You are given a 52.0 gram sample of a hot metal that has an initial temperature of 98.0˚C. The hot metal is placed in a coffee cup calorimeter, which contains 100 grams of cool water with an initial temperature of 21.0 ˚ C. After a minute or so, the final temperature of both the metal and the water in the calorimeter is 25.0 ˚C. Calculate the specific heat of the metal.

Ifound this on google “these two compounds have a different ionic structure. caesium ion is larger in size when compared to the sodium ion. the charge gets more area to spread out evenly. so caesium chloride has a lower melting point than sodium chloride.” i hope this you for what your looking for

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Radon-222 or rn-222 has a half-life of 3.82 days. to determine the fraction of an original sample of rn-222 that remains unchanged after 7.646 days, we calculate the amount of rn-222 remaining after 7.646 days and divide it with the original amount. using 1 gram as a basis and using half-life calculation methods, we can determine that  0.249 or 0.25  grams of rn-222 will remain, and thus the fraction remaining is 0.25 or 1/4.