Answer: 28
Explanation: the specific heat is closer to copper but higher than copper.
28 or 29 are the best predictions for the missing value.
"It is the heat required to increase the temperature of 1 gm of substance to 1 degree Celsius."
Hence ,considering the values given 28 or 29 are the best predictions for the missing value.
Learn more about specific heat here
https://brainly.com/question/6198647
#SPJ2