The atomic mass of gold is 197 g/mole, and the density of gold is 19.3 g/cm3. using this information along with the measured val

Question

aksik [14]

2 years ago

6

The atomic mass of gold is 197 g/mole, and the density of gold is 19.3 g/cm3. using this information along with the measured val

ue of young's modulus, calculate the speed of sound in gold.

Chemistry

1 answer:

olganol [36] · Answer 1 · 2022-08-01T10:30:38+03:00

olganol [36]2 years ago

6 0

The speed of sound is given by the formula
Speed of sound = square root (Young's Modulus/density)
Young's modulus for gold = 78 GPa which is 7.8 * 10^10 Pa
Speed of sound = (7.8 * 10^10 / 19.3 ) = sqrt (4.04 * 10^9 )
Speed of sound = 6.36 * 10^4 m/s <<<=== answer.