CERCLA is one of the acts which has established the regulations for hazardous waste. CERCLA relates to: a toxicity of hazardous waste b disposal of hazardous waste c hazardous waste transportation d currently generated hazardous waste e clean up and past practices of hazardous waste

Q: OSHA's Hazard Communication Standard requires chemical manufacturers to evaluate hazards relating to…

A: Hazard pictograms warn us when a potentially harmful chemical is around. The pictograms make it…

Q: Provide a structure of the fragment in the mass spec producing the peak at 139 m/z and a structure…

A: 1 H NMR spectrum gives an idea of number of sets of non equivalent protons and arrangement of…

Q: How many entities are present in each of the following? (a) 3.21 mol argon atoms

A: Given 3.21 mol Argon atoms

Q: Determine if the following structures are aromatic, antiaromatic or nonaromatic: A + NH N-H N S NE A

A: Here we have  to predict  aromatic, ,antiaromatic  and nonaromatic compound from the following given…

Q: What is the stretching frequency (in cm¹1) of the following carbonyl? O 1685 O 1655 IZ

A: In this compound, Carbonyl group (C=O) is attached with two conjugated groups. One is -CH=CH2 and…

Q: 2) The graph of weight vs. volume for copper is shown below. What is the volume of a piece of copper…

A: y axis is mass in g and x axis is volume in ml. density = massvolume slope = density

Q: Draw a cooling curve for a sample of steam that cools from 110oC to -10oC. Indicate the segment of…

A: In this question, we have to Draw a cooling curve for a sample of steam that cools from 110°C to…

Q: Mark each chiral center in the following molecules with an asterisk. How many stereoisomers are…

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Q: What is the IUPAC name for the following molecule? OH Br

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Q: Aqueous hydrobromic acid (HBr) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium…

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Q: A certain first order reaction has k = 0.706 s-1 .  What fraction of the reactant remains after…

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Q: Identify the functional groups present and give the name of the compound

A: The IUPAC name of the compound can be written on the basis of the number of carbon atoms in the main…

Q: How many kJ of energy is produced* during the formation of 74.2 g of Fe, according to the reaction…

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Q: What is the IUPAC name for the following molecule? Br

A: IUPAC nomenclature: In IUPAC nomenclature  a molecule's longest chain of carbons is taken as parent…

Q: CI-CH2-CH2-CH3 1-chloropropane VS CH3-CHCI-CH3 2-chloropropane

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Q: Which pka value best represents the indicated hydrogen? O 35 O 55 O 45 O 25 H H I H Н

A: Lower pKa indicates higher acidity strength of acid. Acidity strength depends on the bond strength…

Q: The formation of glutamine from glutamate and ammonium ions requires 14.2 kJ/mol of energy input.…

A: •Here given ∆rG = -31 KJ/mol •∆rG is free energy of the reaction and this is used in formation of…

Q: Select all the atoms that have at least one lone (unshared) pair of electrons. • Gray = C; white H;…

A: The skeletal structure of an organic compound is the series of atoms bonded together that form the…

Q: What would you observe if you used a ballpoint pen, instead of a pencil to mark the chromatography…

A: Chromatography is the process of separation of components present in the mixture.  Pencil lead is…

Q: Molecule NH3 H₂S NI3 CS₂ CC14 110⁰ OF2 SO₂ • Bond Angle(s) 110⁰ trigonal Pyramidal bent ≈1100 ~110⁰…

A: NH3 - 107° - Trigonal pyramidal - polar  H2S - 92° - Bent - weakly polar  CCl4 - 109.5° -…

Q: Identify the functional groups present in the structure below. Select all that apply. alcohol amide…

A: Given compound is organic compound as it contain carbon and hydrogen atoms.We have to identify…

Q: What is one disadvantage of using column chromatography?     It is relatively ineffective at…

A: Column chromatography: It is a separation technique that is used to isolate compounds from complex…

Q: 2.62 Explain why Boyle's law PV = constant for an ideal gas does not contradict the equation PVY =…

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Q: Infrared radiation falls in the wavelength region of 1.00×10-6 to 1.00×10-³ meters. What is the…

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Q: 3 3 Do you know examples for experiments where light shows wave-like or particle-like character?…

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Q: Suppose you make a solution that contains 17.59 g of sodium chloride and 960 g of water. (a) What is…

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Q: A river water sample of 25°C is contaminated with diazepam with initial concentration of 5000 ppb…

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Q: How many moles of hydrogen atoms are in a 3.5 g sample of H2 gas?

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Q: 4. Determine the pre-exponential factor A from the intercept of your graph.

A: From previous solved question we have to just compare the equations to get pre exponential factor A

Q: Identify the functional groups present in the structure below. Select all that apply. O alcohol…

A: The organic compound is formed by two main elements, carbon, and hydrogen. The specific group of…

Q: What is the strongest intermolecular attraction between two molecules of this type? OH A) ion-ion B)…

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Q: How many neutrons are there in 8 molecules of 24, 16 S? O 128 1024 2048 512 64

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Q: Molecular Shape of H₂S A₁ B₂ E₂=AB₂E2 (1) S Central atom A Step 1: Find the Central Atom Central…

A: In this question, we have to complete the steps for H2S.

Q: T/F: A p orbital on one atom cannot overlap an s orbital on another

A: We have given a statement. We are asked to tell whether given statement is false or true.There are…

Q: how many lone pairs of electrons and total number of hydrogen atoms are in this strucutre? +

A: The given compound is 1-methyl cyclohexane carbocation. We know that carbon is tetravalent in nature…

Q: In the space below, write the full (unabbreviated) electron configurations of the following…

A: Each atom has a specific number of electrons in it. The number of electrons are equal to number of…

Q: b. i OH SO₂CI Pyridine SO₂Cl Pyridine NaOH (S2) LICI

A: ACCORDING TO ANSWERING GUIDELINES I WILL ANSWER ONLY THE FIRST ONE, IF YOU WANT THE REST POST THEM…

Q: When you add one equivalent of NaOH to an amino acid that does not have an acid/base group in its…

A: When one equivalent of NaOH is added to an amino acid that does not have an acid/base group in its…

Q: Four solutions of an acid dissolved in water are sketched below, as if under a microscope so…

A: The strength of different acids can be compared on the basis of the degree of dissociation of these…

Q: Select the electron configuration for zinc.

A: Given -> Zinc(Zn)

Q: What is the stretching frequency (in cm¹1) of the following carbonyl? O H O 1685 O 1715 O 1745 ZI H

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Q: The membrane of the mammary gland separates blood (pH = 7.4) from milk (pH = 6.6). You are given the…

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Q: PPM 180 160 140 120 100 PPM "ОН 180 COCH, 160 140 120 100 80 CDCI, 80 CD,OD 60 60 40 40 20 20 TMS

A: In 13-C NMR peaks appear in the left side of the spectrum for that carbon that has less electron…

Q: How can colloids be distinguished from real solutions? Explain.

A: When solute and solvent are mixes then solution is formed,one the size of solute in solution there…

Q: 6. Consider the chemical equation: CO₂ + H₂O → CeH12O6 +0₂ To balance this equation, place…

A: A balanced equation is one in which there are an equal number of each type of atom on both sides of…

Q: What is the following functional group? aldehyde alkyne acyl halide ether aromatic alkane nitrile…

A: Fnctional groups are specific groups of atoms or bonds which is present within the molecules that…

Q: A solution has a chloride (Cl-) concentration of 20ppm. What is the concentration in mg/L

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Q: 4. You add 1.00 kg of ethylene glycol antifreeze (CHO) to your car radiator, which contains 4450 g…

A: 1.00 Kg of ethylene glycol C2H6O2 contains 4450 g of water .We have to calculate the boiling and…

Q: A compound is 54.53% C,54.53% C, 9.15% H,9.15% H, and 36.32% O36.32% O by mass. What is its…

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Q: H3C- CH3 HBr 50°C

A: When the substrate is a conjugated diene and electrophilic addition reaction is going to take place,…