does mass or volume vary with temperature and why?
142406
Mass is not affected by temperature, but volume can be slightly changed because if an object heats up, the particles begin to move faster and so it expands, or vice versa if the object gets cooler.
775471
I think the cooling effect is the same as heating effect, but opposite of it. If so, then find out the coefficient per degree Celcius of that particular material.\n\nThe formula will be = difference in volume change / the original volume x difference in temperature change = coefficient per degree Celcius. Just reduce the minus (-) sign and treat it as positive even though we know it's reduced.\n\nThen find out if this material is one straight line/rod. If it's in square, then the volume change will be 2x. If cubic, 3x.\n\nDifferrent material have different coefficient. Liquids, solids, gases... Even different solids have different coefficient.\n\nAlso pay attention to...\nDensity = Mass/Volume\n\nI can't guarantee the accuracy but I hope this helps.
967745
when pressure increases, temperature increases...when pressure decreases, temperature decreases.....Charles\n\nwhen pressure increases, volume decreases, when pressure decreases, volume increases...Boyles
220721
Bathtub, as E=MC2, more mass, more potential energy it contains.  Temperature does not matter.\n\nIf you are thinking of kinetic energy,then equation is 1/2MVsquared. So obviously again it's the bathtub. Temperature is a measure of how fast the molecule is moving, that is it's velocity(V). so in this case temperature does matter. But since there's so much more mass(M) in the bathwater, it wins over velocity(temperature)\n\nSurface area has nothing to do with amount of potential or kinetic energy something has.
124349
The mass of any substance depends on how much you have of it, it is not a fixed amount.\nYou may be thinking of density perhaps?  The density of a substance is equal to its mass divided by its volume (D=m/v), density is the same for a given substance no matter how much you have.\nIf by chance you are talking about density, probably the most important liquid to know would be water with a density of 1 g/mL at room temperature.
647523
density = mass/volume.\n it changes wt respect to temp.\n as temp increases,volume increases and so density decreases. however there may b some exceptions.\n  as an example, if v heat water to high temp but less than it's boiling point, it's volume increases.\n  so, v can say that the density is less than the previous condition.
882010
The volume decrease due to temperature is:\n\n(22+273) / (37+273) = 295 / 310\n\nand the volume increase due to the change in pressure is:\n\n760 mmHg / 675 mmHg\n\n780 mL * (295/310) * (760/675) = 835.7 mL
94009
Weight can be determined by mass and the pull of gravity exerted on an object. But mass is not an indication of weight. Mass is presumed to be constant through varying gravities while weight fluctuates because it is proportional to both of these variables.
265293
It is due to a change in the mass as the volume of water changes.
426622
temperature differences
280201
Density = mass/volume
72077
Charles' law: If the volume of a container increases, the temperature of the gas inside increases.  If the volume of a container decreases, the temperature of the gas inside decreases.  \nIf the volume of the container increases, then the gas molecules must move faster and impact the walls of the container more often.  Therefore, the temperature must increase as well.
278728
If it is for a science project, web sites may or nmay not have the answers....that is all part of a project, to figure it out for yourself, develop your own theories, hypothesis, etc.\n\nI will say it all depends on the temperature....beyond that you're on your own.
865332
density =mass over volume ( i hate chem)
1171292
Sure, under non-equilibrium conditions.  Remember the Maxwell-Bolzmann energy distribution is only fixed at equilibrium...and thus the concept of "temperature" is only valid under equilibrium conditions.\n\nHowever, under pseudo-equilibrium conditions you can see a variance.  You may get one "temperature" for translational energy, and different (higher) "temperatures" for rotational and vibrational energies.\n\nYou can see this in supersonic expansions of gases into a vacuum.  The collision rate drops so rapidly that the higher "temperatures" of the rotational and vibrational energies are frozen in...no collisions are available to establish a true equilibrium w/ the translational energies.
979053
Mass is always mass in any situation. You can´t change the mass, you only can change some properties of the mass, such as, weight (according the gravity), quantity of cinetic energy (accordind the velocity of the mass), etc. But the mass is always the same mass!!!
772480
Density is mass per volume.   \nDisregard the weight; it's irrelevant.\nUse volume = lenght * width * height (or depth).