200°C. How many pellets must be added to 498 g of water that is initially at 20.0°C to make the equilibrium temperature 25.0°C? Neglect any energy transfer to or from the container. pellets Need Help? Read t
- A hot air balloon uses the principle of buoyancy to create lift. By making the air inside the balloon less dense then the surrounding air, the balloon is able to lift objects many times its own weight. A large hot air balloon has a maximum balloon volume of 2090 m3. a. If the air temperature in the balloon is 54 °C, how much additional mass, in kilograms, can the balloon lift? Assume the molar mass of air is 28.97 g/mol, the air density is 1.20 kg/m3, and the air pressure is 1 atm.2.12 A mass of 5 kg of water is contained in a piston-cylinder device at 125 kPa. Initially, 2 kg of the water is in the liquid phàse and the rest is in the vapor phase. Heat is now transferred to the water, and the piston, which is resting on a set of stops, starts moving when the pressure inside reaches 300 kPa. Heat transfer continues until the total volume increases by 20%. a) Determine the initial and final temperatures. b) Calculate the mass of liquid water when the piston first starts moving. c) Calculate the work done during this process. d) Show the process on a P-V diagramA manufacture claims that a teakettle has an output of 5.2kw. A test is done by heating 1liter of water. The water is initially at room temperature 22C and in 3 min the water reaches the boiling point. What can be said about the manufacture claim. I used equation P=Q/t and got q= 936kw/s. But this can't be it, I don't think. Can you help me through this problem? Thank you for your time and help.