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reginajones
Questions (5)
When a piece of copper weighing 250 grams is placed n a cup with 450ml of H2O at 21C and the Cp of te cupis 47J/K, how many
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440 views
How many grams of gasoline would you need to burn if you started with 275 gram piece of ice that started at -25C and by the end
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487 views
If compound x has a first-order half-life of 24 seconds, how long would you have to wait for only 33% of the original material
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414 views
For a given reaction, the rate constant doubles when the temperature is increasd from 27C to 49C What ite activation energy?
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715 views
A 25 gram sample of H2O at 37.3C is mixed with 45 grams of H2O at 72.9C. What is the Temperature final of the mixture.
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404 views
