Question

Tu rre-Lab Part A . Calculate it on mol NaOHfor the When 4.18 R sample of solid sodium hydroxide was dissolved in a calorimeter in 130.0 g of water, the temperature rose from 27.3 °C 1380 NaOH(s) Nat(g) + OH (0) Assume that is a perfect calorimeter and that the specific heat of the solution is the same as that of pure water 190 AED Omi? Submit Previous Answers Best Answer X Incorrect: Try Again: 3 attempts remaining < Return to Assignment Provide Feedback

Answer 1

Soluhim Part A As we know hat AM 2 whare mzmass Substanee p Speaifie hent (4.19alg) sTe diffevenee in tenperatue. 2 Heve maus water = 130,09 Specific Leat Change in temferctme T 36 7°C-22 2c 4.18 water 2 9.4c 9.4 °C 2 5107.96 J 510796 KJ mas d Na OH No o moles d Naon discolvedd Molar mais d NaoH 4.189 O'1045mo Since 01045 moles Naon pveduce d heat 5 kJ SH for dissoluhian .. dNaon O1045 mol 46.899 K/mo (Am

Soluhan given Concentrahon drug n bloodshesm after t hours represeuteo by 0./2 t CJ= g/ccs t2+t41 Thes After, 20 min 1 hours time 30 nuu O. hous So o 0.12 xOS (0.5)2+0541 o.O343 175 g/ces Afte s5min 35 times 35 min hous 0583 lou O12XD.58 3 C3s So, O.0364 1.923 eg/ees (0 S89)+058341 Thus AC=C35-C30 70.0364- 0.0343 4C 0.0021 mgcc3 Ans