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1) An 85.0 g sample of copper is initially at 22.2 ∘C What is the final temperature if the sample absorbs 2.35 kJ of heat?

The specific heat of Cu is 0.385 J/(g^ Degree C)



2) A 75.0 g sample of aluminum is heated to 65.3 ∘C then allowed to cool. What is the final temperature if the sample releases 2.07 kJ of heat?

The specific heat of Al is 0.903 J/(g degree C)

14. many depressants reduce small muscle control, making it harder for a. you to steer b. your mind to consider complex problems c. the eye to scan, focus, or stay still d. the kidneys to filter alcohol out of the bloodstream

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.