Homework Clinic
Science Clinic => Chemistry => Topic started by: vicotolentino on Aug 27, 2018
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A piece of aluminum weighing 10.0 grams is placed into a graduated cylinder that has an initial volume (before immersion) of 35.0 mL. After immersion, the volume on the cylinder reads 38.7 mL. What is the density of the metal sample?
A) 2.70 g/mL
B) 0.25 g/mL
C) 0.28 g/mL
D) 0.37 g/mL
E) 3.70 g/mL
Question 2
If the specific heat of aluminum is 0.90 J/(gC), how much heat is needed to raise the temperature of a 10.0-gram piece of aluminum from 21C to 61C?
A) 360 J
B) 180 J
C) 540 J
D) 900 J
E) 90 J
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Answer to Question 1
A
Answer to Question 2
A
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Thanks
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