Questions and Answers
What is the molecular formula of water?
H2O
Which model represents the structure of water with higher electronegativity of the oxygen atom?
Space-filling model
How many hydrogen bonds are around each oxygen atom in water?
Two
What property of water contributes to Earth's suitability for life?
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What is the measure of how hard it is to break the surface of a liquid?
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What is the specific heat of water?
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What process causes the cooling effect when a liquid evaporates?
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Why does ice float in liquid water?
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What makes water a versatile solvent?
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What is the measure of the total amount of kinetic energy due to molecular motion?
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What is the attraction between water and other substances called?
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What is a liquid that is a homogeneous mixture of substances called?
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What is the heat a liquid must absorb for 1 g to be converted to gas called?
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What helps transport water against gravity in plants?
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'Insulation of Bodies of Water by Floating Ice' is an example of:
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What is the measure of the amount of heat that must be absorbed or lost for 1 g of a substance to change its temperature by 1ºC?
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What property of water allows it to resist changing its temperature?
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What effect does warmer temperatures in the Arctic have on sea ice?
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What is the main reason for ice floating in liquid water?
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Which of the following contributes to the versatility of water as a solvent?
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What is the process by which water can stick to other molecules and make a hydrogen bond called?
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