A 600-g piece of iron at 100°C is dropped into a calorimeter of negligible specific heat containing 100 g of ice at 0°C and 120 g of water, also at 0°C
What is the final temperature of the system? The specific heat of iron is 448 J/kg ? K, the latent heat of fusion of water is 33.5 × 104 J/kg, and the specific heat of water is 4186 J/kg ? K.
0°C (only some of the ice will have melted)
You might also like to view...
A(n) _______________ can thrive in extreme conditions, such as ice-covered lakes in Antarctica, far underground inside solid rock, amongst the cinders of summits of extinct volcanoes, or in pools of acids
Fill in the blank(s) with correct word
Two parallel beams of light in air strike the surface of a transparent material and the refracted beam 1 is closer to the normal than beam 2 . Which beam is traveling at higher speed in the material, and which beam has the higher index of refraction in the material?
a. beam 1, beam 1 c. beam 2, beam 2 b. beam 1, beam 2 d. beam 2, beam 1
At liftoff, the engines of the Saturn V rocket consumed 14,000 kg/s of fuel and exhausted the combustion products at 2900 m/s. What was the total upward force (thrust) provided by the engines?
a. 3.77 × 10^7 N c. 1.47 × 10^8 N b. 7.54 × 10^7 N d. 4.06 × 10^7 N
The Big Bang predicts that after the universe was born it
A) consisted of an equal mixture of all the chemical elements B) was completely empty C) consisted of mostly hydrogen and helium D) consisted of mostly carbon, hydrogen, oxygen and nitrogen