An unknown mass of each substance, initially at 23.00C,
Chapter 6, Problem 50E(choose chapter or problem)
An unknown mass of each substance, initially at 23.0 !C, absorbs 1.95 x 103 J of heat. The final temperature is recorded as indicated. Find the mass of each substance.
a. Pyrex glass (Tf = 55.4 ℃)
b. sand (Tf = 62.1 ℃)
c. ethanol (Tf = 44.2 ℃)
d. water (Tf = 32.4 ℃)
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