Chemistry, 20.03.2020 09:56 smartowl101
An aluminum engine block requires 8669 kJ of energy for the temperature to rise from 75.0 °F to 195 °F. The specific heat of lead is 0.897 J/(g°C)( What is the mass of the engine in kg? Please note that the temperatures are in °F, and need to be converted to °C.
Answers: 3
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Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.
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Chemistry, 22.06.2019 07:00
What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will
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Chemistry, 22.06.2019 16:00
How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?
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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
An aluminum engine block requires 8669 kJ of energy for the temperature to rise from 75.0 °F to 195...
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