Q: What are the limitations of using molecular/size exclusion chromatography?
A: In SEC, mass is not measured so much as the hydrodynamic volume of the polymer molecules, that is,…
Q: From the following data find the percentage of Fe in a sample of crude ferric chloride weighing 1.00…
A: To calculate Normality of Iodine: Given: Volume of Iodine required = 7.85 mL
Q: What are the advantages of Ultra-Performance Liquid Chromatography over High-performance liquid…
A: Both ultra performance liquid chromatography and high-performance liquid chromatography are good…
Q: I. Synthesize the corresponding alkyne from the given alkene. Show the steps (no need for the…
A:
Q: Calculate the energy change resulting from the emission of 1.00 mole of photons at this 470 nm…
A:
Q: density
A: We know that: Density = Mass/Volume Equivalent weight = Molecular weight/n-factor
Q: emistry A 110.0-mL buffer solution is 0.105 M in NH3 and 0.135 M in NH4Br. The Kb value for NH3 is…
A: The answer is as follows:
Q: Calculate [H3O1] in a solution that has [OH-] = 6.7 M at 25 degrees celcius. Is the solution…
A:
Q: The decomposition of HI at low temperature was studied by injecting 2.50 mol of HI into a 10.32-L…
A:
Q: Determine the enthalpy of reaction: 2NH3(g) + 2CH4(g) + 302(g) → 2HCN(g) + 6H₂O(l) Reactions…
A: We can calculate enthalpy of reaction by reversing reaction 1 and 2 and add equation 1,2,3 and 4…
Q: From the following list, select all salts that would form an acidic aqueous solution. LiClO2…
A: For these salts , we would write their dissolution in water and check the strength of acid and base…
Q: reading the measurements provided by the volumetric apparatus, the eye must be at the same level as…
A:
Q: How many grams of sucrose, C12H22O11 are required to prepare 2.50 L of solution whose concentration…
A:
Q: Draw the most important resonance form for SO₂ (bonded O-S-O). Draw the molecule on the canvas by…
A: In the given question we have to draw the resonance structure of SO2 the resonance structure will…
Q: 4. Draw a stepwise detailed reaction mechanism for the following reaction. OH H₂O+ + C6H5CHO -C6H5 +…
A: Diol is protected by using aldehyde in acidic conditions.
Q: ch is the correct increasing order of reactivity towards electrophilic substitution among the…
A: Electron withdrawing group decrease rate of electrophilic substitution reaction and electron…
Q: A UV light with a wavelength of 250. nm is shone on the silver surface. What is the incident energy…
A: Energy is inversely proportional to wavelength
Q: 2. Which of the following is polyprotic acid? following statement is/are corc a. Benzoic acid…
A:
Q: 1. Acids and bases can be defined in various ways. Based on your understanding, explain the…
A: According to Arrhenius concept of acid and base, acid are the substances which gives H+ in aqueous…
Q: Calculate the molality of a 0.410 molar aqueous glucose solution whose density is 1.15 g/mol
A:
Q: A student synthesized 3.214g of Ni(NH3),Cl2 from 4.023g of NiCl2•6H2O. He dissolved 0.81g of…
A:
Q: 2) An individual plasma [Na+] is measured and found to be 130 mEq/L (normal = 145 mEq/L). What is…
A: Plasma Osmolality
Q: What is the Theoretical yield of iron for the reaction of 10.5g of Iron (III) nitrate and 5.00g of…
A: In this question, we will determine the theoretical yield of iron for the reaction between Iron(III)…
Q: Question 14.00 Friedel-Crafts alkylation is selective because it produces a monosubstituted benzene…
A: After addition one alkyl group to the benzene through the Fridel crafts alkylation,the electron…
Q: Give a systematic name for each of the given compounds.
A:
Q: Which of the following are true for oxidation of the alkyl side chain of benzene? Select the correct…
A:
Q: A chemistry graduate student is studying the rate of this reaction: 2HI (g) → H₂(g) + 1₂ (g) She…
A:
Q: Q10. Which of the following electron configurations in the ground state is correct? A. Cr*: [Ar] 3d…
A:
Q: What is major product (structure and Name) according to Zaitsev’s rule for the dehydration of…
A: We have to predict the Major product According to Zaitsev’s rule for the dehydration of…
Q: Cu2* (aq) + 2e → Cu (s) E°red = +0.34 V ½ O2 (g)+ H2O + 2e* → 2 OH(aqg) E°red +0.40 V Use the…
A: Given reactions are : Cu2+ + 2e- --------> Cu (s) , E0red = +0.34 V 1/2 O2 (g) + H2O (l) + 2e-…
Q: You have piece of copper that has a mass of 6.2 grams. How much energy/heat (in units of Joules) is…
A: Specific heat capacity is amount of heat needed to increase the temperature of one gram of substance…
Q: 5. Draw the all possible resonance structures for each of the following molecules or ions. Remember…
A: In all the given structures, double bonds, lone pairs and positive charges are in conjugation. Hence…
Q: Suppose an oxygen atom (m = 15.9949mu) is adsorbed on the surface of a nickel nanoparticle by a…
A:
Q: 6. Using curved arrows draw at least one resonance structure for each of the following species. Note…
A: Detail resonating structures are given below
Q: In the following reaction represented by the net ionic equation, the rate of reaction of CN– is…
A:
Q: 26. Kp(Cd(OH)2(s)) = 6.4 x 10-15, Determine the molar (mol/L) solubility of Cd(OH):(s) in a buffer…
A: Given: Ksp of Cd(OH)2 = 6.4×10-15 pH of solution = 9.30
Q: 30. Acid HP and acid HQ are titrated with standardized NaOH, and their titration curves are shown in…
A: Here we have solve the following given questions from the given titration curve of two weak acid HP…
Q: H2C2O4. What amount is represented by 18.0 g of oxalic acid? How many molecules of oxalic acid are…
A: No of molecules=mole × avagadro number
Q: solution of Ca(NO3)2 at 1.903 M is diluted from its original volume of 0.7865 L by adding 0.6115 L.…
A: Given that: Initial concentration(M1) = 1.903M Initial volume(V1) = 0.7865L Final volume(V2) =…
Q: What are the similarities between fluorescence detectors in HPLC and chemiluminescence detectors in…
A: Chromatography detectors are used to detect compounds that are eluted from the chromatography…
Q: MON TUE WED THU FRI SAT SUN Brom-3-methylpenbare has three isomers 7 - Bromo-3-methylppent- ane…
A:
Q: Draw the structure of the most prominent form of tyrosine at pH 1.9
A: We have to draw the structure tyrosine at pH 1.9
Q: What are possible qualitative chemical tests that can be used in identifying aspirin in the product?…
A:
Q: what is HBA in chemistry?is oxygen and nitrogen the only HBA in periodic table?is there any other…
A: Base is substance which can donate pair of electrons and acid is substance which can accept pair of…
Q: Which way would the equilibrium shift if the temperature was decreased for this reaction (AH = -542…
A:
Q: Synthesis 1: Br Synthesis 2:
A: In this question, we will synthesized the product from the starting materials by using the necessary…
Q: Q1. Draw phase diagram of soil and what is formula of water content?
A: Phase diagram of soil.
Q: Q(3): Figure below shows a plot of the logarithm (to the base 10) of the diffusion coefficient…
A:
Q: Derive the unit for K then using K at 904 degrees celsius, find the rate of reaction at the instant…
A:
Q: Benzoic acid IR ATR method IR Tables that contains the important peaks for the experimenta
A:
Chemistry
Identify and draw the symmetry elements for NH3
Step by step
Solved in 2 steps with 1 images
- Identify the symmetry elements present in the following objects. a The Eiffel Tower. You may have to look up a picture of it if you dont remember its shape b Any book ignore the printing. c An octagonal wood block. d A jack from the set of jacks pictured here: Note that some of the points end differently.Calendar Badges All courses Course dashboard The complete set of symmetry elements in PCI5 are: Select one: O E, C3, 3C2, ơn, S3 and 30, O E, C3, 3C2, On, and 30, O E, C3, 3C2, S3 and 30y OE, C3, 3C2, oh, S5 and 30yMake a list of all symmetry operations present in Bh3 and H2O?
- Help me pleaseCITE ALL ELEMENTS OF SYMMETRY PRESENT IN THE MOLECULES BELOW AND DEFINE THE POINT OROUP OF EACH ONE, CONSIDER THE FLAT MOLECULES a) S02 b) Cs HS DESCRIBE THESYMMETRY oF THE SPECIAL GROUPS a) P6/M MM 6) IM -3 M c) PI d)F-4 3 MWhat is the point group of NOCl? a. C∞v b. Cs c. none of the above is a correct point group d. D∞h e. C2v D2h
- Im confused with this C3 C P C32 Point Group: σh S3Which symmetry operation is not present in the o orbital? Note: You need to find the principle axis and consider the phase of the orbital. O All of them are present. C2What is the point group of NOCl? a. C∞v b. Cs c. none of the above is a correct point group d. D∞h e. C2v f. D2h
- 9- Write all symmetry elements and point group of PCI5 molecule. (Draw the shape)2. Consider the molecule SBrCl: -Br Br-Sこ Br Br Determine the number of each of the following symmetry elements present in the molecule: (4) a) Axes of Rotation (What is the order of the Principal Axis): (4) b) Mirror Planes: (4) c) Improper Axis:Water belongs to the C2v point group with the symmetry elements shown below: Ov Ov 2 C2 Along with the identity operator, E, these elements lead to all the operations of the group. Explain what is meant by a closed group, and show that the C2v point group is closed by drawing up a complete multiplication table. You should explain each result in the table using either algebraic arguments or illustrating the compound operation.