What is Container: Definition and 346 Discussions

A container is any receptacle or enclosure for holding a product used in storage, packaging, and transportation, including shipping.
Things kept inside of a container are protected by being inside of its structure. The term is most frequently applied to devices made from materials that are durable and are usually at least partly rigid.
A container can also be considered as a basic tool, consisting of any device creating a partially or fully enclosed space that can be used to contain, store, and transport objects or materials.

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  1. Krushnaraj Pandya

    Change in temperature when a gas is in a moving container

    Homework Statement Some gas at 300K is enclosed in a container. Now the container is placed on a fast moving train.is the change in temperature of the gas the same as the change dT observed when train suddenly stops? Homework Equations 1/2mv^2=dU?? or dU=0?? The Attempt at a Solution...
  2. L

    Piece of iron put into container with ice

    Homework Statement We put 1kg iron of temperature 100 Celsius into container with 1kg of ice, temperature 0 Celsius. What is state of the system after reaching equilibrium? Calculate change of entropy. Coefficient of melting of ice (c_L) is 330 kJ/kg, coefficient of heat transfer of iron (c_I)...
  3. steven george

    Average velocity of gas molecules in a container

    Homework Statement An ideal gas with molecules of mass m is contained in a cube with sides of area A. The pressure exerted by the gas on the top of the cube is P, and N molecules hit the top of the cube in a time Δt. What is the average vertical component of the velocity of the gas...
  4. H

    Force exerted on the horizontal bottom of the container

    Homework Statement In an empty container, having the shape of a Rectangular Parallelepiped, with width l=0.5m and MN=H=0.4m, and NP=L=0.75M. we poureda mass of mercury =2448kg. T0,T1,T2 have the same section which is 0.2 m^2. we give g=10N/kg, and density of mercury u=13.6 g/(cm^3)...
  5. E

    Why did the lid of a heated container cave inwards?

    I microwaved a container of soup with a lid sitting on top. When I tried to remove the lid, a suction had formed and the lid was very difficult to remove, as if the volume and pressure of the container had both decreased. However, heated gas (in this case, steam from the soup) expands. So why...
  6. T

    Would this work? (air filled tube inside a water filled container)

    Hey, I am from Turkiye, 17 yo and studying at high school. I have a project and would be better to know whether or not my project will work. I tried to draw it simply on paint and will tell you about some important points of it. Image 1 is the main body, its something solid and waterproof. It...
  7. A

    A solute added to a container with a small hole

    Homework Statement Suppose there is solute ##s## in a bowel containing fluid. There is a tiny hole near the bottom which leaks a small fixed volume of solute ##\lambda## per unit time ##dt##. In addition, there is a small added solute to the fluid in a constant rate ##\alpha## so as the volume...
  8. PlanetGazer8350

    Calculate iron container acceleration in railgun system on the Moon

    Having a cylindrical iron container with wall thickness of 20 cm, and a total weight of 500 tons when filled with its cargo, how would you be able to calculate its required voltage and current input in a vertical railgun system (relative to the Moon's surface), with an exit acceleration of...
  9. P

    Volume of water in a container

    Homework Statement A closed container is connected with a tube, water will enter the container via this tube. How would the amount of water in the container affect the pressure in it when water enters the container via the tube? Is this the same as changing the volume of the container (which...
  10. M

    Distribution of ions in a cylindrical container

    Homework Statement In a cylindrical container of radius ## R ## and height ## h \ll R ##, with long axis ## \hat{z} ##, in the presence of gravity acceleration ## \vec{g} = - g \vec{z} ## is contained a neutral ionized gas, whose ions can be described as material points with electric charge ##...
  11. S

    Rate of water flow into an immersed container

    Hi, I am wondering how I may calculate the rate of water flow into a container(say, a empty box) with a hole in it, and with the whole box immersed in water. Does it have something to do with the force of water pushing against the container, and calculating how fast water can flow through the...
  12. R

    Time to warm a volume of air to room temperature in a container

    Positing an empty container, underground, with a static temperature of 50F (both container, earth, and air temperature) and a volume of X... and introducing (and displacing) into this container a parcel of 30F air of volume Y (which is less than the volume of X)... Is there any way to...
  13. R

    I Matter density on the bottom of a liquid container vs hanging in the middle of it

    Why is the rough diamond in the following video held by a wire from above? Is it just so it will be easy to take the rock out of the water glass or is it to prevent the diamond from sinking to the bottom? If it is to prevent the diamond from sinking to the bottom, what is the reason for that ...
  14. A

    Vertical circular motion in container

    Homework Statement We have an object rotating inside a circular container. The rotation is vertical (see picture below). The radius r of the container is given. Find the frequency (which then ties back to finding the centripetal acceleration) necessary, so that the objects rotating inside the...
  15. M

    Shape of water in a rotating container along A vertical axis

    Hi! I am currently working on a project that includes rotating a water-filled container. The container is NOT spinning about its vertical axis, but about the vertical axis of the rotating disc. I am aware that the surface shape of water in a rotating bucket takes the shape of a parabola when it...
  16. M

    Closed container vs Open container for calorimetry

    So let's say I do the reaction Mg + HCl --> MgCl2 + H2 in an open calorimeter. I measure a certain temperature change in the calorimeter, let's say an increase of 12 degrees C. Keeping all other variables the same, if I perform this experiment in a closed calorimeter, what will happen to the...
  17. Y

    Water Filling a Cylindrical Container with a Scale Under It

    Homework Statement A scale is adjusted so that when a large, shallow pan is placed on it, it reads zero. A water faucet at height h = 4.0 m above is turned on and water falls into the pan at a rate R = 0.20 kg/s. A) Determine a formula for the scale reading as a function of time t if at the...
  18. D

    What is the pressure in a closed container dependent on?

    Hello! I have a problem : I have an elastic container (I call it "balloon"). I fill it 100% with water (no air bubbles) and close it. There is a pressure sensor connected to the balloon to measure the pressure inside it. I would like to ask You : what factors have influence on the pressure...
  19. I

    Water Mass in Leaking Container

    Homework Statement Water is poured into a container that has a leak. The mass m of the water is given as a function of time t by m = 6.00t 0.8 - 2.75t + 22.00, with t 0, m in grams, and t in seconds. (a) At what time is the water mass greatest? (s) (b) What is that greatest mass? (g) (c) In...
  20. Edison Bias

    What is pressure when there are no container walls?

    Hi! I wonder what pressure is when there are no walls. The reason for me wondering this is that gas pressure actually is defined by change of particle momentum, like p=\frac{F}{S}=\frac{1}{S}\frac{dp}{dt}=\frac{1}{S}\frac{d2mv}{dt} So how can there be pressure without change of momentum...
  21. T

    Can a plastic container break from having too much water

    I have a plastic container holding about 30 gallons of water, and it is bowing. Do I need to be concerned about it breaking?
  22. Monoxdifly

    MHB [ASK] Debit: Determining Flow Rates In/Out Of Container

    A water tub has 3 water channels. Channel I and II for filling the tub and channel III to empty it. Those 3 channels together fulfill the tub for 1 hour and 20 minutes. Channel I and II together fulfill the tub for 1 hour and 12 minutes from the empty condition. Channel II and III together...
  23. Ron19932017

    Fluid mechanics in a water container, reference from Feynman

    Hi all, I have a little problem while reading Feynman lecture note volume 2, chapter 40, section 40-3. In that section Mr Feynman talked about Bernoulli equation and a example of a filled water container. In high school we learned that if we drill a hole near bottom of container, we can get...
  24. A

    I Equalizing Pressure in Pipe for Safe Container Design

    Hi, I have a pipe that is unpressurized initially at atm internally with air. Inside the pipe there is a welded container that is vented at the top. The vent is made to have air pass through so that the internal pressure of the container eventually equals the pressure of the internal pressure of...
  25. heartshapedbox

    Latent heat and specific heat in insulated container

    Homework Statement A 1.0kg of ice at 0◦C, 3.0kg of water at 0◦C, and 5.0kg of iron at temperature T are placed in a sealed and insulated container. cFe =400J/ kg◦C ,cWater=4200J/ kg◦C , cIce= 2000 J/ kg◦C latent heat for ice is 3.3×105 J . The equilibrium temperature is 20◦C.Homework...
  26. E

    Thermodynamics homework: Water heated in a sealed container

    Homework Statement Hello, i have the following assignment due for monday and i have truly no idea how to tackle it, i have already tried it many times but all my results have been wrong. the problem is as follows. inside a sealed container is an amount of water: mass=90.26 kg; pressure 9.1842...
  27. L

    Heat Transfer. Ice and steam in a container (easy)

    Homework Statement "In a container of negligible mass, equal amounts (in weight) of ice at 0◦C and steam at 100◦C are mixed at the atmospheric pressure. Assuming no heat exchange with the surroundings, what is the temperature when the system reaches equilibrium? What are the fractions of...
  28. C

    Container of Liquid Accelerated Upward

    Homework Statement A block floats partially submerged in a container of liquid. When the entire container is accelerated upward, which of the following happens? Assume that both the liquid and the block are incompressible. A) The block descends down lower into the liquid. B) The block does...
  29. D

    Why when I freeze a container does the humidity go down?

    I am working on a project to stockpile and freeze photographic film and paper for later use. This is not for academic or commercial purposes, but just for personal use. I've been experimenting and am stumped as t the following: I place a package of film in a ziplock bag in an environment of...
  30. iHaveQuestions88

    The Decay Rate of a Hypothetical Antimatter Container

    Hi All, First time poster here, and I've got a couple questions. Straight up, I'm writing a sci-fi story where antimatter is utilised as fuel (feel free to laugh at the cliche), and I want to portray it as realistically as possible. To that end, I've come up with a storage method and I want to...
  31. Kirmandarren

    Propane phase change in a container

    If I had a container containing 10 bara of nitrogen, and pumped in liquid propane at room temperature would the propane boil? If I carried out the same experiment but this time at 5 bara, what would be the temperature of the material once the propane had completed its phase change i.e would it...
  32. sliperyfrog

    Ideal gas law, Find the Temperature of the container?

    Homework Statement [/B] There is a lid on a .25m diameter, .30m tall cylindrical container enclosing .021kg of air. The lid is held in place solely by atmospheric pressure. It take 220N of force to pull of the lid at an atmospheric pressure of 101kPa. What is the Temperature of the enclosed...
  33. F

    # of gas particles hitting one face of a cubic container

    Homework Statement [/B] 1 mol of gas at temperature T is contained in a cubic container of side L. Estimate the number of collisions per second between the atoms in the gas and one of the walls of the cubic container. My book gives this formula for that quantity \frac{N_A}{6L}\sqrt{\frac{3 k...
  34. MichaelT17

    A box Under Air Pressure -- will it blow?

    Homework Statement I'm doing a personal project to keep me busy for the winter. I grow Bonsai and I'm making a hospital for sick trees or recently collected ones from the wild that need to recover. I have constructed a 40x40 inch plywood box, 5/8 inch thick walls, air tight. The lid will be...
  35. V

    Lifting container with low pressure that keeps lid on

    Homework Statement The question is: A 2 litre cooking pot (diameter: 20 cm, mass: 300g) is closed with a tight fitting lid, and contains only air. What mass of air can be maximally in the pot so that you can lift the lid, and the pot will move with the lid? Assume the surrounding pressure is...
  36. DarkBabylon

    I Conditions of collapsing a container

    Hello, I have some sort of problem which I would like to explore. We have yet to touch it in the class in the university, but it seemed like a crazy idea when i stumbled upon it. Let there be a very long pipe with an inner radius of 1.08 meters and outer radius of 1.1 meters. The material of...
  37. E

    Cooling Water in a Closed Container

    I have a bit of confusion about a closed container scenario. First, I'll start with the open container. Say water is at some temperature, exposed to low humidity atmosphere, and begins to evaporate. The water that evaporates diffuses never to return to the container. To find the final...
  38. H

    B Black vs Shiny Metal for a Storage Container Outdoors

    Which would it be better to store (relatively) heat sensitive stuff in, if the container will be outside but in another case. I know black absorbs more heat but shiny objects _reflect_ more heat, so which would do less damage to the contents of the container? If the container is in the sun but...
  39. jzwillows

    Hydrostatic force on the bottom of a container

    Is the force from a liquid against the horizontal bottom of a container a function of depth and cross sectional area at the bottom only, i.e., computed by the formula Force=unit weight of water x depth x cross sectional area? If so the force could be greater than the weight of water and that...
  40. P

    How to measure the temperature of liquid in sealed container

    I am not a scientist or particularly good with math or formulas. I have been curious about this for a while, and would appreciate anyone clarifying/correcting me. I have a stainless steel container that can be heated up to 75 degrees celcius/165 degrees Fahrenheit in a bain marie. It can hold...
  41. Ravi Singh choudhary

    What pressure not increases if I seal the container?

    CASE1: A container with some water is open to atmosphere, pressure is definitely atmospheric, no somehow I put cover over it and sealed it also. Pressure would increase because new equilibrium will establish between water and its vapour so pressure will increase in the closed container. CASE2...
  42. Ravi Singh choudhary

    Velocity of liquid from bottom pinhole of closed container

    What I know: Below link is about Torricelli's law. Velocity of liquid coming out of bottom of the tank i.e comes after using Bernoulli's equation square root of (2*g*h*) where "h" is height of fluid in the container and "g" is acceleration due to gravity...
  43. eryksd

    Simplest way to increase pressure in a container?

    I'm working on an invention which requires that I increase the internal air pressure of a container (while keeping it simple and cost-effective to produce). I know my 3 options are to either: introduce more air into the container, increase the temperature, or decrease the volume. One idea I...
  44. L

    Which Container is Hotter After 30s? Exploring Heat Transfer

    Homework Statement In each of the following, state and explain which container will have the hotter liquid after thirty seconds: a) You pour equal amounts of of hot coffee into two cup s from a percolator. The cups are the same general size and shape. One is made from heavy china one is made...
  45. E

    Heat Transfer into a 1000L container

    Have been slightly racking my brains trying to remember the basics of this, but have a quick and probably pretty simple heat transfer problem. Was in a discussion Two standard 1000 liters square enclosed plastic HDPE containers (1m x 1m x 1m). One is filled up 800 liters (some air present at...
  46. C

    Thermodynamics - Two gases in a container

    Homework Statement Two kilograms of air at 5 bar, 350 K, and 5 kg of carbon monoxide, initially at 4 bar, 450 K, are confined to opposite sides of a rigid, well-insulated container by a partition. The partition is free to move and allows conduction from one gas to the other without energy...
  47. M

    How to Create a Sharp Triangular Pyramid with Glass or Quartz Material?

    Hi PF! I'm trying to build a triangular pyramid whose length is 20cm and cross section has a height of 3mm (I have the complete dimensions but hopefully this gives you an idea of the size I'm looking for). The interior corners have to be very sharp, so I can't use glue. The material is glass...
  48. J

    CO2 sublimation in a closed container

    A coworker posed a thought experiment; if you sealed a sample of frozen CO2 in an uncompressable container of identical volume and allowed it to warm to room temperature, how could it melt/evaporate, since there would be no room for the gas to expand My guess is that it would sublimate to a...
  49. I

    Thermal expansion of a liquid in a cylindrical container

    Homework Statement There is liquid in a cylindrical container at some level. Now when the container is heated, the level of the liquid remains the same in the container. What is the relationship between the coefficient of linear thermal expansion of liquid and the container ? Homework...
  50. J

    What is the Optimum Thickness for a Thermal Container Design?

    Hello everyone, first of all, thank you very much for reading. I have to design a container (100 mm of height and 80 mm of interior radius of XPS) to keep a cryogenic mix (water and salt ice) at -15ºC at least for 40min. And my problem is to calculate the optimum thickness of XPS. I've been...
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