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PO9Recitation HW Complete the following questions in your lab notebook! Use the periodic table of the...
Postlab Questions Answer the following questions on a separate sheet or in your lab notebook. Make...
Postlab Questions Answer the following questions on a separate sheet or in your lab notebook. Make sure that the copy page is readable! D) Calculate the percentage yield for both reactions. Show all calculations. 2) What is the color of the reaction at the beginning of reaction? What causes the color? 3) Why do you dissolve maleic acid in diethyl ether and fumaric acid in water? 4) Give the complete reaction mechanisms for the formation of meso and racemic 2,3-...
Help solving table III-E !! values for calculations lab manual explanation 0.394g Table III-E. Percent Yield...
Help solving table III-E !!
values for calculations
lab manual explanation
0.394g
Table III-E. Percent Yield and Amount of Excess Reactant Left Over Mass of strontium sulfate collected (actual yield) 0.39149 Theoretical yield of strontium sulfate (from Table WCC) TID Percent yield of strontium sulfate Mass of excess reactant left over Table III-B. Collection of Precipitate Mass empty filter paper 0.6 13 g Number on watch glass Mass filter paper + dried strontium sulfate Table IV. Observations When Reactants Added...
what is the equivalent for each reactants and complete the result table please! Synthesis of 13-(4-methylphenyl)...
what is the equivalent for each reactants and complete the result
table please!
Synthesis of 13-(4-methylphenyl) isoxazole-5-yl) methanol Compounds MW(g/mol) mmol Équivalent Mass (g or mL) 0.16ml 10ml 1.15 Triethylamine chloroform Pro-2-yn-ol 4- methylbenzaldehyde Density (g/cm ) 0.726 1.492 0.904 1.019 101.19 119.38 132.16 120.15 1 ml 16,9 1.15 g 11.1 Result table 2 MW(g/mol) Theoretical results (mmol) Theoretical Experimental Pourcentage Résult (mg) result (en mg ou g) 1.0251g Produit 187.19 Percent yield = actual yield theoretical yield = 3...
help with all questions(: 1) Describe what the crystals look like? 2) If your percent yield...
help with all questions(:
1) Describe what the crystals look like? 2) If your percent yield is greater that 100%, give one plausible error you may have made. 3) Calculate the limiting reactant and theoretical yield of Cu for the following reaction: First balance the reaction CuSO4 (aq) + Al(s) → Al2(SO4)(aq) + Cu (S) 3.35 g 0.321 g 4) If the actual yield for the reaction in question (3) is 1.06 g, what is the percent yield for the...
1. How many milligrams would a patient receive if the order is for 15 ml and...
1. How many milligrams would a patient receive if the order is for 15 ml and the medication strength is 300 mg/tsp? Give _____________________ 2. The order: Lanoxin 0.125 mg po every day Label: Lanoxin 0.25 mg/tablet Give _____________________ 3. Order: Codeine elixir gr i po every 4 hours as needed for pain (gr = grain) Label: Codeine elixir gr ½ per 5 ml Give _____________________ 4. Order: Ancef 40 mg/kg/day in divided...
Pre-Lab Questions (answer on a separate piece of paper) 1. Write reactions for each part in...
Pre-Lab Questions (answer on a separate piece of paper) 1. Write reactions for each part in this lab. 2. Determine the number of moles of Cu atoms in 0.7 g of copper metal. 3. Determine the number of moles of HNOs present in 10 mL of dilute (8 M) nitric acid 4. How many moles of NaOH are present in 8 g of NaOH? 5. What is the molarity of a NaOH solution when 8 g of NaOH dissolves in...
1. For the following reactions, determine the products when two solutions are mixed. Use the solubility...
1. For the following reactions, determine the products when two solutions are mixed. Use the solubility rules to predict whether a precipitate would form. If no reaction occurs, write "NR”. Be sure to balance your reaction and include all states of matter. The first one has been done for you. a) 3 Ba(NO3)2 (aq) + Al2(SO4)3 (aq) → 2 AI(NO3)3 (aq) + 3 BaSO4 (s) b) LINO3(aq) + Mg(C2H302)2 (aq) → c) NiSO4 (aq) + K3PO4 (aq) → d) Na2S...
خفر لنا روت و رطيانه انور - For this part of the worksheet, use the following...
خفر لنا روت و رطيانه انور - For this part of the worksheet, use the following equations: 2 CH6 +502 +2 CO2 + 6H20 Na S0+ Ba(NO3), +BaSO+2 NaNO, 1. How many grams of CO2 are produced by reacting 0.25 moles ofCH6? MOLAR MASS NEEDED. Mass A Molar mass A Moles A Ratio: Mole ratio A to в Moles B M olar mass B Mass B Chemistry 101 Workbook Part II: Lecture Worksheets On Chugg 2. How many moles of...
Pre-Lab for Determination of Solubility Product Constant 1. Write the solubility product constant (Ksp) for the...
Pre-Lab for Determination of Solubility Product Constant 1. Write the solubility product constant (Ksp) for the following reaction as a function of the concentrations of the products: Ca(103) (s) Ca²+ (aq) + 210,- (aq) 2. Ca(IO3)2 will ionize in water to produce 10, ions. The 10, ions will react with KI. Write the reaction for this reaction. 3. We will be using starch as an indicator. Why? 4. In this experiment, we will first produce Izby mixing calcium iodate with...
POSSIBLE POINTS: In part A, the synthesis of hexamminecobalt(III) chloride, [CO(NH3)6]Cly, your reactants included the following....
POSSIBLE POINTS: In part A, the synthesis of hexamminecobalt(III) chloride, [CO(NH3)6]Cly, your reactants included the following. Notice that these are the values given in the manual, and you can assume you measured it out to the same precision given. • 7.5 mL of 1.5M cobalt(II) chloride solution • 0.3 g of solid ammonium chloride • 0.15 g of activated charcoal (a catalyst) • 7.5 mL of 15 M NH3 . and 7.5 mL of 10% hydrogen peroxide. After synthesizing the...
Postlab Questions Answer the following questions on a separate sheet or in your lab notebook. Make sure that the copy page is readable! D) Calculate the percentage yield for both reactions. Show all calculations. 2) What is the color of the reaction at the beginning of reaction? What causes the color? 3) Why do you dissolve maleic acid in diethyl ether and fumaric acid in water? 4) Give the complete reaction mechanisms for the formation of meso and racemic 2,3-...
Help solving table III-E !!
values for calculations
lab manual explanation
0.394g
Table III-E. Percent Yield and Amount of Excess Reactant Left Over Mass of strontium sulfate collected (actual yield) 0.39149 Theoretical yield of strontium sulfate (from Table WCC) TID Percent yield of strontium sulfate Mass of excess reactant left over Table III-B. Collection of Precipitate Mass empty filter paper 0.6 13 g Number on watch glass Mass filter paper + dried strontium sulfate Table IV. Observations When Reactants Added...
what is the equivalent for each reactants and complete the result
table please!
Synthesis of 13-(4-methylphenyl) isoxazole-5-yl) methanol Compounds MW(g/mol) mmol Équivalent Mass (g or mL) 0.16ml 10ml 1.15 Triethylamine chloroform Pro-2-yn-ol 4- methylbenzaldehyde Density (g/cm ) 0.726 1.492 0.904 1.019 101.19 119.38 132.16 120.15 1 ml 16,9 1.15 g 11.1 Result table 2 MW(g/mol) Theoretical results (mmol) Theoretical Experimental Pourcentage Résult (mg) result (en mg ou g) 1.0251g Produit 187.19 Percent yield = actual yield theoretical yield = 3...
help with all questions(:
1) Describe what the crystals look like? 2) If your percent yield is greater that 100%, give one plausible error you may have made. 3) Calculate the limiting reactant and theoretical yield of Cu for the following reaction: First balance the reaction CuSO4 (aq) + Al(s) → Al2(SO4)(aq) + Cu (S) 3.35 g 0.321 g 4) If the actual yield for the reaction in question (3) is 1.06 g, what is the percent yield for the...
Pre-Lab Questions (answer on a separate piece of paper) 1. Write reactions for each part in this lab. 2. Determine the number of moles of Cu atoms in 0.7 g of copper metal. 3. Determine the number of moles of HNOs present in 10 mL of dilute (8 M) nitric acid 4. How many moles of NaOH are present in 8 g of NaOH? 5. What is the molarity of a NaOH solution when 8 g of NaOH dissolves in...
1. For the following reactions, determine the products when two solutions are mixed. Use the solubility rules to predict whether a precipitate would form. If no reaction occurs, write "NR”. Be sure to balance your reaction and include all states of matter. The first one has been done for you. a) 3 Ba(NO3)2 (aq) + Al2(SO4)3 (aq) → 2 AI(NO3)3 (aq) + 3 BaSO4 (s) b) LINO3(aq) + Mg(C2H302)2 (aq) → c) NiSO4 (aq) + K3PO4 (aq) → d) Na2S...
خفر لنا روت و رطيانه انور - For this part of the worksheet, use the following equations: 2 CH6 +502 +2 CO2 + 6H20 Na S0+ Ba(NO3), +BaSO+2 NaNO, 1. How many grams of CO2 are produced by reacting 0.25 moles ofCH6? MOLAR MASS NEEDED. Mass A Molar mass A Moles A Ratio: Mole ratio A to в Moles B M olar mass B Mass B Chemistry 101 Workbook Part II: Lecture Worksheets On Chugg 2. How many moles of...
Pre-Lab for Determination of Solubility Product Constant 1. Write the solubility product constant (Ksp) for the following reaction as a function of the concentrations of the products: Ca(103) (s) Ca²+ (aq) + 210,- (aq) 2. Ca(IO3)2 will ionize in water to produce 10, ions. The 10, ions will react with KI. Write the reaction for this reaction. 3. We will be using starch as an indicator. Why? 4. In this experiment, we will first produce Izby mixing calcium iodate with...
POSSIBLE POINTS: In part A, the synthesis of hexamminecobalt(III) chloride, [CO(NH3)6]Cly, your reactants included the following. Notice that these are the values given in the manual, and you can assume you measured it out to the same precision given. • 7.5 mL of 1.5M cobalt(II) chloride solution • 0.3 g of solid ammonium chloride • 0.15 g of activated charcoal (a catalyst) • 7.5 mL of 15 M NH3 . and 7.5 mL of 10% hydrogen peroxide. After synthesizing the...
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