Question

The following information is given for tin at I atm: Hvap(2270.00°C)-1.939 x 102 J/g AHfo(232.00°C)-59.60 J/g Tb-2270.00°C T 232.00°C specific heat solid = 0.2260 Jg °C specific heat liquid = 0.2430 J/g °C A 28 20 g sample of solid tin is initially at 220.000. If 2.264 × 103 J of heat are added to the sample at constant pressure (P-1 atm), which of the following is/are true? (Select all that apply.) □ The sample is a solid in equilibrium with liquid. The sample is at a temperature greater than 232.00°C. Ll The sample is a solid. The sample is a liquid. The sample is at a temperature of 232.000. Submit Answer Retry Entire Group 9 more group attempts remaining

Answer 1

Sam Ple hr at 220°c at 232C ket beTm) at 232 C 30s.9c (TT2 (dD Change temperature = Tm-T 232-220)' C- 12"c Melt tin (%) Tm* 2 32 c US 2 4: 6x 28. 49, -1630,12 Joul TotaA heat 3 in the Proce 2 32 C 220 C

But, were s-f?lied w') heat 2·264x1033 = 22647ml She ex co heat i used Yaise CAT) ext steCalalate the exces heat excess S06 302 Jl 232° C can be cal ad ared USing the eÞoah on Sex cos» 28-2 X 0 243 o Select lhat ev omple IS Јус ater than 232.00 °C. Fxplona i on Be cause *he 2 30 s-9 which is 9Tcater thar Sannple now a 2 32 oc

3he Somple _44 a liwi tyrlananon , づhe sample been Cơm ver to liguid at 3os.9°C、 pom oli state C at 22 o°c) 送] The Som ple sa Solid m epo límom not africa le as the Pouy as oVexcorm e X3he sample a Solid. plicable as Sampleouo to Cal cl at on liqpil ccrdin h Sample is at a temperaire 232° c > Not applicable as the tem(eYQtre vot 2 3 2 C