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22 Cards in this Set
- Front
- Back
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Heat |
A form of energy. |
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Temperature |
An indication of the degree of hotness or coldness of a body. |
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Specific Heat Capacity |
The amount of energy required to raise the temperature of 1kg of a substance 1°C. |
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Pressure |
The force exerted on a surface per unit area. |
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Density |
The mass of a given substance per unit volume. |
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Matter |
That which has mass and occupies space. |
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Molecule |
The smallest particle into which a given substance can be devides without changing it's identity. |
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Examples of Elements |
• Aluminium • Carbon • Copper • Gold • Mercury |
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Examples of Metals |
• Aluminium • Iron • Copper • Zinc • Lead |
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Examples of Non-metals |
• Hydrogen • Carbon • Nitrogen • Oxygen • Sulphur |
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Examples of Electrolytes |
• Sulphuric acid diluted with water • Copper sulphate and water solution • Table salt and water solution |
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Chemical Compound - Water |
Hydrogen & Oxygen H2O |
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Chemical Compound - Table Salt |
Sodium & Chlorine NaCl |
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Chemical Compound - Sulphuric Acid |
Hydrogen, Sulphur & Oxygen H2SO4 |
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Chemical Compound - Hydrochloric Acid |
Hydrogen & Chlorine HCl |
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Chemical Compound - Limestone |
Calcium, Carbon & Oxygen CaCO3 |
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General Uses of Hydraulics (Single Cylinders) |
• Simple hydraulic jacks for cars • Trolley jacks • Hydraulic lifts in garages |
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General Uses of Hydraulics (Multiple Cylinders) |
• Hydraulic cylinders on heavy earth-moving equipment • Hydraulics lifts on back of tractors • Hydraulic cylinders on cranes |
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Pressure on piston during pressure stroke |
P = pgh |
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Average power output |
P = (F × s) ÷ t |
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Wd |
W = P × t |
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Force required |
F = pgh × piD^2÷4 |
