Calorimetry: When 50 g of a certain material at 100°C is mixed with 100 g of water at 0°C, the final temperature is 40°C. What is the specific heat of the material? The specific heat of water is 1.00 kcal/kg ? C°.

A. 0.33 kcal/kg ? C°
B. 0.75 kcal/kg ? C°
C. 1.3 kcal/kg ? C°
D. 7.5 kcal/kg ? C°


Answer: C

Physics & Space Science

You might also like to view...

According to the Aristotelian view of motion, which of these would NOT work?

a. An arrow flying away from a bow. b. A stone dropping through water to the creek bed. c. An apple falling from a tree to the ground. d. A person climbing a tree. e. A rocket ship going to the moon.

Physics & Space Science

When the number of turns in a solenoid and its length are both doubled, the ratio of the magnitude of the new magnetic field inside to the magnitude of the original magnetic field inside is what?

A. 0.25 B. 0.50 C. 1 D. 2 E. 4

Physics & Space Science

What is the focal length of the combined lenses with individual powers of 8.0 diopters and 4.0 diopters?

A) 8.0 cm B) 5.6 cm C) 6.0 cm D) 8.3 cm E) 4.0 cm

Physics & Space Science

According to current evidence, Pluto is best explained as

A) a large member of the Kuiper belt. B) a terrestrial planet that is surprisingly far from the Sun. C) a very small jovian planet. D) an escaped moon of Jupiter or Saturn.

Physics & Space Science