How many unique carbons will correspond the the C NMR spectrum

Q: X Incorrett. Did you calculate the molarity before setting up your ICE table? Did you use the…

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Q: Question: - begin with 2.85 * 10^23 molecules(or formula units) of the furst reactant listed on the…

A: A question based on mole concept. A set of data and a balanced equation is given based on which mass…

Q: Ammonium perchlorate NH4ClO4 is the solid rocket fuel that was used by the U.S. Space Shuttle and…

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Q: Solid potassium sulfate is slowly added to 150 mL of a 0.455 M barium iodide solution until the…

A: Multiple questions

Q: What mass of natural gas (CH4) must you burn to emit 263 kJ of heat? Express the mass in grams to…

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Q: A 19.90 gram sample of iron is heated in the presence of excess iodine. A metal iodide is formed…

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Q: For each compound in the table below, decide whether there would be any hydrogen-bonding force…

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Q: Write the equilibrium constant expression, K, for the following reaction: If either the numerator or…

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Q: What quantity in moles of HCl need to be added to 200.0 mL of a 0.200 M solution of NaF to make a…

A: A buffer is a solution which resist any change in pH on adding a small amount of acid or base . it…

Q: The pH of a basic solution is 11.95. What is [H+]?

A: pH pH can be defined as the negative logarithm of hydrogen (H+) ion concentration. pH = -log[H+]…

Q: Answer choices for question 2: a. rate=k[alkane] b. rate=k[H+] c.rate=k[alkane][H+]…

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Q: 3. Calculate the volume of 5.9 x 1023 molecules of propane gas trapped in a container at a pressure…

A: Given,  Molecules of propane gas = 5.9 x 1023  Temperature = 269 °F Pressure = 253.3 kPa

Q: 8) An unsealed 450.0 mL beaker contains 320mL of a very dense gas at 52 °C and 3.12 atm. The gas is…

A: Answer-8 When at constant pressure, temperature of the gas is increased its volume also increases…

Q: A buffer solution that is 0.409 M in CH3COOH and 0.409 M in CH3COOK has a pH of 4.74. The addition…

A: A buffer is a solution which resist any change in pH on adding a small amount of acid or base . it…

Q: Provide the correct common name for the compound shown here. O

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Q: The combustion of one cubic foot of natural gas produces 1000. kJ of heat. Assume a 57% efficiency…

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Q: 1. Consider the following exothermic reaction CO2(g) + H2O(l) = H+(aq) + HCO3-(aq) Assuming the…

A: Consider the following exothermic reaction CO2(g) + H2O(l) = H+(aq) + HCO3-(aq) Assuming the…

Q: This is the structure of xylan given, is the mechanism still the same (would there be two hydrolysis…

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Q: Write the basic equilibrium equation for (CH3)2NH. Be sure to include the proper phases for all…

A: Answer:- Equilibrium refers to a state where the rates of the forward and reverse reactions are…

Q: Predict the product of the Diels-Alder reaction of this compound with cyclopentadiene. Draw your…

A: Diels-Alder reaction is a direct addition reaction between a diene and a dienophile.

Q: based on the structure of compound A and the conditions used, explain in one or two sentences…

A: The given reaction scheme is shown below We have to tell the reaction follows which type of…

Q: The structural formulas of pseudoephedrine (a free base) and pseudoephedrine hydrochloride (a…

A: pseudoephedrine hydrochloride (a quaternary ammonium compound)  is more water soluble because it is…

Q: What is the basis for referring to the hydrogen ion as a proton? (a) The Arrhenius definition of an…

A: This question belongs to Acid-Base theory.

Q: Curved arrows are used to illustrate the flow of electrons. Follow the curved arrows and draw the…

A: We know phenols are weak acids so when treated with the base we get salt plus water as the products.…

Q: The molar mass of neon, Ne, is 20.18 g/mol. How many moles of neon are in 68.4 g Ne? [?] mol Ne

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Q: Which one of the following pairs of acids and conjugate bases is incorrectly labeled or incorrectly…

A: A conjugate base is simply the substance that contains one less H atom and one more negative charge…

Q: 12. Which compound will have the smallest R, on a TLC plate using silica gel (SiO₂) as the…

A: 12. We know that, Retention factor is the ratio of the distance travelled by solute to the distance…

Q: How many tritium atoms (³H) are incorporated into myristate when fatty acid synthesis is carried out…

A: The substrate provided in the question is a labeled form of myristic acid, a 14-carbon saturated…

Q: What are the line-angle structures for the following? a)…

A: The line-angle structures Rule   1 . Carbon atom not labelled.  2.  Hydrogen atom on carbon not…

Q: The combustion of 1.827 g of sucrose, C12H22O11(s), in a bomb calorimeter with a heat capacity of…

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Q: Why should distilled water be boiled and cooled before determining its pH? Explain in 2-3 sentences.

A: Distilled water should be boiled and cooled before determining its pH because dissolved carbon…

Q: Propose a structure for the HNMR data below and come up with a table that denotes the different…

A: The coupling constant J which is usually measured in hertz is a measure of the interaction between a…

Q: Which of the following aqueous solutions are good buffer systems? (Select all that apply.)…

A: The aqueous solutions given are 0.18 M hydrocyanic acid + 0.17 M sodium cyanide  0.27 M nitric acid…

Q: 8) A system absorbs 188 kJ of heat and the surroundings do 110 kJ of work on the system.

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Q: What is the relationship between the equilibrium temperature and the greenhouse gas concentrations?

A: The amount of greenhouse gases in the atmosphere has an impact on the equilibrium temperature of the…

Q: Suppose you place a piece of copper on the balance without a weigh boat and the measurement reads…

A: Mass of copper(Cu) = 2.589 g Atomic mass of copper = 63.5 g The number of atoms in copper = ?

Q: Suppose you measure out 0.0132 moles of ammonium sulfate on the balance. If the weigh boat…

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Q: The following reaction forms 12.9 g of Ag(s) 2Ag2O(s)→4Ag(s)+O2(g)…

A: The given reaction             2Ag2O(s) → 4Ag(s)+O2(g)  Mass of Ag formed = 12.9 g  Total pressure =…

Q: How much energy is evolved during the reaction of 51.2 g of Al, according to the reaction below?…

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Q: HNO3 H₂SO4 NO₂ Draw a mechanism for the alkylation of benzene. AICIS

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Q: Phosphoric acid has a formula of H3PO4 , and has a Ka1 of 7.5×10–3 , Ka2 of 6.2×10–8 , and Ka3 of…

A: Given  Phosphoric acid has a formula of H3PO4 , and has a Ka1 of 7.5×10–3, Ka2 of 6.2×10–8 , and Ka3…

Q: Use the following equilibrium. H2(g) + CO2(g)  H2O(g) + CO(g)    K = 16.0 The initial partial…

A: H2(g) + CO2(g) ⇌ H2O(g) + CO(g)    Equilibrium constant (K) = 16.0 Initially Partial pressure of H2…

Q: H2A Li Be Na Mg 3B 4B 58 68 7B 88 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga ho Rb Sr Y Zr Nb Mo Tc Ru Rh…

A: Potassium is 2A group element. It belongs to Alkaline earth metals .

Q: 1) For each of the reactions below, draw the whether the relative stereochemistry of syn or unknown.…

A: We know , HBr helps in hydrobromination of double bond and mCPBA helps in epoxidation across double…

Q: Using only the periodic table arrange the following elements in order of increasing ionization…

A: Ionization energy is defined as the amount of energy required to remove valence electron from…

Q: Liquid hexane  CH3CH24CH3  will react with gaseous oxygen  O2  to produce gaseous carbon dioxide…

A: Liquid hexane (CH3(CH2)4CH3) will react with gaseous oxygen (O2) to produce gaseous carbon dioxide…

Q: Consider the reaction between H3PO4 and NH3 to produce (NH4)2HPO4. (a) What mass of ammonia would…

A: Reaction is  H3PO4 +  2 NH3 → (NH4)2HPO4 In this reaction 1 mole phosphoric acid react with 2 mole…

Q: Use the References to access important values if needed for this question. For the following…

A: Mass of benzene, C6H6 = 5.08 g Mass of oxygen, O2 = 19.7 g  The balanced chemical reaction for…

Q: state which ones are rotational Raman active and explain why  (a) H2O (b) CO2 (c) NH3 (d) N2O…

A: Rotational Raman active molecules are those that have a polarizability that changes during rotation,…

Q: Time (s) 0.00 2.00 H2(g) + O2(g) [H₂] (M) 0.300 0.200 2HCl(g) What is the rate of reaction for…

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Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.