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water physically IS a liquid.
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∙ 12y ago
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What if your teacher floats a needle on the surface of a glass of water in a demonstration What property of water is being demonstrated?
The first I don't know. But the second s/he is demonstrating the liquid property of water. Why not ask him/her if you have a question about what your teacher is doing?
Is freezing chemical or physical property?
I would say that freezing point is a boiling property because there is no scientific evidence to suggest that it is or indeed ever will be a chemical property. Freezing point is a chemical reaction. Therefor this is a debatable question. Different people may have different views. This is mine."Freezing point" is usually termed as "melting point" in scientific circles. Melting point is defined as the temperature at which the solid and liquid phase of a substance coexist at equilibrium under the pressure of their own vapors. Ice and water coexist at equilibrium at temperature of 32 degrees F when only their own vapor pressures are acting upon them. However, the temperature difference at atmospheric pressure is negligible. As you can see, melting point (freezing point) only depends on the physical conditions acting on the substance, therefore, melting point (freezing point) is a physical property. Melting point is effected (lowered) by the addition of other molecules or ions to the substance. This effect is physical because it depends only upon the number of particles (molecules etc) added and no chemical reaction is required.
How do you write a formula with physical state?
Put a subscript ed letter or letters in parentheses next to the chemical substance. (s) is solid (H2O(s) is ice). (l) is liquid (H2O(l) is liquid water). (g) is gas (H2O(g) is water vapor). (aq) means something is dissolved in water (NaCl(aq)).
Is dissolution of s in cs2 is a chemical change?
dissolution is physical property
Is graphite lubricant a chemical or physical property?
The lubricating property of graphite is a physical property. The graphite does not undergo a chemical change when used as a lubricant.
When water freezes it a physical change or chemical change?
Physical!Ice is H20(s) and Water is H2O(l)
Is it a chemical or physical change when you freeze water?
Physical!Ice is H20(s) and Water is H2O(l)
When water vapor becomes s liquid?
it drips from somewhere
Is boiling nitrogen in a laboratory a physical or chemical change?
Compression of nitrogen or any gas does not alter the chemical property...only changes involve in physical properties... On compression the gas molecules are come into more close..so it is pressurized..not change its chemical property...and whenever chances is come it s expand ..
What can you say about an unknown compound with a disagreeable odor?
It reeks? Which is a physical property. It likely contains sulfur (S).
What is the chemical formula for the liquid ice?
It isn't. The melting of ice is a phase change, which is a physical change because the chemical composition of the water does not change.
Is sugar dissolved in water a chemical or a physical change?
it s a physical change.
