THEO 185 Lecture 1: THEO 185 - Lecture 1 (2)

A genenc soixl. X. nes a realer mass 0( 7 1 5 g/m01 In a omstenlvem.e cacmnetet. 42 0 g of X is eMsetvec In 345 9 ?greater at 23 00 't X(s) X(ag) 0 :0700c0000 Cl the testa:mg sol000r nses 024700. Assume the .111ten has the urns specific neat as valor. 4 104.1.`(9 C). and that here's neghgtble heal loss to ths strtouneings. Hon roods bear was absmbe4 by the A:MExo? Caesar en lane conbard MX. canonised 44 genet M ane wed, genie. W4 9. X The eribelpy ol benefice el PAX Is WV ? -575500,5. 01.01100 [9 I The orthelpy al e 015 PA is 5/4,,,, ? 145 lidind U The bedsit mem el TA is lb ? 485 kinnol. 100 500100 Obey ol X Is 64144. -338 Meld le fib Ten) The toxi snow or Ye is 85 ? 165 Wend. What is ere enthalpy of Me remake? Odsredne the 15050 .0095 ((MX 14drese N.* 10 I kJ kJ boll Given these reactions. X(s)+ ?) -857.7 kJ / mol XCOM ?) X0(s) + COM All ?' +484.5 kJ / mol what is N for this reaction? Number XW + ! O()+ C0 9(g) ?> XCOM AH= kJ/ mol

Attempts Score ype here to search 6/18/2017 os:00 PM CA 4/10 6/17/2017 11:18 PM Gradebook Print Calculator Periodic Table Question 6 of 10 Map Sapling Learning The graph below shows the results of an experiment where a temperature probe was placed in a beaker of cool water for 5 minutes and then moved into a beaker of warm water at 6 minutes. Temp (TC 24 0 3 7 8 9 10 11 12 13 14 15 Time (min What was the warm-water temperature when the probe was moved into the warm water? Use the graph to estimate the temperature to the nearest 1 oC. Number o C O Previous ® Give Up & View solution Check Answer 0 Next Ext Hint Assignment Information Available From 6/11/2017 01:00 6/18/2017 05:00 Due Date: Late submissions: Allowed with 25 points possible per day until 06/19/2017 05 Points Possible: 10 Grade Category: Graded Description Policies: Homework You can check your answers. You can view solutions when you co give up on any question- You can keep trying to answer each until you get it right or give up. You lose 5% of the points available t answer in your question for each inc attempt at that answer. O eTextbook O Help With This Topic A. ENG

2. Using you data, what is the relationship between conductance and concentration for the HClag) solutions? 3. From your measurements, characterize each of the following as a strong electrolyte (SE), weak electrolyte (WE), or nonelectrolyte (NE): a. H20 b. HCI c. HNO3 d. KCI c. KNO f KOH 8. CHaCO2H h. CuSO i. NH3 j. Ca(NOsh k. Al(NOs)s 4. From your measurements, classify cach of the acids and bases as either a strong acid (SA) weak acid (WA), strong base (SB), or weak base (WB): a. HC b. HNO c. KOH d. CHaCO2H e. NH3 5. What are the principal causes for the differences in conductance values of isomolar solutions of KNOs, HNO3, Ca(NO3h, and Al(NO3)3?