Does 1 litre of liquid weigh 1 kilo?

Answer 1

One litre was originally defined as "the volume of water that would weigh one kilo under standard temperature and pressure."

But 'standard temp and pressure' is a poor definition, and in 1901 it was refined to be:
"the space occupied by 1 kg of pure water at the temperature of its maximum density (3.98 °C) under a pressure of 1 atm. "

But... that made a litre to be 1.000 028 dm^3 (one decimetre, dm, is 10cm) And scientists decided that wasn't very pretty. In 1964, it was again redefined to be exactly one dm^3 - or a volume 10cm by 10cm by 10cm. So today, I litre of pure water, at 3.98°C and one atmosphere, is slightly less then a kg. But not much.

One litre of other liquids will have totally different masses - the mass is dependant on the density. On litre of molten lead will wheigh a lot more than one litre of water!

Answer 2

Only 1 litre of water which is a liquid weigh 1 kilo as standard has been set using water. All the other liquids will vary according to their density.

Answer 3

Weight Of 1 Litre Of Water

Answer 4

Litre is a measure of the volume the liquid occupies while kilogram is a measure of a material's weight.
One litre of a liquid need not be equal to 1 kilo. It depends on the density of the liquid.
In the case of water, 1 litre=1kilo. But for less denser liquids like kerosene, 1 litre is less than 1 kilo.

Answer 5

1 litre of water weighs 1 kilo. Other liquids weigh different amounts per unit volume.

Answer 6

1 litre of water weigh 1 kilo at 20 celsiusm. but the same volume of other liquid weigh more or less.

Answer 7

The only liquid where you can really say this is true is water. The metric system is based on natural measures; for example, the metre is supposed to be ten millionth the distance from the pole to equator to the north pole (but errors mean this is nop longer the case)

In the same way, the original definition of a litre was the total area occupied by a kilogram of water at room temperature and pressure.

But the mass of a particular volume of a liquid varries depending on the temperature and pressure it is at.

Answer 8

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Over night you digest and burn calories and you are Not Eating for about 7 hours. That would do the trick ;) The main thing that is changing overnight is the amount of water in your system. It's amazing how much water weighs! A gallon of water weighs 8 pounds, and a pint of water (16 ounces) weighs 1 pound (in metric, 1 liter of water weighs 1 kilogram). This means that if you drink a 1-liter bottle of soda, you instantly gain 1 kilogram (2.2 pounds) from the water! That's a big weight change, and it can happen very quickly. Overnight, there are two processes that cause you to lose water gradually. The first is respiration. Each time you exhale, you lose a little bit of water (exhale onto a cool piece of glass and you can see this moisture). The second is transpiration through the skin, also known as sweating. Over the course of a night, both of these processes eliminate quite a bit of water.

Answer 9

No, not at all which liquid are you talking off. If it is 1 litre water its almost equal to the weight of 1 KG ( 900.098646899548966 Kg)

Answer 10

That all depends on the person carrying out the test and whether the result would be of benefit. In an altruistc universe, then plain water at four degrees celcius would weigh 1 Kg if on Earth. So many factors including:
Liquid
Location
Temperature
Integrity of machines / person testing