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ThermodynamicsMCQ

A 9.40 g sample of KBr is dissolved in 105 g of H2O at 23.6 ˚C in a coffee cup. Find the final tempeThermodynamics Chemistry Question

Question

A 9.40 g sample of KBr is dissolved in 105 g of H2O at 23.6 ˚C in a coffee cup. Find the final temperature of this system. Assume that no heat is transferred to the cup or the surroundings.

A.

20.0 ˚C

B.

20.3 ˚C

✓ Correct
C.

26.9 ˚C

D.

27.2 ˚C

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