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please just answer number 3 at the bottom
Show all work for full credit. 1, Write...
Show all work for full credit for problems 1-3. 1. Ibuprofen has the mass percent composition:...
Show all work for full credit for problems 1-3. 1. Ibuprofen has the mass percent composition: carbon = 75.69%; hydrogen = 8.80% and oxygen 15.51%. Calculate the empirical formula. Answer: Pls answer all Questions thanks 2. How many grams of chlorine are in 22.50g of CF3C13? Answer: 3. Silver chloride, used in silver plating, contains 75.27% silver. Calculate the mass of silver chloride in grams required to make 4.8 g of silver metal. Answer: 4. Predict the products and write...
Must write equation with format and choices given. Not just final answer. Fill in with options...
Must write equation with format and choices given. Not just
final answer. Fill in with options given. May add factors.
How many liters of a 0.209 M KI solution is needed to completely react with 2.43 g of Cu(NO)2 according to the balanced chemical reaction: 2 Cu(NO3)2(aq)+4Kl(aq)-2 Cul(aq) I2(s) + KNO3(aq) 4 х STARTING AMOUNT RESET ADO FACTOR ANSWER 0.00542 166 187.57 4 0.124 2.43 2 0.209 6.022 x 1023 0.0620 0.0310 1 mol Cu(NO3)2 mL Cu(NO3)2 L Cu(NO3)2 L...
Name SHOW ALL WORK. NO CREDIT UNLESS ALL WORK IS SHOWN. ROUNDING/SIG FIG ERRORS WILL BE...
Name SHOW ALL WORK. NO CREDIT UNLESS ALL WORK IS SHOWN. ROUNDING/SIG FIG ERRORS WILL BE PENALIZED. 1. Parts a-j of this question refer to the following cell at 298 K. Complete the diagram of the following voltaic cell: Silver and iron electrodes, aqueous Silver nitrate, aqueous iron (UI) nitrate, potassium nitrate salt bridge. Fe3+ (aq) + 3e → Fe (s) Ag (aq) + e - Ag(s) E° -0.040 V Eº= 0.795 V a. Identify the electrodes as Anode or...
Problem solving. You must show all your work to receive full/partial credit for problems below. If...
Problem solving. You must show all your work to receive full/partial credit for problems below. If your shown work is not legible and logical, you will earn a grade of zero for that particular question. If you do NOT show your work and only show the correct answer, you will NOT receive full credit. 16. (10 points total) Answer the following questions about the reaction of iron (III) oxide with carbon monoxide. (6 points) Write the balanced reaction between iron...
Name SHOW ALL WORK. NO CREDIT UNLESS ALL WORK IS SHOWN. ROUNDING/SIG FIG ERRORS WILL BE...
Name SHOW ALL WORK. NO CREDIT UNLESS ALL WORK IS SHOWN. ROUNDING/SIG FIG ERRORS WILL BE PENALIZED. 1. Parts a-j of this question refer to the following cell at 298 K. Complete the diagram of the following voltaic cell: Silver and iron electrodes, aqueous Silver nitrate, aqueous iron (UI) nitrate, potassium nitrate salt bridge. Fe3+ (aq) + 3e → Fe (s) Ag (aq) + e - Ag(s) E° -0.040 V Eº= 0.795 V a. Identify the electrodes as Anode or...
Show all of your work for full credit and report your final answer with the correct...
Show all of your work for full credit and report your final answer with the correct number of significant figures and units. Solid MnO2 and HCl in an aqueous solution react to form MnCl2 in an aqueous solution, gaseous Clz and liquid H:O. a) (5 points) Write and balance the chemical equation. Be sure to show the phases of the reactants and products. b) (20 points) 20.0 g of MnO2 and 300 g of HCI react. Which is the limiting...
temp is : 298K QUESTION 9 Please show all work. For full credit provide equations used....
temp is :
298K
QUESTION 9 Please show all work. For full credit provide equations used. Please use correct significant figures and correct units in answers. The equilibrium constant for the reaction, 2Fe3+ (aq) + Hg22+ (aq) = 2Fe2+ (aq) + 2Hg2+ is Kc = 9.1 x 10-6 @298K a. What is AGO at this temperature? b. If reactants and products in their standard state concentrations (1M) are mixed, in which direction does the reaction proceed? Provide a numerical justification...
Question 23 Extra Credit FREE RESPONSE QUESTIONS The decomposition of hydrogen peroxide. 1. Write a balanced...
Question 23 Extra Credit FREE RESPONSE QUESTIONS The decomposition of hydrogen peroxide. 1. Write a balanced chemical equation. 2. Oxidation states of atoms in reactants? 3. Oxidation states of atoms in products? 4. Substance oxidized? 5. Substance reduced? 6. Oxidizing agent? 7. Reducing agents? 8. Number of electron transfer?
PART II: TITRATIONS à MAKE SURE TO SHOW ALL OF YOUR WORK!!! A solution of LiOH...
PART II: TITRATIONS à MAKE SURE TO SHOW ALL OF YOUR WORK!!! A solution of LiOH is used to neutralize a solution of H2SO4. 1. (1.5 pt) Write the full, balanced chemical equation for this neutralization reaction, including physical states. 2LiOH(aq) + H2SO4(aq) → Li2SO4(aq) + 2H2O(l) (0.5 pt) Name the salt produced in the above reaction: Li2SO4(aq) salt is produced Li2SO4 → Lithium sulfate 3. (2.0 pt) A solution of 0.125 M LiOH is used to neutralize 25.0 mL of...
Please write clearly and show all work, with correct units, for full credit. This completed quiz...
Please write clearly and show all work, with correct units, for full credit. This completed quiz will be due by the start of class on Friday November 1, 2019. 1. Opts) A reaction flask contains an initial concentration of He=2.00 x 10 M and an initial concentration of 12 = 9.00 x 10M, at a high temperature where they remain in the gas phase. They react as follows: Hare +12 + 2HI Calculate K, if the equilibrium concentration of HI...
Show all work for full credit for problems 1-3. 1. Ibuprofen has the mass percent composition: carbon = 75.69%; hydrogen = 8.80% and oxygen 15.51%. Calculate the empirical formula. Answer: Pls answer all Questions thanks 2. How many grams of chlorine are in 22.50g of CF3C13? Answer: 3. Silver chloride, used in silver plating, contains 75.27% silver. Calculate the mass of silver chloride in grams required to make 4.8 g of silver metal. Answer: 4. Predict the products and write...
Must write equation with format and choices given. Not just
final answer. Fill in with options given. May add factors.
How many liters of a 0.209 M KI solution is needed to completely react with 2.43 g of Cu(NO)2 according to the balanced chemical reaction: 2 Cu(NO3)2(aq)+4Kl(aq)-2 Cul(aq) I2(s) + KNO3(aq) 4 х STARTING AMOUNT RESET ADO FACTOR ANSWER 0.00542 166 187.57 4 0.124 2.43 2 0.209 6.022 x 1023 0.0620 0.0310 1 mol Cu(NO3)2 mL Cu(NO3)2 L Cu(NO3)2 L...
Name SHOW ALL WORK. NO CREDIT UNLESS ALL WORK IS SHOWN. ROUNDING/SIG FIG ERRORS WILL BE PENALIZED. 1. Parts a-j of this question refer to the following cell at 298 K. Complete the diagram of the following voltaic cell: Silver and iron electrodes, aqueous Silver nitrate, aqueous iron (UI) nitrate, potassium nitrate salt bridge. Fe3+ (aq) + 3e → Fe (s) Ag (aq) + e - Ag(s) E° -0.040 V Eº= 0.795 V a. Identify the electrodes as Anode or...
Problem solving. You must show all your work to receive full/partial credit for problems below. If your shown work is not legible and logical, you will earn a grade of zero for that particular question. If you do NOT show your work and only show the correct answer, you will NOT receive full credit. 16. (10 points total) Answer the following questions about the reaction of iron (III) oxide with carbon monoxide. (6 points) Write the balanced reaction between iron...
Name SHOW ALL WORK. NO CREDIT UNLESS ALL WORK IS SHOWN. ROUNDING/SIG FIG ERRORS WILL BE PENALIZED. 1. Parts a-j of this question refer to the following cell at 298 K. Complete the diagram of the following voltaic cell: Silver and iron electrodes, aqueous Silver nitrate, aqueous iron (UI) nitrate, potassium nitrate salt bridge. Fe3+ (aq) + 3e → Fe (s) Ag (aq) + e - Ag(s) E° -0.040 V Eº= 0.795 V a. Identify the electrodes as Anode or...
Show all of your work for full credit and report your final answer with the correct number of significant figures and units. Solid MnO2 and HCl in an aqueous solution react to form MnCl2 in an aqueous solution, gaseous Clz and liquid H:O. a) (5 points) Write and balance the chemical equation. Be sure to show the phases of the reactants and products. b) (20 points) 20.0 g of MnO2 and 300 g of HCI react. Which is the limiting...
temp is :
298K
QUESTION 9 Please show all work. For full credit provide equations used. Please use correct significant figures and correct units in answers. The equilibrium constant for the reaction, 2Fe3+ (aq) + Hg22+ (aq) = 2Fe2+ (aq) + 2Hg2+ is Kc = 9.1 x 10-6 @298K a. What is AGO at this temperature? b. If reactants and products in their standard state concentrations (1M) are mixed, in which direction does the reaction proceed? Provide a numerical justification...
Question 23 Extra Credit FREE RESPONSE QUESTIONS The decomposition of hydrogen peroxide. 1. Write a balanced chemical equation. 2. Oxidation states of atoms in reactants? 3. Oxidation states of atoms in products? 4. Substance oxidized? 5. Substance reduced? 6. Oxidizing agent? 7. Reducing agents? 8. Number of electron transfer?
Please write clearly and show all work, with correct units, for full credit. This completed quiz will be due by the start of class on Friday November 1, 2019. 1. Opts) A reaction flask contains an initial concentration of He=2.00 x 10 M and an initial concentration of 12 = 9.00 x 10M, at a high temperature where they remain in the gas phase. They react as follows: Hare +12 + 2HI Calculate K, if the equilibrium concentration of HI...
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