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How does water serve as an important role as a medium for the metabolic processes of cells?
What property of water is a result of this? Please keep it simple guys because im not very good at biology. Thank you

When making a solution, 20.4g of sodium chloride is dissolved in water to a final volume of 250.0mL?
when making a solution, 20.4g of sodium chloride is dissolved in water to a final volume of 250.0mL what is the molarity of the solution?

If I leave a glass of water for 2 weeks or more, is it still fresh and drinkable?
i.e can water go stale?If it does, why is this?Also, what about if the water is kept in a sealed bottle where it isn't getting any oxygen?WESLEY L That was my thought while asking this question. As freshwater is usually found in fast flowing streams and waterfalls I was wondering if the water stays fresh if it's kepts still inside a container.However, I do know that the process of evaporation and rainfall is important to water and this is also just water moving about but in a very differant way to streams and waterfalls.

How can the friction on a water slide be reduced?
warm the surface of the slide keep the surface of the slide dry run a constant stream of water down the slide increase the slope of the slide

Dilute HCL in water...Please Help!?
What is the pH of a 1.0E 8 M solution of HCl? Please note that you cannot simply add the contribution of H ions from the autoproteolysis of water and the contribution from the dissociation of HCl. You will need to use the quadratic equation to solve this problem and report the answer to 4 figures.

A 20.0 silver object and a 70.0 gold object are both added to 95.5 of water contained in a graduated cylind?
A 20.0 silver object and a 70.0 gold object are both added to 95.5 of water contained in a graduated cylinder. What is the new water level in the cylinder?Density of silver 10.5 , density of gold 19.3 .

When water evaporates?
A. more h bonds break than in condesation or B. polar covalent bonds break

How do you know when you have to water your cannabis plants?
They are less than a week old. I watered them once, but i still feel there is SOME moisture in the sand not very much. I heard it's better for them to be dry than flooded, so im reluctant to water them. They have not been watered in 2 days i think. How often do you water your baby plants?

Filling a bottle filled with air with water?
If I would close a bottle so that no air can get out and fill it with water, would the bottle explode? Is it even possible to do this?Thanks in advance. Thought of this in the loo yesterday and its been bothering me even since

Assuming that 67 percent of the Earth's surface is covered with water at an average depth of 2.5 mi, estimate?
also One student uses a meterstick to measure the thickness of a textbook and obtains 4.0 cm 0.1 cm. Other students measure the thickness with vernier calipers and obtain the following results. Which of these four measurements, if any, agree with that obtained by the first student? Select all that apply. a. 4.01 cm 0.01 cmb. 4.13 cm 0.01 cmc. 4.02 cm 0.01 cmd. 3.94 cm 0.01 cm

What's removed from water in the process of desalination?

I need to know if phosphate is present in water around factory/industry areas, or limestone/sandstone, or in s?
i just need to know if phosphate is present in these areas factory industry areas in the river next to it sandstone or limestone around rivers and seawater. the assignment is based around water properties.

Does the volume or mass (or anything) of liquid water change when it evaporates?

The specific heat of water is 4.2 joules/g C if you wish to heat 300 grams of water from 30C to 100C how much?
the specific heat of water is 4.2 joules g C if you wish to heat 300 grams of water from 30C to 100C how much heat will be required?