An important contributor to global climate change is the release of co 2 from the rapidly increasing number of coal-burning power plants in china. assume that the coal burned at these plants to provide the power to manufacture a single mp3 player releases 40 kg of co 2 and that it costs $0.75 to capture 1 kg of co 2 and keep it from entering the atmosphere. determine the cost, in dollars, to capture the total amount of co 2 released from manufacturing one mp3 player.

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answer : one can design an experiment using a liquid and an additive that can be added to the liquid and observe the chemical changes in the reaction species.

one would need a beaker which is filled with a known amount of the liquid in which thermometer is placed to measure the temperature changes; after addition of the additive to the liquid solution one can note down the temperature change and find whether the reaction is endothermic or exothermic in nature. by subtracting the initial temperature value with the final temperature one can find the temperature changes.

various combinations of liquid and additive can be used. liquid in this case can be a known quantity of water and additives can be epsom salt or without epsom salt the experiment can be conducted to notice the changes. water and ice, hydrogen peroxide and dry yeast, vinegar and baking soda,etc.