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.
A sea water ice cube would melt faster than a normal ice cube because sea water has a lower freezing point due to the presence of salt. This means that it would require less heat energy to melt the sea water ice cube compared to a normal ice cube.
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.
No. Under normal circumstances oil and water are immiscible (they will not mix)
No, the density of a bathtub full of water would not be the same as just 1 gram of water. The density of water is a constant value regardless of the amount of water present. Density is defined as mass per unit volume, so 1 gram of water would have the same density as any volume of water.
Yes, sugar water would evaporate slower than normal water because the presence of sugar in the water would increase its boiling point and therefore slow down the rate of evaporation.
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
No, That would be a physical change....A chemical change would be for like example: Water Evaporting, Water Boiling, Water Freezing...etc
Water is a by product of the combustion and is normal.
Normal INR levels for someone not on blood thinner therapy (e.g. Coumadin) would be about 1.0.
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
The value will not change because no temperatures have been applied.
without water there would be no weather
you'll just go through a change in your menstrual cycle but then after a month it would be normal.
A sea water ice cube would melt faster than a normal ice cube because sea water has a lower freezing point due to the presence of salt. This means that it would require less heat energy to melt the sea water ice cube compared to a normal ice cube.
Refraction happens when a wave (such as light) enters a medium of different density, since the energy in the wave has to travel through a different amount of matter. Water would be more dense than air, so the wave will travel with less energy and bend closer to the normal.
Not as much as I would of thought. Normal water freezes at 0 degrees and lower. Salt water freezes at about -2digrees,(-1.93 to be exact)
it would absorb more and more water until it will explode