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What 3 factors affect the density of sea water?
Temperature, pressure, and common ion effect
How does the calinity of water effect temperature and water currents?
Salinity, or saltiness, affects how readily the water changes temperatures as well as its density. Because of this, currents in the water can arise not only from the difference in temperature, but also from the density difference, which comes from the salinity itself.
Why do greenhouses use black containers filled with water in their operations?
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What will happen to the temperature of a pot of boiling water as the water evaporates?
As water evaporates from the boiling pot,its temperature drops.This results from the fact that water molecules during evaporation extract its latent heat of vapourization from the pot, thereby exerting a cooling effect on it and its content.Regulation of body temperature by sweating is based on this principle. When sweat comes out of its pores, usually in suny days, it evaporates and in the process extract its latent heat of vapourization from the body.This causes the body temperature to decrease.In this way it keeps the body temperature fairly constant.
What is the effect of soluble volatile substance on the boiling point of a water solution?
A soluble volatile substance will lower the boiling point of a solution. The volatile substance will boil at a lower temperature than the water component, thus causing the solution to boil at a lower temperature.
If you were testing the effect temperature has on seed germination where could you place the different containers with seeds in them?
incubators
What do you think causes the difference in the coldness or hotness of the water inside the containers?
the temperature
How is temperature diffrent from heat?
Heat is the cause and temperature is the effect. Heat is energy but temperature is outcome of storage of such heat energy in a body. If same amount of heat is given to the same mass of water and aluminium, then temperature will be more in aluminium but less in water. This is similar to the collecting air in different containers. Air is equivalent to heat and pressure created is equivalent to temperature.
What is the effect of temperature on the effect of evaporation?
Rapid evaporation helps reduce the temperature of water.
What do you think causes the difference in the hotness or coldness of the water inside the containers?
The hotness or coldness of the water inside the containers is primarily influenced by the initial temperature of the water being poured in, the insulating properties of the container material, and the surrounding environment. If the water is initially hot/cold, it will stay that way longer in an insulated container. Heat exchange with the environment can also affect the water temperature.
What is the effect of decreasing the temperature of the pH of water?
Decreasing the temperature of water the value of pH increase.
Describe an experiment used to find out whether there is any temperature change on mixing ethanol and water?
Measure equal amounts of water and ethanol in separate containers. Take temperature of both. Add ethanol to water and take temperature.
Which of the following has the least effect on lake water temperature?
Shade from surrounding trees has the least effect on lake water temperature.
How do you think temperature will effect transpiration in a plant?
Increase in temperature also increases the rate of evaporation of water, hence temperature will effect transpiration
Is it true temperature has no effect on water's phase?
It is not true.
What is the effect of increasing the temperature of the pH of water?
Increasing the temperature will cause the pH to decrease.
What two things effect the density of water?
Temperature and Salinity.
