Term
| What is the balanced chemical equation for the product of Al2O3 and Fe from Al and Fe2O3 ? |
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Definition
| 2Al + Fe2O3 ---> Al2O3 + 2Fe |
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Term
| A chemical reaction takes place. How are atoms or molecules shown in a balanced chemical equation? |
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Definition
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Term
| In a chemical reaction, a Chromium atom became the ion Cr+2. What happened to the Chromium ion? |
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Definition
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Term
| In a chemical equation how is the yield represented in a chemical equation? |
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Definition
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Term
| If you have 25 grams of Calcium and 10grams of Sulfur then according to the law of conservation of mass how many grams of CaS will be produced? |
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Definition
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Term
| What are properties of acid? |
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Definition
Taste sour
usually reacts with a metal
changes the color of an indicator |
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Term
| What are some examples of food that taste acidic? |
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Definition
| lime, orange, lemon, grapefruit |
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Term
| What are the properties of bases? |
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Definition
feels slippery
tastes bitter
changes the color of indicators |
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Term
| If two chemicals are mixed and the solution RELEASES energy is it exothermic or endothermic? |
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Definition
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Term
| If two chemicals are mixed and the solution ABSORBS energy is it exothermic or endothermic? |
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Definition
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Term
| Are hand warmers exothermic or endothermic? |
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Definition
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Term
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Definition
| a chemical that shows a definite color change when mixed with an acid or a base |
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Term
| What does the Law of Conservation of Mass mean? |
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Definition
| Mass cannot be created or destroyed. If you start a chemical reaction with 36 grams, then you end the reaction with 36 grams. |
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Term
| Is an acid or a base a proton donor? |
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Definition
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Term
| Is an acid or a base a proton acceptor? |
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Definition
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Term
| On the pH scale, what number is neutral? |
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Definition
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Term
| On the pH scale, what number represents the strongest acid? |
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Definition
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Term
| On the pH scale, what number represents the strongest base? |
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Definition
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Term
| On the pH scale, what number represents the weakest acid? |
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Definition
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Term
| On the pH scale, what number represents the weakest base? |
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Definition
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Term
| Which nuclear reaction is occurring on the sun? |
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Definition
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Term
| Which nuclear reaction is used to produce energy in a power plant? |
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Definition
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Term
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Definition
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Term
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Definition
| joining nucleus' together |
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Term
| Nuclear fission is considered the most efficient type of energy because a lot of energy is being produced from a small amount of ___________________. |
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Definition
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Term
| Why do lakes with limestone or calcium carbonate bottoms experience less adverse (bad) effects from acid rain than those lakes with a granite bottom? |
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Definition
| Calcium carbonate or limestone is a base and can neutralize the acid. |
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Term
| How many atoms of each element are present on the reactant side of the equation C5H12 + O2 --> CO2 + H2)? |
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Definition
Carbon=5
Hydrogen=12
Oxygen=2 |
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