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CILJ TOME AS nome Log. Complete the chemical equation by first adding the reactants which produce...
Exercise 7: The % Yield of Aspirin Name Date Read Exercise 7 in your lab manual....
Exercise 7: The % Yield of Aspirin Name Date Read Exercise 7 in your lab manual. Complete the Pre-lab Assignment. In this substitute lab exercise, you will watch a short video on preparing aspirin. The video is posted on the course Moodle page, and it provides the masses of the reactants and the product; you should be able to calculate the theoretical yield and the % yield from the data given by the video. Submit the completed assignment by March...
can you please help me with this !!! which ever you can is fine, please... thanks...
can you please help me with this !!!
which ever you can is fine, please... thanks !
Results/Data • Aspirin synthesis salicylic acid: 2.0 g Acetic anhydride: 2 mL d= 1.082g/ml sodium acetate: 0.4 g • Experimental yield of aspirin: 2.4 g REPORT DATE: NAME: LAB PARTNER: I PREPARATION OF METHYL SALICYLATE (OIL OF WINTERGREEN): Reaction Odor: Color after addition of FeCl solution: Control Odor: Color after addition of FeCl3 solution: Question Which functional group of salicylic acid forms a...
Chlorine gas reacts with phosphorus to produce phosphorus pentachloride as shown in the chemical equation below. What i...
Chlorine gas reacts with phosphorus to produce phosphorus pentachloride as shown in the chemical equation below. What is the maximum number of grams of PCls are produced from 3.5 g of Cl2 and excess P? 5C12(g) + 2P(s) → 2PC13(s) 2) What is the theoretical yield of chromium that can be produced by the reaction of 40.0 g of Cr2O3 with 8.00 g of aluminum according to the unbalanced chemical equation below? Al(s) + Cr2O3(s) → Al2O3(s) + Cr(s) Ammonia...
confused on the rest of these problems Determining the Balanced Chemical Reaction Equation Which set of...
confused on the rest of these problems
Determining the Balanced Chemical Reaction Equation Which set of data do you trust more? Circle: Run Run 2 Average Based on your data, how many moles of NaOH react with I mole of succinic acid? (Rounded to nearest integer value.) The following is the reaction in word form: sodium hydroxide + succinic acid - water + sodium succinate Use your experimental ratio rounded to integer values of NaOH to Succinic acid to insert...
please help me with balanced chemical equation and percent yield above is my trial. Data and...
please help me with balanced chemical equation and percent yield
above is my trial.
Data and Calculations, Part 2: 28. 27 used or + 26.18 Data for Trial #1: 1. 1987 16 empty flask: 19A Mass of flask plus baking soda: Mass of baking soda (calculated): _1.49 11 49.5/ 1.49 Mass of graduated cylinder with 50mL of vinegar: Mass of graduated cylinder after vinegar is poured out: Mass of vinegar transferred (calculated): 69.89 & sloos 20.38 49.51 e 77.11 50.33...
GENERAL CHEMISTRY I Stoichiometry and Reactions NAME: ux 1.hat are the reactants in the chemical equation...
GENERAL CHEMISTRY I Stoichiometry and Reactions NAME: ux 1.hat are the reactants in the chemical equation below ? Grade Agts) AuNO, (aq) ANO, (aq) Au(s) a, Silver &Gold Nitrate . Silver& Gold b. Gold&Silver Nitrate d. Gold Nitrate & Silver Nitrate 2. Report the molar mass of Auso 3. How many hydrogen molecules are contained in 4.0 grams of H ? a. o.4M b. 12.0x10 c. 4.Omol d. 2.0g 4 What is the mass of 1.00 mole of calcium fluoride,...
15. The mixing of which pair of reactants will result in a precipitation reaction? CsI(aq)...
15. The mixing of which pair of reactants will result in a precipitation reaction? CsI(aq) + NaOH(aq) HCl(aq) + Ca(OH)2(aq) K2SO4(aq) + Hg2(NO3)2(aq) NaNO3(aq) + NH4Cl(aq) 16. Which of the following is a precipitation reaction? Zn(s) + 2 AgNO3(aq) 2 Ag(s) + Zn(NO3)2(aq) NaCl(aq) + LiI(aq) NaI(aq) + LiCl(aq) 2 KI(aq) + Hg2(NO3)2(aq) Hg2I2(s) + 2 KNO3(aq) HI(aq) + NaOH(aq) NaI(aq) + H2O(l) None of these are precipitation reactions. 17. Which...
17) Which of the following is TRUE? A) Stoichiometry allows prediction of how much of the reactants are necessary t...
17) Which of the following is TRUE? A) Stoichiometry allows prediction of how much of the reactants are necessary to form a given amount of product. B) Stoichiometry shows the numerical relationship between chemical quantities in a balanced chemical equation. C) Stoichiometry allows prediction of the amounts of products that form in a chemical reaction based on the amounts of reactants D) All of the above are true. E) None of the above are true. 18) Diatomic O2 can react...
17) Which of the following is TRUE? A) Stoichiometry allows prediction of how much of the reactants are necessary t...
17) Which of the following is TRUE? A) Stoichiometry allows prediction of how much of the reactants are necessary to form given amount of product B) Stoichiometry shows the numerical relationship between chemical quantities in a balanced chemical equation. C) Stoichiometry allows prediction of the amounts of products that form in a chemical reaction based on the amounts of reactants. D) All of the above are true. E) None of the above are true. 16) 18) Diatomi Oy can react...
5. The equilibrium constant (K) for the formation of methyl benzoate from methanol and benzoic acid...
5. The equilibrium constant (K) for the formation of methyl benzoate from methanol and benzoic acid at 25°C is 3.77. Use the equation for the equilibrium constant to calculate the theoretical yield of methyl benzoate for the following conditions. (6 marks) a) With equal initial amounts of the reactants (1 mole of each reactant) b) With a threefold (x 3) excess of methanol (1 mole of benzoic acid and 3 moles of methanol) 6. Suggest a chemical reaction (include structures...
Exercise 7: The % Yield of Aspirin Name Date Read Exercise 7 in your lab manual. Complete the Pre-lab Assignment. In this substitute lab exercise, you will watch a short video on preparing aspirin. The video is posted on the course Moodle page, and it provides the masses of the reactants and the product; you should be able to calculate the theoretical yield and the % yield from the data given by the video. Submit the completed assignment by March...
can you please help me with this !!!
which ever you can is fine, please... thanks !
Results/Data • Aspirin synthesis salicylic acid: 2.0 g Acetic anhydride: 2 mL d= 1.082g/ml sodium acetate: 0.4 g • Experimental yield of aspirin: 2.4 g REPORT DATE: NAME: LAB PARTNER: I PREPARATION OF METHYL SALICYLATE (OIL OF WINTERGREEN): Reaction Odor: Color after addition of FeCl solution: Control Odor: Color after addition of FeCl3 solution: Question Which functional group of salicylic acid forms a...
Chlorine gas reacts with phosphorus to produce phosphorus pentachloride as shown in the chemical equation below. What is the maximum number of grams of PCls are produced from 3.5 g of Cl2 and excess P? 5C12(g) + 2P(s) → 2PC13(s) 2) What is the theoretical yield of chromium that can be produced by the reaction of 40.0 g of Cr2O3 with 8.00 g of aluminum according to the unbalanced chemical equation below? Al(s) + Cr2O3(s) → Al2O3(s) + Cr(s) Ammonia...
confused on the rest of these problems
Determining the Balanced Chemical Reaction Equation Which set of data do you trust more? Circle: Run Run 2 Average Based on your data, how many moles of NaOH react with I mole of succinic acid? (Rounded to nearest integer value.) The following is the reaction in word form: sodium hydroxide + succinic acid - water + sodium succinate Use your experimental ratio rounded to integer values of NaOH to Succinic acid to insert...
please help me with balanced chemical equation and percent yield
above is my trial.
Data and Calculations, Part 2: 28. 27 used or + 26.18 Data for Trial #1: 1. 1987 16 empty flask: 19A Mass of flask plus baking soda: Mass of baking soda (calculated): _1.49 11 49.5/ 1.49 Mass of graduated cylinder with 50mL of vinegar: Mass of graduated cylinder after vinegar is poured out: Mass of vinegar transferred (calculated): 69.89 & sloos 20.38 49.51 e 77.11 50.33...
GENERAL CHEMISTRY I Stoichiometry and Reactions NAME: ux 1.hat are the reactants in the chemical equation below ? Grade Agts) AuNO, (aq) ANO, (aq) Au(s) a, Silver &Gold Nitrate . Silver& Gold b. Gold&Silver Nitrate d. Gold Nitrate & Silver Nitrate 2. Report the molar mass of Auso 3. How many hydrogen molecules are contained in 4.0 grams of H ? a. o.4M b. 12.0x10 c. 4.Omol d. 2.0g 4 What is the mass of 1.00 mole of calcium fluoride,...
17) Which of the following is TRUE? A) Stoichiometry allows prediction of how much of the reactants are necessary to form a given amount of product. B) Stoichiometry shows the numerical relationship between chemical quantities in a balanced chemical equation. C) Stoichiometry allows prediction of the amounts of products that form in a chemical reaction based on the amounts of reactants D) All of the above are true. E) None of the above are true. 18) Diatomic O2 can react...
17) Which of the following is TRUE? A) Stoichiometry allows prediction of how much of the reactants are necessary to form given amount of product B) Stoichiometry shows the numerical relationship between chemical quantities in a balanced chemical equation. C) Stoichiometry allows prediction of the amounts of products that form in a chemical reaction based on the amounts of reactants. D) All of the above are true. E) None of the above are true. 16) 18) Diatomi Oy can react...
5. The equilibrium constant (K) for the formation of methyl benzoate from methanol and benzoic acid at 25°C is 3.77. Use the equation for the equilibrium constant to calculate the theoretical yield of methyl benzoate for the following conditions. (6 marks) a) With equal initial amounts of the reactants (1 mole of each reactant) b) With a threefold (x 3) excess of methanol (1 mole of benzoic acid and 3 moles of methanol) 6. Suggest a chemical reaction (include structures...
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