We dispensed 10 µL of a 0.5 % oleic acid solution onto the glass plate. How...
We dispensed 10 µL of a 0.5 % oleic acid solution onto the glass plate. How much of that was actually oleic acid. 1 µL = 1×10-6 L
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We dispensed 10 µL of a 0.5 % oleic acid solution onto the glass
plate. How...
Question 4 2.5 pts 1.00 mL of a 3.05 x 10 M solution of oleic acid is diluted with 9.00 mL of petroleum ether, form...
Question 4 2.5 pts 1.00 mL of a 3.05 x 10 M solution of oleic acid is diluted with 9.00 mL of petroleum ether, forming solution A. Then 2.00 mL of solution A is diluted with 8.00 mL of petroleum ether, forming solution B. How many grams of oleic acid are 5.00 mL of solution B? (Molar mass for oleic acid = 282 g/mol) 1.19 x 10-5 g 1.72 x 10 g 4.30 x 10 g 4.30 104 g 8.60...
A planar, monochromatic light wave falls normally onto a glass plate (n =1.5), which is fabricated...
A planar, monochromatic light wave falls normally onto a glass plate (n =1.5), which is fabricated to have two regions of different thicknesses (see Figure 1, right panel). 2/3, where A is the wavelength of the incident light. Light passing through the plate is collected by a lens. Find the light intensity I in the focus of the lens, if the intensity collected with a plate having d 0 is Io. (2p) The thickness difference d A thin lens made...
This is what we did in the experiment .First of all,1 µl of plasmid DNA was...
This is what we did in the experiment .First of all,1 µl of
plasmid DNA was added into the tube which contains competent cells
and the tube was tapped gently to mix DNA and the competent
bacteria. After that it was placed on ice for 30 minutes. Then, the
tube with the competent bacteria and plasmid were transferred to
heating block at 42 °C and the tube was leaved in there exactly 90
seconds. 0.25 ml of LB broth was...
5-10 molar concentration of NaOH solution is 0. 128 B. Molar Concentration of an Acid Solution Acid type HA HA H...
5-10
molar concentration of NaOH solution is 0. 128
B. Molar Concentration of an Acid Solution Acid type HA HA HA Unknown No. Balanced equation for beutralization of acid with NaOH. 25.0 25.0 25.0 1. Volume of acid solution (m) 2 Buret reading of NaOH, initial (L.) 3. Buret reading of NaOH,final (mL) 4. Volume of NaOH dispensed (m) 5. Molar concentration of NaOH (MOVL). Part A 6. Moles of NaOH dispensed (mol) 7. Molar concentration of acid solution (mol/L)...
This is what we did in the experiment .First of all,1 µl of plasmid DNA was...
This is what we did in the experiment .First of all,1 µl of
plasmid DNA was added into the tube which contains competent cells
and the tube was tapped gently to mix DNA and the competent
bacteria. After that it was placed on ice for 30 minutes. Then, the
tube with the competent bacteria and plasmid were transferred to
heating block at 42 °C and the tube was leaved in there exactly 90
seconds. 0.25 ml of LB broth was...
Question 4 (0.5 points) You are asked to generate 60 ml of a 10% nitric acid...
Question 4 (0.5 points) You are asked to generate 60 ml of a 10% nitric acid solution using the bottle below. Which equation should you use to determine how much of this 70% nitric acid solution you need to use to prepare this solution? DNitric acid (70%) OC1V1-C2V OM= moles/L % - solute amount (g or mls)/total volume x 100
B. Molar Concentration of an Acid Solution Acid type, HA or H,A: HAUnknown No. Balanced equation...
B. Molar Concentration of an Acid Solution Acid type, HA or H,A: HAUnknown No. Balanced equation for neutralization of acid with NaOH Sample 3 25.0 24.0 Sample Sample 2 1. Volume of acid solution (ml) 2. Buret reading of NaOH, initial (mL) 3. Buret reading of NaOH. final (ml) 4. Volume of NaOH dispensed (mL) 5. Molar concentration of NaOH (mol/L), Part A 6. Moles of NaOH dispensed (mol) 7. Molar concentration of acid solution (mol/L) 25.0 25.0 IH. 8....
Part A Part complete Using your graduated cylinder, you calibrate the pipet you will be using...
Part A Part complete Using your graduated cylinder, you calibrate the pipet you will be using and the values you collect are as follow. What is the average number of drops per mL of benzene. 21 drops 22 drops 17 drops 20.0 drops Part B Part complete After calibration, you use the oleic acid/benzene solution to form a monolayer. It takes 8 drops , 9 drops and 6 drops before the layer on the water solution starts to make a bubble tha...
3. How much solid NaCN must be added to 1.0 L of a 0.5 MHCN solution...
3. How much solid NaCN must be added to 1.0 L of a 0.5 MHCN solution to produce a solution with pH 7.0? K. - 6.2 x 10- for HCN. K 4. The following table shows many acid/base pairs with the corresponding K, values on the right. ACID/BASE 1.0 M NaHSO4/ 1.0M Na2SO4 1.2 x 10-2 1.0M HCIO/ 1.0M KCIO 3.5 x 10- 1.0M NH4Cl 1,0M NHI 5.6 x 10-10 1.0M (CH3)2NHCI/1.0M (CH3)2N 1.5 x 10-10 1.0M Na2HPO4/ 1.0M Na...
#5 and 6 Given a solution of 5.0% by volume oleic acid in alcohol. Two drops...
#5 and 6
Given a solution of 5.0% by volume oleic acid in alcohol. Two drops (100 drops/cm^3) are placed on a water surface and a continuous, circular film a formed 16.0 cm in diameter after all the alcohol has evaporated and the oil is distributed evenly on the surface. What would be the thickness of the layer of pure oil? Suppose you have a box 3.0 cm by 4 5 cm by 6.0 cm filled with lump sugar. If...
Question 4 2.5 pts 1.00 mL of a 3.05 x 10 M solution of oleic acid is diluted with 9.00 mL of petroleum ether, forming solution A. Then 2.00 mL of solution A is diluted with 8.00 mL of petroleum ether, forming solution B. How many grams of oleic acid are 5.00 mL of solution B? (Molar mass for oleic acid = 282 g/mol) 1.19 x 10-5 g 1.72 x 10 g 4.30 x 10 g 4.30 104 g 8.60...
A planar, monochromatic light wave falls normally onto a glass plate (n =1.5), which is fabricated to have two regions of different thicknesses (see Figure 1, right panel). 2/3, where A is the wavelength of the incident light. Light passing through the plate is collected by a lens. Find the light intensity I in the focus of the lens, if the intensity collected with a plate having d 0 is Io. (2p) The thickness difference d A thin lens made...
This is what we did in the experiment .First of all,1 µl of
plasmid DNA was added into the tube which contains competent cells
and the tube was tapped gently to mix DNA and the competent
bacteria. After that it was placed on ice for 30 minutes. Then, the
tube with the competent bacteria and plasmid were transferred to
heating block at 42 °C and the tube was leaved in there exactly 90
seconds. 0.25 ml of LB broth was...
5-10
molar concentration of NaOH solution is 0. 128
B. Molar Concentration of an Acid Solution Acid type HA HA HA Unknown No. Balanced equation for beutralization of acid with NaOH. 25.0 25.0 25.0 1. Volume of acid solution (m) 2 Buret reading of NaOH, initial (L.) 3. Buret reading of NaOH,final (mL) 4. Volume of NaOH dispensed (m) 5. Molar concentration of NaOH (MOVL). Part A 6. Moles of NaOH dispensed (mol) 7. Molar concentration of acid solution (mol/L)...
This is what we did in the experiment .First of all,1 µl of
plasmid DNA was added into the tube which contains competent cells
and the tube was tapped gently to mix DNA and the competent
bacteria. After that it was placed on ice for 30 minutes. Then, the
tube with the competent bacteria and plasmid were transferred to
heating block at 42 °C and the tube was leaved in there exactly 90
seconds. 0.25 ml of LB broth was...
Question 4 (0.5 points) You are asked to generate 60 ml of a 10% nitric acid solution using the bottle below. Which equation should you use to determine how much of this 70% nitric acid solution you need to use to prepare this solution? DNitric acid (70%) OC1V1-C2V OM= moles/L % - solute amount (g or mls)/total volume x 100
B. Molar Concentration of an Acid Solution Acid type, HA or H,A: HAUnknown No. Balanced equation for neutralization of acid with NaOH Sample 3 25.0 24.0 Sample Sample 2 1. Volume of acid solution (ml) 2. Buret reading of NaOH, initial (mL) 3. Buret reading of NaOH. final (ml) 4. Volume of NaOH dispensed (mL) 5. Molar concentration of NaOH (mol/L), Part A 6. Moles of NaOH dispensed (mol) 7. Molar concentration of acid solution (mol/L) 25.0 25.0 IH. 8....
3. How much solid NaCN must be added to 1.0 L of a 0.5 MHCN solution to produce a solution with pH 7.0? K. - 6.2 x 10- for HCN. K 4. The following table shows many acid/base pairs with the corresponding K, values on the right. ACID/BASE 1.0 M NaHSO4/ 1.0M Na2SO4 1.2 x 10-2 1.0M HCIO/ 1.0M KCIO 3.5 x 10- 1.0M NH4Cl 1,0M NHI 5.6 x 10-10 1.0M (CH3)2NHCI/1.0M (CH3)2N 1.5 x 10-10 1.0M Na2HPO4/ 1.0M Na...
#5 and 6
Given a solution of 5.0% by volume oleic acid in alcohol. Two drops (100 drops/cm^3) are placed on a water surface and a continuous, circular film a formed 16.0 cm in diameter after all the alcohol has evaporated and the oil is distributed evenly on the surface. What would be the thickness of the layer of pure oil? Suppose you have a box 3.0 cm by 4 5 cm by 6.0 cm filled with lump sugar. If...
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