Q: RED ORANGE YELLOW GREEN BLUE BROWN 1 2 3 4 5 6 7 8 9 1
A: Chromatography comes from the Greek word, chroma which means color, and graphy which means to write.…
Q: Please answer question number 4 at the bottom of the page. thank you
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A: Water travels from a low solute concentration (low osmolarity) area to a high solute concentration…
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A: The concentration of unknown solution can be calculated from the formula C1V1= C2V2 Where C1=…
Q: Why is it important to select a good stationary phase? a) To retain the desired molecules and…
A: Chromatography is a separation technique often used to separate and purify molecules such as…
Q: QUESTION 3 How many mL of a 0.1% solution can be prepared from 600 mL of a 0.3% solution? 180 mL…
A: If the solution prepared from 600 ml of a 0.3% solution Then for 0.1 % solution, It would take 200…
Q: Question 18 (1 point) A test tube is known to have simple sugars. The solution is blue after the…
A: Benedict's test is used to test the simple carbohydrates (sugars). It is used to differentiate the…
Q: Question 6: What do you think is the composition of the medium in the master plate (minimal, minimal…
A: Nutrient media A nutrient media is a medium that is used to support microbial growth in…
Q: Question 7 Which of the following is a chemical property? temperature
A: Chemical properties are very much useful in the purification of a compound.
Q: Please answer questions 3 a, b, and c. thank you
A: a) Molarity of a solution is the measure of its concentration and is expressed in moles of solute in…
Q: Bubbles of CO2 are formed during the reaction between vinegar, water and Alka Seltzer. Provide an…
A: Alka Seltzer is a tablet that is normally used in so many science experiments, it causes a bubbling…
Q: Which of the following is the best explanation for a gel like this? A. Bromophenol blue was not…
A: SDS-PAGE (sodium dodecyl sulphate–polyacrylamide gel electrophoresis) is a discontinuous…
Q: After purification, the chemist wants to know the identity of the unknown compound. The person then…
A: Thin-layer chromatography is a chromatography technique that was used to identify compounds and…
Q: Question 6 Which of the following WILL INCREASE gelling if addition of Ca2* ions was added? a.…
A: INTRODUCTION Answer of question number 6 is given below.
Q: You have a 15% (m/v) solution put any units in your answer, ju
A: Dilution Equation M1 V1 = M2 V2
Q: Given the chromatogram below in a normal phase, which samples would be the least polar? O Samples B…
A: To compare the relative polarity of the molecules, the retardation factor (Rf) can be used. The Rf…
Q: A sample was placed on a chromatography column. Dichloromethane was used as the eluting solvent. All…
A: Column chromatography is a technique that allows chemists to separate substances based on their…
Q: Why should Erlenmeyer flasks hold not more than 60% of their capacity? When can gelatin be used in…
A: 1*Erlenmeyer flasks are used to contain liquids and for mixing and heating and cooling, incubation…
Q: Column Chromatography Question 1. We were tasked to use a microcolumn in a certain experiment. why…
A: Various separation techniques are present today for precise and accurate scientific experiments. So…
Q: please answer 3 b and c. i need a detailed explanation about each molecule including the water.…
A: Diffusion is defined as movement of molecules from an area of high concentration to the area of low…
Q: In a solution the part of the solution that is doing the dissolving (such as water in our cells and…
A: Every solution has two different parts, Solute Solvent
Q: QUESTION 23 It's absolutely wonderful that water cannot dissolve some compounds inside every living…
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A: Evaporation is the cycle by which water changes from a fluid to a gas or fume. Dissipation is the…
Q: What is the pH
A: This question is based on the Henderson-Hasselbach equation. According to this equation,” when the…
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Q: A solution that dissociates and gives up H+ is considered a(n) neutral solution base O acid
A: Introduction A solution is a type of homogeneous mixture that consists of two or more substances. A…
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A: The pH of the acidic buffer of blood is given as:pH=pKa+log[bicarbonate][carbonic acid]
Q: Write shortly about the instrumentation of ATR spectroscopy.
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Q: Question 14 Which of the following would NOT kill bacterial endospores and hence would be unable…
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Q: UESTION ANSWER 0.IM PIPES (pKa = 6,8) %3D mich of the following aqueous solutions has the highest…
A: The dissociation of a weak acid is described by the Henderson-Hasselbalch equation:Ka = [H+][A-] /…
Q: A solution with 0.4M sucrose will have a higher water potential than a solution with 0.5M sucrose.
A: Water potential is a measure of availability of free amount of water or potential energy of water in…
Q: You need to compound 1 L of a 4% solution. The pharmacy has a solution of 12% and a 2% solution in…
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Q: A solution contains 40 g of common salt in 320 of water. Calculate the concentration in terms of…
A: Mass per cent is a way of expressing a concentration or describing the component in a particular…
Q: What effect does the water temperature have on solution rate
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Q: You want to use a serial dilution to make a 1/50 dilution. The first dilution you make is a 1/5…
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A: Why are we considering water as the universal solvent?
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Q: Enter your answer in the provided box. Calculate the percent by mass of the solute in the following…
A:
Q: QUESTION 6 Based on your answer in question 5, would cellulose (see structure below) give a positive…
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- Please Answer ASAP. If you were to dilute 1mL of blue dye in 9mL of water, what would your dilution factor be? A. 10^2 B. 1/5 C. 1/10 D. 1/9show the complete solution and write answers in 3 significant figures. M&M's color COMPOSITION Orange ? Green ? Blue ? Brown ? Chromatogram before and after:Please show how the solution of the concentration (the highlighted color) of the unknown solution
- A scientist extracted compounds from apple peel and separated them using gel exclusion chromatography. Indicate which would be the expected order of elution from first eluted to last.Can you please answer this question and show the step by step to the solution Hand write it outJustify and explain following statements. (a) Paper chromatography is a type of partition chromatography. (b) The R f value is 1. (c) Chromatography is only a qualtitative technique. (d) The adsorbent should be insoluble in the solvent. (e) Chromatography is used to separate only color compounds.
- QUESTION 3 How many mL of a 0.1% solution can be prepared from 600 mL of a 0.3% solution? 180 mL 200 mL 1800 mL none of the aboveGive correct detailed Solution with explanation needed of all options..don't give Handwritten answerCan you please answer questions number 3 and show all of the steps to the solution
- Question 1.Identify the various classes of weighing balance used in the pharmaceutical laboratory and give it ranges. Question 2.In your own words and explanation give out the tentative meaning of extemporated production or compoundingBriefly explain the principle behind the following techniques:(a) ion-exchange chromatography (b) gel filtration chromatography (c) affinity chromatographyYour spectrophotometer maxes out at an absorbance reading of 2. If you get a reading of 2, what could you do to your sample to get an accurate reading.