Question

Use the References to access important values i h u m In the laboratory a student finds that it takes 45.7 Joules to increase the temperature of 13.0 grams of gaseous krypton from 22.1 to 374 degrees Celsius The specific heat of krypton calculated from her data is

Answer 1

Use Heat Equatbn Answer Lohere a=Heat ehnsy J m mals C7) C Speathic Heat Q-MCAT Gue, m 12.09 (9)Kr J/20c) T 22.10 C AT chanze ah tem(c) Th 33.4°C AT T2-T2 37.4- 22.1 = 15- 3C a - 45- J Put uslur Q m.c AT 4 5. J 130 Cx 1s- 3 45.7 J aS.7 13 0x1S.3 7c 0-229 3/30 C Specetic hataf Rryptor (kr) C 0.229 J/90c Anseren Criven that, 20.1 T 10.29 Ti- 21. C T2- 36.10c 36.1-214 15°C AT Putvelee 21.1 J 20-1 J d0.131 J 160.580c lo.49-KC goc

Speahic Heat (C) tunsusten=0.131 JI9C Ansceeen Criuer that, m-12.4 T1 22-20c Te 37.1 °c - T2-T, 371-22. 2 14.9 °c 4T / Fromn above Quushon Specihc heat Khton C 0.229 J/g°c IS taken Hanee e 12.4g x 0.229 x 14.9 (2.4 X0. 229 19.9 J 42.31 J Anpwer "Pleate rate it