Please help me find the structure based on this IR graph and a boiling point of 90-100°C. 84 80 70- 60어 50어 40 30 20 10 -0 -2 4000 1000 2000 2500 cm-1 3500 3000 1500 450 %T
Q: Benzoic Acid Champi Sample Weight of sample 0.4997 g 0.4107 g Pressure in the container 3000 kPa…
A:
Q: 8 7- 6- 2- 1 405 180 225 270 315 [Substrate] (nM) 45 90 135 360 450 495 540 58! What are the units…
A: Solution Michaelis menten kinetics is one of the best models of enzyme kinetics. Value of…
Q: In a neutral solution, the [H] is : O 1.0x10-14M zero 1.0×107M 1.0x10-7M
A: The acidity of any solution is determined by the molarity of the Hydrogen ions. So, the pH of any…
Q: Alanine has pKa values of 2.4 and 9.9. Its isoelectric point, pI, is equal to____. A. 6.15 B. 23.76…
A: Amino acids contain an alpha-carboxylic acid group and an alpha-amino group. Every amino acid has…
Q: BSA mg/ml O.D. 550nm 1 0.12 2 0.23 3 0.34 4 0.41 5 0.52 Use the values above to draw a graph
A: BSA Bovine serum albumin is a albumin protein which is extracted from cow and used in experimental…
Q: The content of calcium in Al-Jabal Al-Akhdar bottled drinking water is 7.9 mg per liter. How many…
A: Given: - In 1000 mL (1 liter) of drinking water = 7.9 mg calcium So, in 1 mL of water, the calcium…
Q: For 42He*2 The atomic number is f and there are are protons. The mass number is and there are…
A: The atomic number means number of proton in the nucleus while mass number is total number of proton…
Q: In a pharmaceutical industry a drug Paracetamol (151.163 g/mol) is determined in a sample. A 0.0315…
A: Absorbance is the crucial method of knowing the concentration of a component in a solution. It is…
Q: Combustion of a fuel sample in a bomb calorimeter increases the temperature of the entire system by…
A: Given: Mass of water (m1 )=1700 gIncrease in temperature(∆T1)=5.10°CMass of water(m2)=2200Increase…
Q: Sodium chloride, the table salt (NaCl) is added in cooking to enhance the flavor of the food. When…
A: Sodium chloride is a common table salt that is commonly known as NaCl. Sodium chloride is commonly…
Q: When 0.2 millimoles of Y are dissolved in 250 ml of water, the resultant solution has an absorbance…
A: Beer-lambert law states that for the given material, the sample concentration and path length are…
Q: 140 120 Super- critical fluid A 100 CO,(s) Co,(1) 80 Critical point 30.98°C, 60 72.79 atm 40 В 20…
A: Asked : Slope of the line BC is asked for the given phase diagram.
Q: For Be-10, find the: a.) mase defect (in grams) b.) binding energy in kilojoules per mole. mass…
A: The difference between the assumed mass of the nucleus of the atom and the actual mass of the atom's…
Q: BSA Concentration (ug/mL) Abs 2000 2.25 1500 1.715 1000 0.915 750 1.156 500 0.714 250…
A: A standard curve is defined as a calibration curve that is used for quantitative estimations. In…
Q: Heliox is a helium‑oxygen mixture that may be used in scuba tanks for divers working at great…
A: Boyles law states that at a constant temperature, the pressure of a gas is inversely proportional to…
Q: How many grams of NaOH would you need to make 3,982 mL of a 3 M NAOH solution (m.w. = 40.00 g/mol)?…
A: By the concept of molarity, we can determine the concentration of a solution. It is the total number…
Q: Given: 2KI +Pb(NO3)2 --> PbI2 + 2KNO3. How many grams of lead (II) iodide are produced if 0.250…
A: 2KI +Pb(NO3)2 --> PbI2 + 2KNO3 Thus, 2moles of KI with 1mole of Pb(NO3)2 gives 1 mole of PbI2…
Q: Which of the following is not an equivalent to ppm? a.mg/L b.ug/g c.g/ton d.uL/mL x 106
A: The abbreviation of ppm is ‘parts per million'. It is also expressed as milligrams per litre (mg/L).…
Q: Which antacid is the better buy? In other words, which one neutralized more HCl per dollar spent? O…
A: Antacids are defined as a class of drugs needed to treat conditions caused by acid secreted by the…
Q: Which of the following correctly identifies the number of each element involved in the chemical…
A: The chemical formulas of a given molecule represent the simple ratios or the number of molecules of…
Q: When 5.58 g of a solid mixture composed of NH4CI and CaCl2 was dissolved in 100.0 mL of water, the…
A: 2 questions are asked. According to guidelines, will answer the 1st question only. 100 ml water…
Q: You have to carry out an experiment to determine and compare the heat of displacement of copper from…
A: Experiment Procedure 1. Take about 50 mL of the CuSO4 in a measuring cylinder and then put in a…
Q: а. 1.3 b. 2.3 C. 3.3 d. 4.3 termine the pH of a 0.50 M NAH2PO4 and 0.10 M Na2HPO4 solution pka is…
A:
Q: Please complete the following table: Name of lonic Compound Formula of lonic Compound 1. Sodium…
A: Ionic bond, also known as an electrovalent bond, is a type of connection generated by the…
Q: 11.74 The table below lists the density of O2 at various temperatures and at 1 atm. The normal…
A: Oxygen molecule (O2) Oxygen molecule (O2) is a very essential molecule of nature, it make life…
Q: Trans-oleic acid (18:1,D9) has a melting temperature of (44.5C) and cis-oleic acid (18:1,D9) has a…
A: A cis arrangement implies that when there is a double bond, the neighboring carbon atoms are on the…
Q: 39. A salt solution of 50.0% sodium chloride (salt) consists of how many parts per million (measured…
A: INTRODUCTION Answer of question 39 is explained below.
Q: Trans-oleic acid (18:1,D9) has a melting temperature of (44.5C) and cis-oleic acid (18:1,D9) has a…
A: Oleic acid is an 18 carbon long mono-unsaturated fatty acid which bears double bond at carbon number…
Q: (i) MnO is basic whereas Mn207 is acidic in nature. Why? (ii) Transition metals form alloys. Why?…
A: Chemical compounds are the important basis of life. The compounds that are obtained from living…
Q: The pH of a 1.25 x10-3 M NAOH solution is: O a 7 b 2.90 3.10 O d 11.10 O e 10.90
A: Given Values: The concentration of NaOH solution = 1.25×10-3 M
Q: 6- 2- 1- 45 90 135 180 225 270 315 360 405 450 495 540 58! [Substrate] (nM) rate (nM/sec) is
A:
Q: Atomic absorption spectroscopy is usually more sensitive than atomic emission spectroscopy because…
A: In case of Atomic Emission Spectroscopy (AES), when energy is absorbed by electrons, the electrons…
Q: The precipitation of three solid compounds: X, Y, Z, have the following equilibrium constants: Kx =…
A: X,Y,Z Kx= 1.7×10^4 Ky= 0.6× 10^8 Kz= 9.2×10^12 As it can be seen,Kz>Ky>Kx The solubility…
Q: water 4.18 ethyl alcohol 2.44 benzene 1.80 sulfuric acid 1.40 ased on the information in the table,…
A: INTRODUCTION One of water's most significant properties is that it takes a lot of energy to heat it.…
Q: The same student wanted to determine the heat of dissolution for potassium chlorate (KClO3, MW:…
A: When a solute is dissolved in the solvent, it results in the formation of a solution. This process…
Q: You obtained the following raw data when setting up a Biuret standard curve: BSA (mg/ml) 0 1 2 3 4 5…
A: Even when the concentration of BSA (Bovine Serum Albumin) is 0 , an absorbance of 0.158 was…
Q: Which of the following structure/structures will go through a combustion reaction (is flammable).…
A: The reaction involving the release of energy (in light, flame, or heat form) when a substance…
Q: Lactic acid 4 g Salicylic acid…
A: (a) Given that- Mass percentage of camphor (20 % w/w) This means, 100 grams solution = 20…
Q: Food dye Initial concentration (µM) | Initial volume (mL) Final concentration (µM) | Final volume…
A: Given Values: Red 40: Initial Concentration (Ci) = 32 μM Initial Volume (Vi) = 1 ml Final…
Q: The freezing point of water is 0.00°C at 1 atmosphere. A student dissolves 10.56 grams of aluminum…
A: molality = weight of solute*1000/gram molecular weight of solute* weight of solvent in g =…
Q: A solution of an unknown carbohydrate gave the following optical readings when analyzed by a…
A: A sample mean refers to an average set of data. To calculate the sample mean of a given dataset the…
Q: the titration are designated I to VII. 12 12 II 10 97 VI 8 pH 3.9 4 20 IV 0.5 1.5 2.5 3 Equivalents…
A: Amino acids are the basic unit that form proteins. Amino acids contain an amino (NH3+)group, a…
Q: FREE RESIDUAL CHLORINE IS 1. Chloramide compounds 2. hypochlorous or chloric acid 3. haloform…
A: Introduction :- The quantity of chlorine that remains in the water after a given period or contact…
Q: How many H2O particles were produced by creating the following structure? R H R R -N-Ç, H-N-C,- H H…
A: Extention of a polypeptide chain is a typical dehydration reaction where OH from carboxyl group and…
Q: The pOH of a solution of NaOH is 11.30. What is the [H+] for this solution? O 2.0 x 10-3 O 2.5 x…
A: pH is the measure of the concentration of hydrogen ions in a given solution. It is measured on a log…
Q: Four lab groups completed the experiment listed in the lab diluting lul of FCF dye into 1ml of…
A: Brilliant blue FCF (Blue 1) is a synthetic organic compound used mainly as a blue dye for processed…
Q: Using the table above, make the following unit conversions. Determine th point the appropriate…
A: 1. 25/1000 = 0.025 2. 3*1000000= 3000000 3. 150/10 = 15 4. 5000/1000 = 5 5. 0.075 kl
Step by step
Solved in 3 steps with 1 images
- The pH of black coffee is 5, and that of milk of magnesia is 10. Is the coffee twice as acidic as milk of magnesia?Arrange the following compounds in the increasing order of their boiling points :CH3CHO, CH3CH2OH, CH3OCH3, CH3COOH.The main constituents in vinegar are water and ethanoic acid (CH3COOH). In order to determine the concentration of acid in homemade vinegar, a student titrated 25 cm3 of 001 M NaOH against the vinegar. The equation for the reaction is: CH3COOH(aq) + NaOH(aq) ® CH3COONa(aq) + H2O(l) The following titration results were obtained: Burette readings (cm3) Rough 1 2 Final burette reading 20.10 38.90 31.40 Initial burette reading 0.10 20.00 12.50 Volume of vinegar used 20.00 18.90 18.90 (a) What volume of vinegar should be used in the calculation? (b) What is the mole ratio of NaOH:CH3COOH? (c) Calculate the number of moles of alkali in 25 cm3 of NaOH solution used. (d) How many moles of acid were used in the titration? (e) Calculate the…
- A solution with a density of 0.876 g>mL contains 5.0 g of toluene 1C7H82 and 225 g of benzene. Calculate the molarity of the solution.The pH of a 0.0082 M solution of HNO₃ isDescribe the preparation of the following solutions include all mathematic calculations and equipment of the laboratory needed A.500 mm of a solution of KNO 1.50 M B. 150 g of a solution 5.0% of NaC2H3O2 C. 500 mm of a solution of NaOH 0.50 M from a solution of NaOH 6.0 M
- Assuming equal concentrations of conjugate base and acid, which one of the following mixtures is suitable for making a buffer solution with an optimum pH of 7.4–7.6? NaOCl / HOCl (K a = 3.2 × 10 –8) NH 3 / NH 4Cl (K a = 5.6 × 10 –10) NaNO 2 / HNO 2 (K a = 4.5 × 10 –4) NaCl / HCl CH 3COONa / CH 3COOH (K a = 1.8 × 10 –5)Explain how acetaminopen gives such spectroscopic and chromatographic graph by interpreting the peaks that appeared in the graphs. Fig1. Mass Spectrometric Chromatogram of Acetaminophen (the two graphs) Fig2. IR Spectrograph of AcetaminophenTE buffer consists of 10 mM of Tris-Cl, pH 7.6 and 1mM of EDTA, pH 8.0. You need to prepare 3L of TE buffer and you have the following stock solutions: 500 mM Tris-Cl and 1 M EDTA. How will you prepare the 3L of TE? Write work clearly
- given a stock solution of 10% dextrose, how would you make 5 mL of a 0.9% dextrose solution? find mL of stock and mL of h20Determine the pH for the following solutions. {H3O+}=2.4x10^-2 MHow many mL of methadone is needed for a patient who was prescribed 0.015 g of methadone? The vial reads 6 milligrams of methadone per 1 mL of solution.