QUESTION 5 What was the distance (in cm) traveled by the SAMPLE C in the TLC below: 10 6 8 7 56 D 2 3 1 0 - solvent front sample B sample C -sample A

Q: In Chapter 1 of Astrobiology, A Very Short Introduction, the author talks about some special…

A: 1) It acts as a stable medium for biochemical processes. Water’s ability to dissolve most…

Q: A saline solution (used in intravenous drips for patients who cannot take oral fluids) contains…

A: The normal saline is 0.9%. This means that there is 0.9 g of salt (NaCl) per 100 ml of solution, or…

Q: A 100 mL solution of 0.1 M amino acid (AA) at pH 1.0 was titrated with 1.0 M NaOH solution. The pH…

A: Amino acids are composed of a central chiral carbon, hydrogen, an alpha-carboxylic group, an…

Q: Physiologically, a mammal could deal with alkalosis (increased blood pH) by breathing out /…

A: The pH can be described as the measure of hydroxide ions or hydrogen in a solution. The solutions…

Q: If you had added 1.0 mL of 1.0 M HCl to your 50 mM potassium phosphate buffer solution, would it…

A: Step 1:Find moles of bufferHCl solution is 1.0 M and you added 1.0 mL (0.001 L).Moles of HCl = 1.0 M…

Q: The mass number for an isotope is 14. This isotope could be: a carbon atom with 8 neutrons an oxygen…

A: Mass number of an atom is the sum of the number of protons and neutrons in the nucleus of the atom.…

Q: When calibrating a pH meter, 3 (three) standard color-coded buffer solutions are used, which of…

A: pH is a quantitative measure of how acidic or basic is the aqueous or other liquid solution is. It…

Q: If Km = 2.8 µM and concentration of S = 1.36 µM, the velocity of the reaction will be: Give your…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Nylene B the dye that used in this experiment is O methylene blue none of the options is correct O…

A: Dye is a colourant that is used to give textiles, paper, leather, and other materials a permanent…

Q: Question is attached

A: In a chemical reaction, the half-life of a species is defined as the time taken by the species to…

Q: what will be the possible results in testing the solubility of oil in the water?

A: Polar or hydrophilic molecules are soluble in water and non-polar or hydrophobic molecules are…

Q: What is the function of the flame in AAS? O lonozation of sample O Atomization of sample O boling of…

A: Guystav Kirchoff and Robert Bunsen first used atomic absorption spectroscopy in 1859 for identifying…

Q: Given the chromatogram below in a normal phase, which samples would be the most polar? A O Samples C…

A: The process of separation of molecules in normal phase depends on the distribution of particles…

Q: Question 9 0/1 pts Characteristics of Mineral #5: can be black, brown, silvery gray, or earthy red,…

A: Correct option is D- Hematite Because the streak found in hematite is red brown in colour  which…

Q: Part 2 You decide to try anion exchange chromatography (DEAE column). To do this, you first…

A: Samples such as protein mixture can be separated via different biochemical separation techniques…

Q: these is an insulating material place e correct response Ceramic Dielectric Impeder Insulation

A: A capacitor is a device that stores electrical energy in an electric field.

Q: QUESTION 20 .All of the following stains we will use in lab are O A. Negative OB. Differential OC.…

A: First, let's understand the nature of the stains mentioned: methylene blue, safranin, crystal…

Q: A chemist prepares a solution of barium chlorate BaClO32 by measuring out 19.μmol of barium…

A: Concentration of solution refers to the abundance of solute particles in the solution. It can be…

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 5 A chemical mean that is best used as a diluted aqueous solution is

A: Introduction  Any solutions have two components: Solute and Solvent. Solute is any substance which…

Q: Question is attached

A: Mole ratios are used as a conversion factor between products of the reaction and reactants of the…

Q: A 0.897 g sample containing the chloride ion is treated with excess lead(II) nitrate. The…

A: Lead(II) Chloride (PbCl2) is an organic compound which is a white solid under ambient conditions. It…

Q: Use this diagram to answer the following questions.

A: The phase diagram shows the relationship between pressure and temperature for Substance X. The…

Q: Question 8 A solution with more OH- ions than H+ ions would be O basic O acidic O neutral Question 9…

A: The first question is to find out the reactions which are denoted by letters a and b.  Basically…

Q: The hydration shell is usually formed in: O a. Nonpolar compound O b. Frozen water O c. Pure liquid…

A: Hydration shells allow particles to be dispersed evenly in water. Water molecules forming hydration…

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: QUESTION 7 If the concentration of OH- ions in a solution is 10^-2 M, pH of that solution will be O…

A: pH refers to the concentration of hydrogen ions in a solution. pH measures the acidity of a…

Q: 3. A 30.0-ml. sample of 0.20 M HA was titrated with 0.20 M NAOH. The following data were collected…

A: Given Values: Concentration of HA = 0.2 M Volume of HA = 30 ml = 0.03 L Concentration of NaOH = 0.2…

Q: What is the osmolarity of a solution containing 1.5 g/L of MgCl2? Answer to 3 decimal places. MW…

A: Molarity represents the number of solutes present in one liter of solution. Osmolarity is the number…

Q: crystal for a measurement by an X-Ray

A: The diffraction by the crystal utilized by the fluorescence spectrometer of X-ray to examine the…

Q: What is the pH

A: This question is based on the Henderson-Hasselbach equation. According to this equation,” when the…

Q: Question 4: Complete the observation table Compound Molar mass (g/mol) p-nitrobenzaldehyde 151…

A: If we consider p-nitrobenzaldehyde as an equivalent,.Triphenylphosphine (PPh₃):Given mmol of…

Q: BSA (mg/ml) Absorbancy 540nm 0.158 1 0.210 2 0.260 3 0.305 4 0.360 5 0.410 0.455 7 0.510 8 0.530…

A: The determination of protein concentration is a fundamental technique in biochemical analysis.

Q: Please explain question 10: a,b,c,d,e and question 11: a,b thoroughly.  How would I find the…

A: a. What is the formula weight of sodium oxide? -To determine the formula weight of a chemical…

Q: Question 1. Calculate how to make 100 ml of “Alkaline Phosphatase Reaction Buffer", a buffer…

A:

Q: 1. What evidence observed in this lab could be used to support the theory that electrons are found…

A: Around the nucleus, electrons are revolved in a fixed circular path called orbits, shells, or…

Q: Question 3 a) Explain the key properties Tc 99m used for medical imaging. b) Explain how you store…

A: Medical imaging involves various techniques and procedures which are used to produce an image of…

Q: Answer question number 2

A:

Q: For microprojectile bombardment, the particles used are typically? a. Nickel b. Tungsten O c.…

A: Ttransformation is a biotechnological process where a foreign DNA molecule is inserted into the host…

Q: 2. What volume of 0.100 M HCI would have to be added to this buffering system, to reduce the pH to…

A: The pH of the acidic buffer of blood is given as:pH=pKa+log[bicarbonate][carbonic acid]

Q: Based on the data chart below, how far did the solvent travel up the chromatography paper?

A:

Q: Question 9 What is the most appropriate time to use a safety shower? 1) You spilled 400 milliliters…

A: Safety shower: It is a device designed to wash off chemicals when it is spilled in a person. One…

Q: You are designing an experiment to test the reaction of potato samples with varying amounts of…

A: In a chemical reaction between the enzyme catalase and hydrogen peroxide (H2O2), catalase serves as…

Q: 7.3x105 CFU/ml= Broth culture, how many bacteria would be contained

A: The number of viable bacterial cells in liquid culture is estimated by means of a colony-forming…