A 200-g metal container, insulated on the outside, holds 100 g of water in thermal equilibrium at 22.00°C
A 21-g ice cube, at the melting point, is dropped into the water, and when thermal equilibrium is reached the temperature is 15.00°C. Assume there is no heat exchange with the surroundings. For water, the specific heat is 4190 J/kg • K and the heat of fusion is 3.34 × 105 J/kg. The specific heat for the metal is closest to
A) 3850 J/kg ? K.
B) 2730 J/kg ? K.
C) 4450 J/kg ? K.
D) 4950 J/kg ? K.
E) 5450 J/kg ? K.
A
You might also like to view...
The time interval during which a nucleus has a 50% probability of decaying is its half-life
a. True b. False Indicate whether the statement is true or false
The period of a pendulum is 2.0 s in a stationary inertial frame of reference. What is its period when measured by an observer moving at a speed of 0.80c with respect to the inertial frame of reference?
a. 1.6 s c. 2.5 s b. 1.2 s d. 3.3 s
Two identical balls are thrown from the top of a building with the same speed. Ball 1 is thrown horizontally, while ball 2 is thrown at an angle ? above the horizontal
Neglecting air resistance, which ball will have the greatest speed when hitting the ground below? A) Ball 1 B) Ball 2 C) Both balls reach the ground with the same speed. D) Cannot be determined without knowing the height of the building. E) Cannot be determined without knowing the time each ball is in the air.
An object can remain balanced if
A. Its mass is equally distributed B. Its center of gravity is to the right of the pivot points C. Its center of gravity is to the left of the pivot point D. Its center of gravity is over the pivot point