What is the term for a tentative proposal of a scientific principle that attempts to explain the meaning of a set of data collected in an experiment?
A) estimation
B) hypothesis
C) natural law
D) theory
E) none of the above
Question 2
How many cals are released as 50 g of water cools from 100C to room temperature (25C)?
A. 750 cal
B. 1250 cal
C. 3750 cal
D. 7500 cal