On a winter day the temperature drops from –15°C to –25°C overnight. If a pan sitting outside contains 0.20 kg of ice, how much heat is removed from the ice for this temperature change?
a. 0.1 kcal
b. 1 kcal
c. 4 kcal
d. 0.4 kcal
b
You might also like to view...
A star of apparent magnitude 6 appears ________ times brighter than a star of apparent magnitude 7.
A. 1.00 B. 0.5 C. 13.0 D. 2.51 E. 10.0
A cart starts with velocity v and rolls up the frictionless path shown. At what point does the cart have the greatest total energy?
A. 1
B. 2
C. 3
D. 4
E. all the same
Beyond the frost line of the solar system, temperatures were low enough for
A) metals to condense into solid form. B) rocks to condense into solid form. C) hydrogen compounds to condense into solid ices. D) asteroids to form. E) hydrogen and helium to condense into ice.
How far does a beam of light travel through space in one 365-day year? (c = 3.0 × 108 m/s)
A) 30 × 108 m B) 36 × 1016 m C) 95 × 1014 m D) 80 × 1012 m E) 20 × 1015 m