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physical science chapter 19 flashcards

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Term
Definition
In saline, what is water solvent or solute?   show
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show A partial positive and partial negative end  
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show Hydrogen bond  
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A non-polar molecule is:   show
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show An alloy, a solution, and a mixture of two solids  
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The unit most useful for measuring the particle size of a colloid is the:   show
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One of the simplest ways to increase the dissolving rate of a spoonful of sugar in a cup of water is to:   show
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If you decrease the temperature what happens to the dissolving rate of NaCl in water?   show
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show Dissolve more quickly than a whole antacid tablet  
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show The amount of dissolved oxygen in that part of the lake will decrease  
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Timed-released medicine improves the delivery of medicine to the body by using different:   show
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Children's vitamins are usually chew able. Why is it a good idea to make vitamins chew able?   show
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show 7  
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Most plants prefer slightly acidic soil within the pH range of:   show
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The chemical formula for a hydronium ion is:   show
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Heartburn, often caused by overeating, is a condition caused by excess:   show
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show Your blood pH decreases and your breathing rate decreases  
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show Are represented as H+  
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show Mixing equal amounts of these solutions would produce a neutral solution  
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What are the elements necessary to be present for hydrogen bonding to occur?   show
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show Methane  
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show Tetrahedral or bent  
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show Solute/solution  
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When you shine light through a liquid and the light scatters this is called:   show
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pH stands for:   show
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What are the 3 elements found in hydrogen bonding?   show
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show the pH goes down and becomes more acidic  
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show the pH goes up and becomes more alkaline  
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What protects your body from the acid in your stomach?   show
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What does acid do to blue litmus paper?   show
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show A base turns red litmus paper blue  
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Feels slippery, Acid or Base?   show
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tastes sour, Acid or Base?   show
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low pH, Acid or Base?   show
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bitter taste, Acid or Base?   show
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baking soda, Acid or Base?   show
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vinegar, Acid or Base?   show
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show base  
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bleach, Acid or Base?   show
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produces OH, Acid or Base?   show
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produces H3O, Acid or Base?   show
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Reacts with metals to produce hydrogen gas, Acid or Base?   show
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can be corrosive, Acid or Base?   show
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What temperatures do gases dissolve best in?   show
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show high temperatures  
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insoluable means   show
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show colloids and suspensions  
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negative for tyndall effect   show
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show gold and copper  
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amalgam made of   show
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show Zinc (Zn) and copper (Cu)  
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Steel made of   show
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purpose for using an alloy   show
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show polar dissolves polar and non-polar dissolves non-polar  
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show the oxygen end of the water molecule  
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reason for negative end of the water molecule   show
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show nonpolar  
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show polar  
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ammonia, Polar or Nonpolar?   show
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show pH 4  
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in the presence of an acid what is water, acid or base?   show
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in the presence of an alkaline, what is water, acid or base?   show
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reason fish stay in cooler water during hot weather   show
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