Q 8 please Hint: (molar mass of H-1, N-14g/mol), (R-0.0821 L.atm/K.mol), (The specific heat of water is 4.184J/g. C).1) Estimate the temperature where AG=0 for the following reaction: (Given: AH--195 kJ andAS-284.5 J/K) CAUTION: Beware of units.NH3(g) + HCl(g)->NH4Cl(s)A) 685 KB) 467 KC) 582 KD) 634 K2) Consider the reaction represented by the equation: N₂(g) + 3H₂(g) <-> 2NH3(g) Calculate theequilibrium pressures at a certain temperature: PNH,-3.7 x 10 atm, PN-8.9x10 atm, PH:-2.9x 10 atmA) 6.3x10*B) 2.9x104C) 5.3x10D) 4.9 x103) Consider the following reaction:2 N₂O(g)If the half-life for the reaction is 0.810 s, the rate constant is:A) 1.1 s¹¹B) 0.86 s¹4) Calculate AG for the reaction->COⓇCO₂(g)COC) + 1/202)Ca) + O₂+1/202- CO₂(g)A) 523 kJ2 NO(g) + O₂(g); rate=1C) 0.69 s¹AG=??AG°-454.4 kJAG=-257.2 kJC) 197.2 kJk[N₂0]B)-265.8 kJD) 651.6 kJ5) The volume of a sample of nitrogen N₂ is 9 L at 31°C and 732 torr. What volume will it occupy at STP?A) 6.59 LB) 7.18 LC) 6.90 LD) 7.78 L6)Which of the following pure substances exhibits hydrogen bonding?A) HCIB) H₂SC) CH₂D) 0.32 s¹D) H₂O7)A particular vinegar solution has a H₂O* concentration of 0.0185 M. What is the pOH of the solution?A) 10.7B) 17.3C) 12.3D) 15.88)What mass of ethylene glycol (M.W. = 62.1 g/mol) antifreeze must be added to 8.0 liters of water toproduce a solution that freezes at -23.3 C degrees. Density of water is 1 g/ml and Kr-186° C/m.A) 3.41 gB) 6.22 KgC) 7.81 kg=D) 0.78 kg11) The OH concentration in a 0.09M of Ca(OH)2 solution isA) 0.0075 MB) 0.18 M9) How much heat is required to raise the temperature of 1.5 g of water from 25°C to 27°C?A) 12.55 kJB) 6.27 kJC) 1.55 kJD) 40.5 kJ10) Calculate the osmotic pressure associated with 90.0 g of an enzyme of molecular weight 98,000 g/moldissolved in 2900 mL of benzene at 30.0 °C.A) 5.99 torrB) 1.96 torrC) 0.484 torrD) 2.48 torrC) 1.3x10-12 MD) 1x107 M12) A solution of 7.00 MHCHO2 is 0.57% ionized in water. Calculate the Ka value for the acid (HCHO₂).A) 2.5x10-³B) 0.2x10-³C) 2.3x104D) 0.23

Answered: Image /qna-images/answer/5cd42551-02ea-40c5-a698-39c2e1394438.jpg

8) What mass of ethylene glycol (M.W. = 62.1 g/mol) antifreeze must be added to 8.0 liters of water t produce a solution that freezes at -23.3 C degrees. Density of water is 1 g/ml and Kr-186° C/m. A) 3.41 g B) 6.22 Kg C) 7.81 kg D) 0.78 kg

8) What mass of ethylene glycol (M.W. = 62.1 g/mol) antifreeze must be added to 8.0 liters of water t produce a solution that freezes at -23.3 C degrees. Density of water is 1 g/ml and Kr-186° C/m. A) 3.41 g B) 6.22 Kg C) 7.81 kg D) 0.78 kg

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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