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Which of the following is not am example of a polymer? protein nylon kevlar concreta
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5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0°c and at the end it was 19.0°c. calculate the energy absorbed by the reaction.
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A stone is thrown with a horizontal velocity of 18m/s from a height of 75m.
How long does it take...
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