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2.75 x 103 M solution of toluene C&H5CH3 dissolved in benzene C&Hs Exactly 1 milliliter of...
Las problem optiona bonus is the one that I requore help with. Thank you Nitroglycerin, for...
Las
problem optiona bonus is the one that I requore help with. Thank
you
Nitroglycerin, for example, uelu J o (g) 2 CHNO1) -> 6 COB) +3 NG(8) + 5H2O(g) + % If 1.90 g of nitroglycerin explodes, calculate the volume (in liters) that the product gases would occupy if their total pressure is 1.60 atm at 4.95 x10°C. Data: Atomic masses H=1.008, N=14.01, 0= 16.00, C=12.01 Hints: Compute the total number of moles of gases then use the ideal...
The next two problems are due next week, but work on these problems today with your...
The next two problems are due next week, but work on these problems today with your group. 3.(25PTS) At a water treatment facility, an 750.0L tank containing Ch() has a pressure of 62.0 atm and a temperature of 303 K. (Using ideal gas equation, determine the moles of Cl(8) present. (1) What pressure would be expected if this same amount of gas occupied the same volume at the same temperature, but the Cl obeyed the Van der Waals equation of...
The first two problems are to be submitted today. 1.(25PTS) At midday on the lunar surface,...
The first two problems are to be submitted today. 1.(25PTS) At midday on the lunar surface, a temperature of 98 95°C was recorded Calculate the average speed of Neg) in m/s and mile/hr under these conditions. The formula for the average speed can be derived from the kinetic theory of gases and it is given by SRT average_speed= (molar mass) 2. (25PTS) Data: R -0,0821 L atm/K mole) -8.314 JAK mole). Atomic mass Ne-20.18 A reaction that can be used...
1. Refer to the vapor-liquid composition curve for a benzene/toluene solution below. a) Are benze...
Need assistance with graph and pre-lab questjons
1. Refer to the vapor-liquid composition curve for a benzene/toluene solution below. a) Are benzene and toluene miscible or immiscible? b) What is the boiling point of a benzene-toluene mixture that is 20% benzene? c) What percent benzene is a benzene-toluene mixture that boils at 85°C? 110 100 95 0F-- 85 A" 80 75 0 10 20 30 40 50 60 7o 80 90 100 Molo porcont benzene 2. Refer to the Boiling...
1) (a) Calculate the molarity of a solution made by dissolving 12.5 grams of Na2CrO4 on enough...
1) (a) Calculate the molarity of a solution made by dissolving 12.5 grams of Na2CrO4 on enough water to form exactly 550 ml of solution. (b) How many moles of KBr arepresent in 150 ml of a 0.275 M solution? (c) How many milliliters of 6.1 M HCI solution are needed to obtain 0.100 mol of HCI?2) (a) How many grams of solute are persent in 15.0 ml of 0.736 M K2Cr2O7 ? (b) if 14.00 g of (NH4)2SO4 is...
Solutions and Dilutions 1. What would be the percent (%) concentration of a solution that results...
Solutions and Dilutions 1. What would be the percent (%) concentration of a solution that results from the combination of 115.0 grams of potassium nitrate with 0.320 L of water? Identify the solute and solvent of the solution 2. A solution is prepared by mixing together 76.40 mL of liquid ethanol (C2H4O) and 110.25 mL of water. Identify the solute and solvent of the resulting solution. What would be the percent (%) concentration of the solution? 3. How many grams...
1. A student makes a solution by mixing 7.0 mL of a 4.5 x 10 M...
1. A student makes a solution by mixing 7.0 mL of a 4.5 x 10 M solution of Allura Red and 3.0 ml of water. What is the concentration of Allura Red in the resulting solution? A student is interested in the concentration of blue dve in his favorite beverage. He knows that spectroscopy can be used to determine the concentration of dye molecules in a solution. After making several solutions of known concentration, the student measured the absorbance of...
LABORATORY REPORT FORM 1. Molarity thiosulfate solution 0.01119 M 25°C 40°C 2. Actual solution temperature 25...
LABORATORY REPORT FORM 1. Molarity thiosulfate solution 0.01119 M 25°C 40°C 2. Actual solution temperature 25 40 c 3. Volume of sample withdrawn 20.00 20.00 20.00 20.00 mL 4. Initial buret reading 0.30 0.25 0.05 0.49 mL 5. Final buret reading 22.10 22:40 28.90 26.25mL 6. Volume thiosulfate used 21.80 22.15 28.85 25.76 mL 7. Volume thiosulfate used in liters 0.02 180 0.0.2215 0.02885 0.02574 8. Moles of thiosulfate used 2.44X10-49 48*104 8-234104288xthole 2.439x1074 2.479x104 3.228*10*4 2.882X10-9 9. Moles of...
1. A 19.6 gram sample of KCl is used to make a 275. mL KCl solution....
1. A 19.6 gram sample of KCl is used to make a 275. mL KCl solution. What is the molarity of the KCl solution? 2. A chemist has a bottle containing 0.25 M CuCl2. How many milliliters of this solution should the chemist use to add 12.0 grams of CuCl2 to her reaction? 3. In a saturated solution of the ionic compound sodium sulfate, Na3PO4 all of the water molecules are involved in the hydration process. some solid Na3PO4 is...
Laboratory goggles must be worn! A) Preparation of Solutions from Concentrated Solution In this part the...
Laboratory goggles must be worn! A) Preparation of Solutions from Concentrated Solution In this part the experiment you will prepare several dilute solutions from the more concentrated cobalt nitrate solution 1. Read the label on the provided cobalt nitrate solution and record the molarity accurately. su-olu 563/ 316.603:48 صلاح 2. 3. 4. Molarity of Ca(NO3)2 solution 182.95 g/mol Obtain a 25-ml buret. Examine its markings, the line that spans the entire circumference occur for each milliliter. The smaller lines indicate...
Las
problem optiona bonus is the one that I requore help with. Thank
you
Nitroglycerin, for example, uelu J o (g) 2 CHNO1) -> 6 COB) +3 NG(8) + 5H2O(g) + % If 1.90 g of nitroglycerin explodes, calculate the volume (in liters) that the product gases would occupy if their total pressure is 1.60 atm at 4.95 x10°C. Data: Atomic masses H=1.008, N=14.01, 0= 16.00, C=12.01 Hints: Compute the total number of moles of gases then use the ideal...
The next two problems are due next week, but work on these problems today with your group. 3.(25PTS) At a water treatment facility, an 750.0L tank containing Ch() has a pressure of 62.0 atm and a temperature of 303 K. (Using ideal gas equation, determine the moles of Cl(8) present. (1) What pressure would be expected if this same amount of gas occupied the same volume at the same temperature, but the Cl obeyed the Van der Waals equation of...
The first two problems are to be submitted today. 1.(25PTS) At midday on the lunar surface, a temperature of 98 95°C was recorded Calculate the average speed of Neg) in m/s and mile/hr under these conditions. The formula for the average speed can be derived from the kinetic theory of gases and it is given by SRT average_speed= (molar mass) 2. (25PTS) Data: R -0,0821 L atm/K mole) -8.314 JAK mole). Atomic mass Ne-20.18 A reaction that can be used...
Need assistance with graph and pre-lab questjons
1. Refer to the vapor-liquid composition curve for a benzene/toluene solution below. a) Are benzene and toluene miscible or immiscible? b) What is the boiling point of a benzene-toluene mixture that is 20% benzene? c) What percent benzene is a benzene-toluene mixture that boils at 85°C? 110 100 95 0F-- 85 A" 80 75 0 10 20 30 40 50 60 7o 80 90 100 Molo porcont benzene 2. Refer to the Boiling...
Solutions and Dilutions 1. What would be the percent (%) concentration of a solution that results from the combination of 115.0 grams of potassium nitrate with 0.320 L of water? Identify the solute and solvent of the solution 2. A solution is prepared by mixing together 76.40 mL of liquid ethanol (C2H4O) and 110.25 mL of water. Identify the solute and solvent of the resulting solution. What would be the percent (%) concentration of the solution? 3. How many grams...
1. A student makes a solution by mixing 7.0 mL of a 4.5 x 10 M solution of Allura Red and 3.0 ml of water. What is the concentration of Allura Red in the resulting solution? A student is interested in the concentration of blue dve in his favorite beverage. He knows that spectroscopy can be used to determine the concentration of dye molecules in a solution. After making several solutions of known concentration, the student measured the absorbance of...
LABORATORY REPORT FORM 1. Molarity thiosulfate solution 0.01119 M 25°C 40°C 2. Actual solution temperature 25 40 c 3. Volume of sample withdrawn 20.00 20.00 20.00 20.00 mL 4. Initial buret reading 0.30 0.25 0.05 0.49 mL 5. Final buret reading 22.10 22:40 28.90 26.25mL 6. Volume thiosulfate used 21.80 22.15 28.85 25.76 mL 7. Volume thiosulfate used in liters 0.02 180 0.0.2215 0.02885 0.02574 8. Moles of thiosulfate used 2.44X10-49 48*104 8-234104288xthole 2.439x1074 2.479x104 3.228*10*4 2.882X10-9 9. Moles of...
Laboratory goggles must be worn! A) Preparation of Solutions from Concentrated Solution In this part the experiment you will prepare several dilute solutions from the more concentrated cobalt nitrate solution 1. Read the label on the provided cobalt nitrate solution and record the molarity accurately. su-olu 563/ 316.603:48 صلاح 2. 3. 4. Molarity of Ca(NO3)2 solution 182.95 g/mol Obtain a 25-ml buret. Examine its markings, the line that spans the entire circumference occur for each milliliter. The smaller lines indicate...
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