4\ 1 point\ Calculation\

20.0g

of a solid substance

x

initially at

25.0\\\\deg C

is heated to its melting point at

75.0\\\\deg C

. Heat is continuously added until the substance completely melts. Calculate the total heat added (in

kJ

) to the substance during this process.\

C_(s)^(x)=3.93(J)/(g\\\\deg C)\ M_(M)(x)=45.0(g)/(mol)\ \\\\Delta H_(fus )=3.8(kJ)/(mol)\ \\\\Delta H_(vap )=54.0(kJ)/(mol)

\ Report your answer to 1 decimal place without the unit. Example: 1.0

20.0g of a solid substance X initially at 25.0C is heated to its melting point at 75.0C. Heat is continuously added until the substance completely melts. Calculate the total heat added (in kJ ) to the substance during this process. CsX=3.93gCJMM(X)=45.0molgHfus=3.8molkJHvap=54.0molkJ Report your answer to 1 decimal place without the unit. Example: 1.0