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Science- Water Prop.
water properties
Question | Answer |
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water molecule is composed of 1 oxygen atom 2 hydrogen atoms.The oxygen end of the molecule carries a - charge and the hydrogen end of the molecule carries a + charge.This causes water molecules to be attracted to other water molecules. what is this? | cohesion |
What term is used to describe the amount of energy it takes for 1 gram of a substance to be raised one degree in temperature? | specific heat |
What happens to water when it freezes? | it expands and becomes less dense |
The buoyant force is determined by...? | the amount of water displaced by an object. |
As with all substances, water's density changes as its temperature changes. At what temperature is water's density the greatest? | 4° C |
water molecule is composed of 1 oxygen atom 2 hydrogen atoms.The oxygen end of the molecule carries a - charge and the hydrogen end of the molecule carries a + charge.This causes water to be attracted to other materials that carry an electrical charge. | adhesion |
The ability of water to act as a solvent for so many substances is due to its...? | Polar nature |
Which statement is true about the solubility of ions in water? | Both cations and anions are soluble in water. |
Water is known as the universal solvent. It can dissolve so many different substances because of its...? | polar nature. |
Why does ice float in water? | when water freezes, it expands and becomes less dense |
What is the maximum density of pure water? | 1 gram/cm3 |
Which of the following statements about pure water is true? | pure water is a neutral substance |
What is unusual about the density of ice? | It is less than the density of water, so that it floats. |
Water is known as the universal solvent because | it dissolves a large number of substances. |