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Because it's not pure water. It has other minerals and additives in it, which throw off the pH a bit. Tap water's pH can vary by region of the country, or world depending upon what else is in it besides water. Even bottled water isn't pure; you have to distill it.
Wiki User
∙ 11y ago
Wiki User
∙ 7y agoTap water can absorb carbon dioxide.
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Is boiling water to make tea a chemical reaction or a reversible change?
Yes, because you can cool the water back and it would be normal water again
Which would not change a potted plants growth?
lack of water and fertilizer would not change the growth
What would melt faster a normal ice cube or a sea water ice cube?
A sea water ice cube -- Because the melting point of sea water is lower than that of normal water.
What happens to you fingertips when you spend too much time in the bathtub or a swimming pool. Would adding bath salts to the bath water change the outcome?
Your fingertips and toes absorb water and become wrinkled as the swell, bath salt will not change this, your fingers and toes go back to normal as they dry out.
Would oil dissolve in water yes or no?
No. Under normal circumstances oil and water are immiscible (they will not mix)
What is the pH of boiling water?
Normal water contains impurities and minerals, so during boiling, these impurities are expelled, but this changes the pH value a little, thus the pH value would be about 7. Boiling pure water (pH7), will result in boiled pure water being at pH value 7, as there are no impurities or minerals in it
Is boiling water to make tea a chemical reaction or a reversible change?
Yes, because you can cool the water back and it would be normal water again
Is movement a chemical change?
No, That would be a physical change....A chemical change would be for like example: Water Evaporting, Water Boiling, Water Freezing...etc
How a change in medium water to gelatin would affect the rate of diffusion?
A change in medium water to Gelatin would affect the rate of diffusion dramatically. The change from water to gelatin would slow down the rate of diffusion.
Why would your car leak water from the tailpipe when its on?
Water is a by product of the combustion and is normal.
What is water natural pH?
I think you are speaking about 'normal' or 'neutral' pH. This would correspond to a value of 7.0 on the pH scale and is generally associated with pure water. Check this for more details: http://en.wikipedia.org/wiki/PH
What is normal inr value?
Normal INR levels for someone not on blood thinner therapy (e.g. Coumadin) would be about 1.0.
Would the value of each substance change if each were moved into a larger container?
The value will not change because no temperatures have been applied.
What does the phase change graph for water look like?
the graph would look like a normal heating curve however at 0 degrees celsius and 100 degrees celcius, there would be a flat line.
How does water change weather?
without water there would be no weather
How do you expect the water level to change when the apparatus is placed in warm water?
the object would float on top of the water so the water level would change because of the heavy object
How would diverting water southward change weather patterns?
Primarily it would change the weather patterns in the Northern Areas where the Water was diverted from.
