How much heat in kilojoules is required to melt an ice cube with a mass of 18.6 g at 0 °c? the lf for water is 333 j/g.
a)0.0559 kj
b)55.9 kj
c)6190 kj
d)6.19 kj

The atoms in a sidewalk on a hot summer day are vibrating the atoms in the sidewalk on a freezing day in winter. a. more rapidly than b. more slowly than c. at the same speed as

Photoelectrons with a maximum speed of 6.50 x 107 m/s are ejected from a surface in the presence of light with a frequency of 6.75 x 1014hz. if the mass of an electron is 9.10 x 10-31 kg, calculate in joules the maximum kinetic energy of a single electron. 3.84 x 10-15 j 1.92 x 10-15 j 5.92 x 10-23 j 3.07 x 10-16 j

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island