physical science chapter 19 flashcards
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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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