Chemistry Semester Fill in the blank review
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Forest fire releases energy in the form of what?
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heat and light
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A chemical reaction in which two or more substances react to produce a single product is called what?
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synthesis
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A chemical reaction in which oxygen combines with a substance and releases energy in the form of heat and light is called what?
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combustion
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In an aqueous solution, the solvent is always what?
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in water
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A real-life example of a decomposition reaction is what?
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air bags deploy
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A real-life example of a synthesis reaction is what?
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formation of salt
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A real-life example of a combustion reaction is what?
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fireworks
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A real-life example of a double replacement reaction is what?
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neutralization of acids
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The amount of product formed during a reaction depends on the what?
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limiting reactant
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A chemical equation rarely produces the what of the product?
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theorectical yield
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Chemists sometimes use what to speed up a chemical reaction?
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catalysts
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When particles are emitted from a radioactive substance it is said to what?
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decay
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What decay occurs when an alpha particle is emitted from a nucleus?
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alpha
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What decay is redistribution of the energy within the nucleus?
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gamma
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What is the device that is used to detect and measure radioactivity?
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Geiger counter
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The surface tension of water is greater than the surface tension of cooking oil because the attractive forces between the molecules of cooking oils is what than the attractive forces between the molecules of water?
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weaker
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Paper towels can absorb water to a large extent because what forces between the molecules of paper and water are greater than the what forces among water molecules?
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adhesion and cohesive
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The smallest, repetitive of crystals such as fluorite and corundum are called what?
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unit cells
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When a liquid is insoluble in another liquid, the liquids are said to be what?
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immiscible
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A substance that does not dissolve in a solvent is said to be what in that solvent?
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insoluble
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The maximum amount of solute that can dissolve in a given amount of solvent at a specific temperature and pressure is called what?
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saturated solution
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A measure of the amount of solute dissolved in a specific amount of solvent or solution is called the what of the solution?
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solubility
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When an ionic solid completely dissolves in water, the process is called what?
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dissociation
