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  1. M

    physics question please help

    please help d part (ii)
  2. M

    help?

    plis help
  3. M

    Chemistry Question please help

    Can somebody please help me with this Q When 0.47 g of E was completely burnt in air the heat produced raised the temperature of 200 g of water by 27.5°C assume no heat losses occurred during this experiment bi) use the relevant data from the data booklet to calculate the amount of heat released...
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