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18 Cards in this Set
- Front
- Back
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Amorphous solid
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A solid without a crystaline shape; very unorganized
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crystaline solid
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well ordered cubic shape of atoms making crystals
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What is decanting?
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carefully pouring one mixture into another. An example is separating oil and water and decanting the oil into a different container.
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define volatile
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Easily vapourized
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Who discovered the law of conservation of mass
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Antoine lavoisier
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Name five types of energy
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kinetic energy potential energy electrical energy thermal energy chemical energy |
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What is a calorie?
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the energy required to raise 1g of water 1Degree C
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What is an exothermic reaction?
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a reaction that releases energy
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what is an endothermic reaction?
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a reaction that absorbs energy
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How does temperature differ from heat?
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Temperature is the measure of the total termal energy. Heat is the measure of energy exchanged.
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What is the formula for C-F-k
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c= f/1.8 - 32/1.8 k= c + 273.15 |
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What is the fomula for heat?
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q=(m)(C)(ΔT) q = heat (joules) m = mass (grams) C = specific heat capacity (j/g°C) ΔT = temperature change |
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How many joules are in a calorie?
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4.184J = 1c
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What subatomic partical defines the atomic number?
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protons
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What are anions? |
Negativly charged ion
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What are Cations?
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Positivly charged ions
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who first proposed that all things were made of small indivisible things called atoms?
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Democritus |
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