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Name Prelaboratory Assignment 9 (25 pts) 1. A sample of 0.72 g of Al is reacted with 17.0 mL of 2.4 M KOH. Which one is the limiting reagent? SHOW WORK! 9 pts 2Al(s) + 2KOH (aq) + 6 H20 (1) ► 2KAl(OH)4 (aq) + 3 H2 (8) 2. If a salt has a solubility of 27.2 g/100 mL water at 25 °C, what volume of water would be needed to dissolve 12.4 g of the salt? 6 pts 3....
nat an exotic plant or tree can be al" vegetation. However, Geog IL Quiz#10D Explain how it is possible that an exotic plant or tree can be considered part of the natural vegetation? 2. In what kind of environment would mangrove occur? 3. Name an example of a tree that is both deciduous and needleleaf at the same time. 4. What is the genus name for redwood trees? 5. Which of the following is not a type of grassland? A....
Data Sheet: Experiment 9 Name Date Performed 75 pts 1. Mass of Al metal reacted. 0.51 09 2. Mass of alum product 6.80 3. Theoretical yield of alum 10 pts 4. Percent yield of alum, KAl(SO4)2 12H2O 10 pts 15 pts Calculations: Volume of water necessary to dissolve the 6.80 g alum crystals: mL. 9 pts 5. Write the net ionic equations for the reactions of the following compounds with KOI 21 pts . AINO.). (a) ові ове с
IJpRLDS #1 ACADEMIC OUTLINE GANIC CHE FUNDAMENTA 4 CHAPTER 9 Organic Reactions 2-Alcohols, Ethers, Al .70 Name each of the following molecules a. CH3C(CH3)2CH2C-H b. CH3CCH2CH(CH3)2 c. CH3CH (CH3)ČCH(CH3)2 d. CH3CH,CH(CH,CHsCH3) С-H
Name Prelaboratory Assignment 9 (25 pts) 1. A sample of 0.72 g of Al is reacted with 17.0 mL of 2.4 M KOH. Which one is the limiting reagent? SHOW WORK 9 pts 2Al (s)+ 2KOH (aq) + 6 H2O ()-2KAI(OH), (aq)+ 3 H: (g) 2. If a salt has a solubility of 27.2 g/100 mL water at 25 °C, what volume of water would be needed to dissolve 12.4 g of the salt? 6 pts 3. Calculate the theoretical...
Aluminum oxide (Al2O3) is produced according to the following equation. 4 Al(s) + 3 O2(g) → 2 Al2O3(s) If the reaction occurs with an 82.4% yield, what mass of aluminum should be reacted with excess oxygen to produce 45.0 grams of Al2O3? a. 54.6 g Al b. 37.9 g Al c. 35.1 g Al d. 23.8 g Al e. 28.9 g Al How do we solve this problem
Q.9. Arubberised flat belt is moving at 14 m/s with the tension in the tight side of 10.0 kN and the slack side of 5.0 kN. The belt is 350 mm wide and 10 mm thick, and it is constructed of 5 plies of 32 oz canvas ducking. What is tension ratio in the belt? A. 2.0 В. 2.1 С. 1.9 D. 2.3 E. none of above (4 Marks) Q.10. A V-belt drive system is to be designed to transmit...
12. Which of the following correctly represents the second ionization of aluminum? A) Ait (g) + € → Al (9) B) AI (g) → Al* (g) + e C) Al-(g) + e + A1-(g) D) A1+ (g) + e* → A12+ (8) E) A1+ (g) → A12+ (g) + e*
QUESTION 2 Given the unbalanced equation: ____ Al(s) + ____Cl2(g) → _____AlCl3(s) If 50.00 g of aluminum and 150.00 g of chlorine gas are reacted.Calculate the maximum number of moles of AlCl3 that can be formed. a)1.0579 mol b) 2.1157 mol c) 1.853 mol d)1.4104 mol e) 0.9266 mol
Calculate E0cell (in volts) for the reaction as written: 4 Al(s) + 3 O2(g) + 12 H+(aq) --> 4 Al3+(aq) + 6 H2O Data: O2 + 4 H+ + 4 e- --> 2 H2O E0red = +1.22 V Al3+ + 3 e- --> Al E0red = -1.66 V a. +0.44 b. -2.98 c. +2.88 d. +2.98 e. -0.44