Question 12. 12. How much heat do you need to raise the temperature of 100 g of aluminum from 30°C to 150°C?

(Points : 5)
10.8 × 103 kJ

10.8 kJ

10.8 kJ

10.8 × 103 kJ
http://takeexam.next.ecollege.com/ec/pub/K12Content/Courses/resources/swfs/media/Ninth_Grade/Science/Unit18544/Lesson71489/VHS_CHEM_S2_09_04_104_test2.jpg

Question

Question 12. 12. How much heat do you need to raise the temperature of 100 g of aluminum from 30°C to 150°C?

     
(Points : 5)
       10.8 × 103 kJ

       10.8 kJ

       10.8 kJ

       10.8 × 103 kJ
http://takeexam.next.ecollege.com/ec/pub/K12Content/Courses/resources/swfs/media/Ninth_Grade/Science/Unit18544/Lesson71489/VHS_CHEM_S2_09_04_104_test2.jpg

anonymous · Answer

@ganeshie8

gebooors · Answer

Energy Q = m x c(Al) x Delta (T)
m = 0.100 kg
c(Al) = 0,900 kJ / (kg x degrees of C)
Delta (T) = 120 degrees of C

are you sure b and c are same value?