Small pieces of copper at 100.0°C are placed in 110.0g

of water at 25.0°C

in a perfectly insulated calorimeter. The water and copper reach the same final temperature. The initial and final temperatures of the water are shown.

A.220J

B.230J

C.460J

D.920J

What’s the percent by mass of carbon in c10h14n2

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.

To apply in a gold the individual gold atoms are united to each other by means of a metallic bond. how would you use the gold block to determine the atomic radius of a gold atom?