The specific heat capacity of silver is 0.06 cal/g°c. how much energy is needed to flow into a 5-gram sample to change its temperature from 10°c to 11°c? 0.012 cal 0.3 cal 0.56 cal 4.94 cal

The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 × 1013 rad/s. the mass of a nickel atom is 9.75 × 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 × 10-34 j • s, , 1 ev = 1.60 × 10-19 j)