A100gm copper block is heated in boiling water for 10min and then it is dropped into 150gm of water at 30 c in a 200gm calorimeter. if the temperature of water is raised to 33.6 c . determine the specific heat of material of calorimeter?

(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present

Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?

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