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- app.101edu.co erbilt Universit... M Inbox (2) - esmat.h... Lobby | Top Hat Aktiv Chemistry D2L Homepage - Vande... M Gmail Handshake VYES - Vanderbilt - S... Question 14 of 22 Aluminum nitrate forms a white crystalline hydrate with the formula AI(NO3)3 nH₂O(s). If this hydrate is heated to a high enough temperature, H₂O(g) can be driven off, leaving the anhydrous salt AI(NO3)3(S). A 15.152-gram sample of the hydrate was heated to drive off the water, leaving Al(NO3)3(s) with a mass of 8.603 grams. Calculate the value of n in Al(NO3)3.nH₂O(S). Course Homor lons (1).uock mat Tools Help E Q Q Normal Times New ... BIU A A- 12 A student was given an unknown solid that gave the following test results: A portion of the solution of unknown emitted bubbles of a colorless, odorless gas when hydrochloric acid solution was added. Another portion of the solution gave a blood-red colored solution with potassium thiocyanate solution. 4. a) Which ions are present? Cation Anion b) Name the unknown salt. c) Write the correct formula for the salt. Another student's unknown gave the following test results: a portion of the solution of unknown gave a yellow precipitate with ammonium molybdate reagent. A flame test on some of the solution resulted in a bright yellow flame. 5. a) Which ions are present? Cation Anion b) Name the unknown salt. c) Write the correct formula for the salt. MO huluQ4. What is the immiscibility gap for a glass meh? Schematically expkin the spinodal decomposition of the said glass meh. Q5. What are the sources of flaws in gass? A material having a modukus of 10" N/m and a fracture surface energy of 2 J/m has a pristine strength of 40 GN/m. What is the interatomic distance in this material? What is the critical crack length for a material having a modulus of 100 GN/m and surface energy of 3 J/m if the failure stress is found to be 10,000 psi?
- Mganga is doing a routine analysis in a copper plating factory. He is regularly making up solutions of verypure CuSO4.5H2O. He suspect that a batch of a reagent used to make up a stock solution of CuSO4.5H2Ois impure and it may contains some CuCl2. He asked you to determine the percentage impurity as follows:Dissolve1.500g of a mixture and make up to 1.00L mark.150mL of this solution was treated with 20.00mLof 0.100M AgNO3 to remove 98.6% of chloride as AgCl precipitate.•0= AG° + RT * In (K) %3D • -AG° = RT * In (K) %3D • AG° = -RT * In (K) %3D AG° = -0.616 * In (K)... %3DAow mapy Jeitlgaules of cney వింగా ore Fagaried to coniert a l00 gum gream Sample of pure ligwd boptare 6aad at 20O oCto hapta e vogaar heptere vop 98-40C? [useus bata heptare CMW=100):normal boilug point=
- Q2: (A) Sketch the following Miller indices: 1.[102] 2. (2110) 3.(312)1. Which of the following compounds can form hydrogen bonds with water?a. octaneb. HClc. NaCld. acetic acid2. Maria wants to determine the percent water content of an unknown hydrate of AB. Given the following data:mass of empty crucible - 12. 2784gmass of AB · xH20 + crucible - 17.4960gmass of AB + crucible - 15.1314gCalculate the % water content of the hydrate3. From the above data, give the correct formula for the hydrate. (AB₂ Molar mass = 129.84 g/mol)1). The susceptibility of FeCl₂ obeys the Curie-Weiss law over the temperature range 90 K to room temperature (293K), with 0 =48K. Its molecular susceptibility at room temperature is 1.475 1022 emu/Oe g mol). (Use: N= 6.022 x 1023 atoms/g-mol, KB= 1.38 × 10-¹6 erg/K) (a) Show that the effective magnetic moment is 5.4 µB. (b) Show that the value of J is 2.25. (c) At an applied field of 8000 Oe, what is the value of the molecular field at 0 °C ?
- College of Teacher Bachelor of Secondary Education *promoting pedagogical excellence elor of Sec omoting pedage RIN ht: (a) (b) Br. C. CH3 b1. HNO3, H2SO4 2. Fe, H30*r H2/Pd s / oD Br NO2 (c) KMN04 7 (d) Cl CH3CH2CH2CI AICI3 H20 7. OCH3 4. Predict the major product(s) of the following reactions: OM (a) CI (b) CH CH CH3CH2C! AICI3 CH3CH2COCI AICI3 (c) CO2H HNO3 (d) N(CH2CH3)2 H2SO4 SO, H2SO4 ASITYrsity o... ingsbo... kboard... ARED4 ethod? 7... F2 Remaining Time: 1 hour, 22 minutes, 23 seconds. Question Completion Status: A Moving to the next question prevents changes to this answer. Question 1 # The angle of the water molecule (H₂O) is 180 degrees 120 degrees 100 degrees 90 degrees 109 degree A Moving to the next question prevents changes to this answer. MAR 14 80 F3 SA $ 000 F4 tv % F5 NA MacBook Air 22 F6 ∞r F7 45.113Tab Minbox (1,600)-fantilOudeledu X Mail- Francesca A Tantillo-Out xEXP #12: Geometry-CHM150-2x Aktiv Chemistry ← → C < Esc app.101edu.co Mostly sunny O ! D 7 A Silane, SiH., is a colorless, pyrophoric, toxic gas that is used to deposit elemental silicon for semiconductor and photovoltaic applications. Given the electron configuration of Si is [Ne]3s 3p2, how many valence electrons does Si have? Z 2 W S X # 3 E D $ 4 C OL R F % 5 FS T Question 18.b of 23 V G ^ 6 Y B & 7 H PrtScn U N 8 J Home ( 9 M K X End O 1 4 7 +/- PgUp 0 2 5 8 1. P 3 - 6 9 0 Pgon $12 0 APD + Update Submit C x 100 5:21 PM 7/6/2022 X 10 Del Backspace