Author Question: A 50.0-g sample of liquid water at 25.0 C is mixed with 23.0 g of water at 79.0 C. The final ... (Read 137 times)

storky111 · **on:** Aug 27, 2018

A 50.0-g sample of liquid water at 25.0 C is mixed with 23.0 g of water at 79.0 C. The final temperature of the water is ________ C.

A) 123
B) 27.3
C) 52.0
D) 231
E) 42.0

Question 2

Which of the following statements is false?

A) Ozone is a better reducing agent than O2 (g).
B) Ozone is produced by passing electricity through dry O2 (g).
C) Ozone oxidizes all of the common metals except gold and platinum.
D) Ozone decomposes to O2 and O.
E) Ozone is an allotrope of oxygen.