Sketch possible interatomic potentials as a function of interatomic separation for two materials A and B. Material A has a high melting temperature and vaporization temperature and a high elastic modulus. Material B has a low melting and vaporization temperature and a low elastic modulus.

Material A = high elastic modulus and high melting temperature

Material B = low elastic modulus and low melting temperature

Explanation:

For material A, there is a high curvature to the inter-atomic potential, this is because of the strong nature of chemical bonding that exists in the material, and it takes a larger force for the change interatomic separation, which results in high elastic modulus and high melting temperature.

For material B, there is a short curvature to the interatomic potential, this is because of the wet nature of chemical bonding, and consequently, a much smaller force is needed for the change interatomic separation, which results in low elastic modulus and low melting temperature.  

the equation above shows how temperature f, measured in degrees fahrenheit, relates to a temperature c, measured in degrees celsius. based on the equation, which of the following must be true?

a temperature increase of 1 degree fahrenheit is equivalent to a temperature increase of

5

9

degree celsius.

a temperature increase of 1 degree celsius is equivalent to a temperature increase of 1.8 degrees fahrenheit.

a temperature increase of

5

9

degree fahrenheit is equivalent to a temperature increase of 1 degree celsius.

a) i only

b) ii only

c) iii only

d) i and ii only

answer:

on fri feb the green land, the only one who can