mit Score: 8.3% Resources of 24 > Predict how the entropy of the substance is affected...
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c 10 Skills Practice Video C Assignment Score: 66.7% Resources G Give Up? Feedback Try Again < Question 1 of 2 > Attempt 3 - Consider the following reaction at 298 K. C(graphite) + 2 C1,() CCI,(1) AH° = -139 kJ Calculate the following quantities. Refer to the standard entropy values as needed. AS9 = 179.42 AS. = 466.44 AS unis 645.86 topic 10 Skills Practice Videos opic 10 Skills Practice Video E Assignment Score: 66.7% Resources...
am how many electrons in nel met Google Search ment Score: 71% Resources Co. Give Up? O Mine Check Answer m 22 of 22 > Attempt 2 - How many clectrons in an atom could have these sets of quantum numbers? electrons n = 5,6-1 electrons n = 6,4 = 3, m = -1 electrons MacBook Air
0 200/300 Assignment Score: Resources Hint < Question 2 of 3 > Write the equilibrium-constant, K., expression for the reaction A(g) + 2 B(1) = 4C(g) + D(g) Answer Bank B 4Pc 24 P
CGive Up? 380/2400 Score: Resources Question 11 of 24> If there are 8.80 moles of H, how many moles of each of the compounds are present? H2SO mol С,Н, О, mol
Assignment Score: 1879/2500 Resources by Give Up? Hint Check Answer Question 24 of 25 > Predict whether the following reactions will be exothermic or endothermic. Reaction A. N (9) + 3H2(g) — 2NH3(g) Reaction B. S(g) + O2(g) - SO,(g) Reaction C. 2H,0(g) — 2H,(9) +0,(9) Reaction D. 2F(8) - 5,() Bond H-H NEN O.O F-F H-N H-O AH°(kJ/mol) 432 942 494 155 386 459 S=0 522 Which reaction(s) are endothermic? Which reaction(s) are exothermic? OA OA OB oc OB...
C Give Up? O Hint Assignment Score: 1268/2400 Resources Check Answer ( Question 14 of 24 > Look up the ionization constant (K) values for the given acids. к, - acetic (ethanoic) acid: formic (methanoic) acid: K, = K, = propanoic acid: Arrange the acids according to strength. Strongest acid Assignment Score: 1268/2400 Resources C Give Up? O Hint Correct Check Answer < Question 14 of 24 > 100/100 Arrange the acids according to strength. Correct 0/100 Strongest acid Gave...
gnment Score: 86.00 stion 24 of 24 ) An experiment is performed on an unknown material and produces the given heat curve. The temperature of the material is shown as a function of heat added. 550 350 300 150 100 50 Resources 86.9% Assignment Score: < Question 24 of 24 > Heat In the table, Ti = 44.7 °C, E, - 189J, E = 836 J, E = 1370), and E. - 2850 J. Other experiments determine that the material...
for
each of the chemical reactions listed below, predict the sign of
the entropy. if its not possible to decide with the info given,
check not enough info.
reaction sign of reaction entropy 45px < 0 NaCl(s) — Na (aq) + C (aq) e A Sex > 0 not enough information, © Sex < 0 © aSix > 0 N,(9) + 3H, (9) — 2NH3(g) not enough information ASxn < 0 CH (9) + Br2(g) BrCH,CH, Br(1) A Sex >...
t Score: 35% Resources 1 Give Up? Hint Check of 30 > The rate constant for this first-order reaction is 0.650 s-at 400°C. A - products How long, in seconds, would it take for the concentration of A to decrease from 0.980 M to 0.280 M? contact help terms of Use privacy policy about us Careers 5 - 1 e ôO OW
Assignment Score: 233/2000 Resources Hint Check Answer Question 6 of 20 > Glucose, C H206, is used as an energy source by the human body. The overall reaction in the body is described by the equation CH,20 (aq) + 602(g) →600,(g) + 6H20(1) Calculate the number of grams of oxygen required to convert 38.0 g of glucose to CO, and H.O. mass of 0,: Calculate the number of grams of Co, produced. mass of con: