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11 Cards in this Set
- Front
- Back
observations made with your senses |
Physical properties |
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are characteristics held an object that in the right situation could destroy a material. |
Chemical properties |
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The process in which one or more substances change to make one or more new substances |
Chemical reaction |
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formation of a gas formation of a solid precipitate energy change at times color change reactant is destroyed and products are formed |
Signs of Chemical Change |
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A chemical reaction where heat is released into the surroundings |
Exothermic reaction |
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A chemical reaction that requires Heat. |
Endothermic reaction |
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Energy cannot be created or destroyed but can be transferred from one to another |
Law of conservation of energy. |
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have a sour taste and tend to react with metals. they are corrosive and will break about the bonds with metal compounds many times releasing hydrogen gas. They will conduct electric current |
Acids |
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Have a bitter taste and a slippery feel to them. They will conduct electric current and are found in many household products. |
Bases |
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Is a measure of the insanity of a solution potential of hydrogen it ranges from 0 to 14 in value. |
pH scale |
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We use them to test a unknowns against the pH scale to determine safely the pH levels of a substance |
Indicator |