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Sea water and fresh water does not have the same density because sea water has salt, which makes it more dense than fresh water Sea water and fresh water does not have the same density because sea water has salt, which makes it more dense than fresh water

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Q: Why sea water and freshwater do not have same density?
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Why can we float easier in the sea than in a freshwater lake?

The density of salt water is higher than fresh water.


Is sea water the same as water?

No. Freshwater does not have the same amount of dissolved materials as sea water. Sea water has a much greater amount of salt dissolved in it.


Does sea water has a higher density than pure water?

Sea salt and table salt are made of the same chemical compound. They have the same density. Sea salt is slightly less refined than table salt and may contained more minerals.


Why a ship sinks more in fresh water than sea water?

A ship will sink more easily, when in fresh water instead of sea water, as the fresh water is less dense, due to a lack of salt in it. The density of any object affects how well it's able to float.


Why seawater has greater density then that of freshwater?

because it has a higher concentration of ions and minerals!!! ions and minerals play a vital role to make sea water more dense. secondly, the molecular mass: water: h(2) + o(16) = 18g/mol NaCl = n(23) + cl(35.5) = 58.5g/mol NaCl has a higher moleculer mass so there is higher density than water seen!


Why is the sea water and freshwater pH different?

Since sea water is much denser than freshwater, the pH level would be higher. The saline levels in the sea water contributes to a higher acidic level.


Is there sea water in the swan river?

The river is freshwater


Would a boat floating in a sea have more or less upthrust than the same in freshwater?

Assuming its weight hasn't changed, then as it is floating, the upthrust on it equals its weight and so is the same. What WILL change, however, is how deep in the water it floats. The upthrust is provided by the weight of the displaced volume of water, the volume of which depends upon the density of the water which depends upon the temperature and saltiness (amongst other things) of the water. As freshwater is less dense than [briny] sea water, it will require more volume for the same weight and so the ship will float deeper in freshwater than in [briny] sea water. This can be seen in the load lines on the "Plimsoll Line" where the Freshwater line is much higher than, say, the Winter North Atlantic line (the latter being more salty and colder, and so much more dense) meaning that for the same load, that the waterline in Freshwater will be much higher up the ship than in Winter North Atlantic (or alternatively, the ship will float much deeper in the Freshwater than the Winter North Atlantic).


In general he density of sea water increases as?

depth and salinity increases density of sea water increases


The density of sea water increases as?

the density of sea water increases as salinity increases and temperature decreases


What is the difference from a lake vs sea?

A lake has freshwater and the sea has salt water.


Why it is easier to float in sea water than in fresh water explain this in light of density?

Salt water has a greater density, therefore, it can support a larger weight (for an object of the same volume).