What is the chemistry principle behind when (treatment: evaporated milk) is subjected at room temperature and chilled? Why does beating time, stability (%drain) and volume foam (specific gravity) is important? see the data below Treatment (Evaporated Milk) Beating Time (min) Stability (%drain) Volume of Foam (Specific Gravity) (Room Temperature) 8 No drain 0.33 Evaporated milk (chilled) 11 No drain 0.86 Evaporated milk with lemon and sugar 12 No drain 0.87 Evaporated milk with gelatine and water 10 4.57% 0.50
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What is the chemistry principle behind when (treatment: evaporated milk) is subjected at room temperature and chilled? Why does beating time, stability (%drain) and volume foam (specific gravity) is important? see the data below
|
Treatment (Evaporated Milk) |
Beating Time (min) |
Stability (%drain) |
Volume of Foam (Specific Gravity) |
|
(Room Temperature) |
8 |
No drain |
0.33 |
|
Evaporated milk (chilled) |
11 |
No drain |
0.86 |
|
Evaporated milk with lemon and sugar |
12 |
No drain |
0.87 |
|
Evaporated milk with gelatine and water |
10 |
4.57% |
0.50 |
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- What is the chemistry principle behind when (treatment: heavy cream, evaporated milk, and NFDM) is subjected to different types of temperature such as room tempt and chilled. Why does beating time, stability (%drain) and volume foam (specific gravity) is important? see the data below Treatment (Heavy Cream) Beating Time (min) Stability (%drain) Volume of Foam (Specific Gravity) (Room Temperature) 20 No drain 0.94 Heavy Cream (chilled) 20 No drain 0.76 Heavy Cream with sugar and vanilla 20 No drain 0.88 Heavy Cream (over-whipped) 25 No drain 0.83 Treatment (Evaporated Milk) Beating Time (min) Stability (%drain) Volume of Foam (Specific Gravity) (Room Temperature) 8 No drain 0.33 Evaporated milk (chilled) 11 No drain 0.86 Evaporated milk with lemon and sugar 12 No drain 0.87 Evaporated milk with gelatine and water 10 4.57% 0.50 Treatment (NFDM) Beating Time (min) Stability…What is the chemistry principle behind when (treatment: heavy cream) is subjected to CHILLED TEMPERATURE? What is the effect in beating time, stability (%drain) and volume foam (specific gravity) is important? see the data below Treatment (Heavy Cream) Beating Time (min) Stability (%drain) Volume of Foam (Specific Gravity) (Room Temperature) 20 No drain 0.94 Heavy Cream (chilled) 20 No drain 0.76 Heavy Cream with sugar and vanilla 20 No drain 0.88 Heavy Cream (over-whipped) 25 No drain 0.83What is the chemistry principle behind when (treatment: heavy cream) is subjected to room temperature? Why does beating time, stability (%drain) and volume foam (specific gravity) is important? see the data below Treatment (Heavy Cream) Beating Time (min) Stability (%drain) Volume of Foam (Specific Gravity) (Room Temperature) 20 No drain 0.94 Heavy Cream (chilled) 20 No drain 0.76 Heavy Cream with sugar and vanilla 20 No drain 0.88 Heavy Cream (over-whipped) 25 No drain 0.83
- Solution Absorbance mg/ml aspirin Standard solution - 1.6 mg/mL A 0.638 0.08 mg/mL B 0.504 0.064 mg/mL C 0.376 0.048 mg/mL D 0.259 0.032 mg/mL E 0.126 0.016 mg/mL A = -log T where T = %T ÷ 100 Construct a callibration curve using the above data. Absorbance should be on the vertical axis and "mg/mL of acetylsalicylic acid" on the horizontal axis. The line should go through the origin. Using the data provided, the graph you have generated, and the procedure that was used to generate the solutions which were examined by spectroscopy, calculate the amount of acetylsalicylic acid per tablet. Commercial tablet 1 labelled as 100 mg enteric coated Absorbance = 0.16 Commercial tablet 2 labelled as 300 mg Absorbance = 0.45 Student prepared tablet from practical 5 Absorbance = 0.19 Using the data provided, the graph you have generated, and the procedure that was used…Release of drug from a 20mm gel cube (B) was tested by placing it in a large dissolution apparatus containing a buffered solution into which the drug (A) was extracted. 4 of the sides are sealed, while 2 opposite sides are not. If Xp = 0.4, and DAB = 1.8 x 10-6 cm2/s, what ist (hr)?Calculate the volume of BSA stock that will be required to make the standard solutions needed to create the BSA standard curve. Be sure to show your work and include the volume of 0.02 M phosphate buffer required to reach a final volume of 1 mL. From a 2,000 μg/mL BSA stock, create 1 mL of each of the following stock solutions in 0.02 M phosphate buffer using individual microcentrifuge tubes: 50 μg/mL, 250 μg/mL, 500 μg/mL, 1,000 μg/mL, 1,250 μg/mL, 1,500 μg/mL. Be sure to properly label all the microcentrifuge tubes before creating the standards.
- In an experiment, separation of albumin from chicken liver was attempted at 31%, 58%, and 65% saturation with ammonium sulfate, (NH4)2SO4. After homogenization and centrifugation, 23 ml of the supernatant was obtained. What is the volume of saturated buffered (NH4)2SO4 (pH 7.0) that must be added to make the solution 31% saturated? 10.3 ml 8.33 ml 9.50 ml O 12.2 mlDATA Determine the Molar concentration of your dilutions using the formula M₁V₁ = M₂V₂. The initial molarity is 0.0001M (1x10-4M). M1 V1 1.56E-06 500uL Concentrations Tube 1 1.56E-06 Tube 2 Absorbance Tube 1 Tube 2 M2 Tube 3 Tube 3 V2 1000uL Tube 4 Tube 4 Tube 5 Tube 5 Tube 6 Tube 7 Tube 6 Tube 7 Tube 8 Tube 8 Tube 9 Tube 9 Tube 10 Tube 11 Tube 10 Tube 11 10The calibration curve shown below was used to analyze an unknown protein solution. What is the concentration of the unknown solution, if the absorbance of the unknown is 0.505? Answer in ug/mL. 1.2 y%3D0.005x+0.061 R=0.992 0.8 0.6 0.4 0.2 50 100 150 200 250 Concentration ug/ml Absorbance
- Solution Initial Mass (g) Final Mass (g) Change in Mass (g) % Sucrose Red 1.88 1.79 -0.09 Orange 1.92 0.95 -0.97 Yellow 1.95 2.40 +0.45 Green 2.00 1.35 -0.65 Blue 1.89 2.90 +1.01 Purple 1.90 2.05 +0.15 First: Calculate the change in mass for each apple block in grams (g) and write it in the chart. Include a “+” or “–” sign to signify a gain or loss in mass. Second: According to Jasmine’s lab directions, she should have created the following sucrose solutions: 0%, 5%, 10%, 15%, 20% and 25%. Using the changes in mass, determine which color solution has which percent sucrose and fill in the answers in the chart.3. Compute for the amount of each component of KCN broth if you were to prepare 280 ml. Express your answers using two decimal places. Follow this format in typing your answers: answerabbreviated unit (e.g. 3.00 g, 0.75 ml, 10.25 mg): Components Amount per liter Polypeptone 3.0 g N22HPO4 5.64 g (Available as NazHPO4 · 7H2O*) Monopotassium phosphate 0.225 g Sodium chloride 0.5% KCN 0.075 g (Available as 10,000 ppm solution) *MW (g/mol): Na-23; P-31; H-1; 0-16 3.3. Monopotassium phosphate /ri) Write down the equation derived from your Excel generated standard curve , figure legend and describe its components; ii) provide the values of the absorbance data of the unknown sample (do NOT show the absorbance data of the glycine standards). Show all details of the working out of your calculation. Indicate all units! Provide the answer with two decimals precision