Chemistry, 23.10.2019 06:50 Nathaliasmiles
Calculate the number of calories needed to increase the temperature of 50.0 g of copper metal from 21.0 degrees c to 75.0 degrees c. given, the specific heat of copper is 0.382 cal/g x degrees c.
Answers: 1
Chemistry, 22.06.2019 23:00
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
Chemistry, 22.06.2019 23:00
What is the mass of naoh that would have to be added to 500 ml of a solution of 0.20 m acetic acid in order to achieve a ph of 5.0?
Answers: 1
Calculate the number of calories needed to increase the temperature of 50.0 g of copper metal from 2...
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