Using the specific heat data of Table 6.8, calculate the amount of heat (in calories) needed to increase the temperature of the
following:
a. 210 g of copper from 40°C to 95°C
b. 150 g of mercury from 120°C to 300°C
c. 2500 g of helium gas from 250°C to 900°C

For each of the compounds below, show that the charges on the ions add up to zero. a. kbr b. cao c. li(2)o d. cacl(2) e. alcl(3)

Areader can tell that the meaning of “obnoxious” will include “having the quality of something” because of the .a) prefix b)pronunciation c)suffix d) word root

The diagin dilutepage 6 of 12a6a5(a)fluorine, chlorine, bromine and iodine are placed in the same group of theperiodic table. state the common name used to describe elements in this group.(i)state the group in which the elements are placed and explain whythey are placed in that group.(ii)which of the above named elements is a solid at roomtemperature and pressure?