Question

In: Physics

at 4 degrees c water has maximum density than at 0 degrees c. what are the...

at 4 degrees c water has maximum density than at 0 degrees c. what are the advantages and disadvantages of this property of water

Solutions

Expert Solution

ANSWER- most liquids expand smoothly and become less dense with increasing temperatures water however is an expectation as its density is greatest at 4 degrees Celsius and less for both higher and lower temperatures. This property is important for the ecology of lakes .at temperature above 4 degrees Celsius the water in lake become denser .but as the water cools below 4 degrees Celsius, it becomes less dense and rise to the surface of the lake .this is the reason that ice form first surface of the lake.

Advantages-fish and aquatic life survive by the staying on the bottom where the temperature is at least 4 degree Celsius. If the water behave like other most substances and contracted as it froze,then ice would sink and expose more water at the surface that would then freeze ie lakes would freeze from the bottom up.

Disadvantages- it doesn't bevaour like other liquid.


Related Solutions

The density of water at 20 degrees celsuis is .9982 g/ml and at 0 degrees celsuis...
The density of water at 20 degrees celsuis is .9982 g/ml and at 0 degrees celsuis is .9150 g/cm^3. The volume of a typical soda can is 333ml. Assuming the starting temperature of the can is 20 degrees celsuis and is filled only with water, what volume would the can need to be so that when the water reached 0 degrees celsuis the can would not explode.
Recall that at 4°C, water has a density of 1.0000 g cm-3.  However, at 20°C, water has...
Recall that at 4°C, water has a density of 1.0000 g cm-3.  However, at 20°C, water has a density of 0.9982 g cm-3.   A student is using a balance to determine the difference between the amount of water transferred using a volume from a 10 mL volumetric pipette compared to a 10 mL in a 50 mL graduated cylinder.  To do this, the student measures the mass of a beaker and then adds water from the volumetric pipette.  The student records both measurements...
Consider copper from 0 degrees Celsius to 1000 degrees Celsius. The density for copper at 0...
Consider copper from 0 degrees Celsius to 1000 degrees Celsius. The density for copper at 0 degrees is 8.92 g/cm^3. Assume the vacancy formation energy is 0.91 eV/atom and that the volume coefficient of thermal expansion is 3 times the the linear coefficient of thermal expansion. 1) Determine the density change between these two temperatures due to the change in the number of vacancies. Thermal expansion coefficient of copper is 9.3 (10-6 in/(in R))*) OR 16.6 (10-6 m/(m K))
A gas has a volume of 4.70 L at 0 ∘C. What final temperature, in degrees...
A gas has a volume of 4.70 L at 0 ∘C. What final temperature, in degrees Celsius, is needed to change the volume of the gas to each of the following, if n and P do not change? a) 1.60 L b) 1800 mL c) 51.0 mL
a gas has a volume of 3.80 L. at 0 C. what final temperature, in degrees...
a gas has a volume of 3.80 L. at 0 C. what final temperature, in degrees Celsius, is needed to change the vine of the gas to each of the following, if n and P do not change? 1. 1.40 L (express in 3 Sig fig)  T1= 2. 1800 L (2 Sig fig) T2= 3. 12.0 L (3 Sig fig) T3= 4. 42.0 L (3 Sig fig)  T4=
A container of water has 400 mL of water at 90 degrees C. You add 100...
A container of water has 400 mL of water at 90 degrees C. You add 100 grams of ice at -20 degrees C. What is the final temperature of the mixture? please show work
The vapor pressure of water at 32 degrees C is 4.76 kPa. A glass of water...
The vapor pressure of water at 32 degrees C is 4.76 kPa. A glass of water in sealed in a a 1.00L container filled with air at 32 degree C. After the water comes to equilibrium with the air in the container, the total pressure is 1 bar and there is 500 g of liquid water in the glass. a. What will be the partial pressure of water vapor in the container? b. If 35.0 g of ethylene glycol is...
A dilute salt water solution has an osmotic pressure of 5 atm at 15 degrees C....
A dilute salt water solution has an osmotic pressure of 5 atm at 15 degrees C. Calculate the difference between the chemical potential of the water in the solution and that of pure water. Assume that the density of the solution is the same as that of pure water. The volume of the solution is 1 liter. The density of water is 1 g/cm3. Hint: since the solution is dilute, we can approximate by saying the volume of the solution...
It is well known that water freezes at 0°C at atmospheric pressure. The mixture of liquid water and ice at 0°C is said to be
It is well known that water freezes at 0°C at atmospheric pressure. The mixture of liquid water and ice at 0°C is said to be at stable equilibrium since it cannot undergo any changes when it is isolated from its surroundings. However, when water is free of impurities and the inner surfaces of the container are smooth, the temperature of water can be lowered to 22°C or even lower without any formation of ice at atmospheric pressure. But at that...
A compaction test measures a maximum dry density of 1666 kg/m3 and an optimum water content...
A compaction test measures a maximum dry density of 1666 kg/m3 and an optimum water content of 18.0%. The soil has an estimated Gs value of 2.68. A contract requires compaction to 95% of maximum dry density at water content of optimum or greater. A field test measures a moist density of 2023 kg/m3 and a water content of 27%. a) Use the values given for measured moist density and water content, calculate the field dry density b) Does the...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT