The gold content of an ore is being measured. The results of these analyses are:  Content (ppt) 20.065 19.999 21.054 20.533 20.088 20.112 What is the average value, standard deviation and confidence interval for this set of data?

Q: 3.How many sets of equivalent protons are there in hexane? a. 2 b. 3 c. 6 d. 7 4. What is the…

A: Proton nuclear magnetic resonance is the application of nuclear magnetic resonance in NMR…

Q: 9. 10. 11. 12. H 1. 03 2. Zn 1. KMnO4 Cold 1. CH₂l2/Zn/Cu 1. Os04 2. NaHSO3

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Q: For the following electrode, obtain the equation that relates the potential it develops as a…

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Q: 0.10. 0.20 0.30 0.30 0.50 0.50 0.05 0.10 -4 www. 2.5 x 107 the rate law for the reaction A2(g) +…

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A: epoxide reaction is processed with 2 different type (1)in acidic  (2)in absence of acid

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Q: Calculate the thermal wavelength of N2 gas at 298 K: (molecular weight Ν2=28)

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Q: A voltaic cell is constructed in which the anode is a Cr| Cr³+ half cell and the cathode is a…

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Q: Draw the major product for the following aldol condensation. Write a detail mechanism ol NaOH

A: An aldol condensation is a condensation reaction in organic chemistry in which two carbonyl moieties…

Q: How much energy is necessary to heat 135 g of ice at −10.0 °C into steam at 110.0 °C? (Cice = 2.09…

A: Here we energy is necessary to heat 135 g of ice at −10.0 °C into steam at 110.0 °C? (Cice = 2.09…

Q: 6. Given: N₂(g) + 1/2O2(g) = NO(g); K.-7.6x10³ and 2 NO₂(g) = 2 NO(g) + O₂(g); K=1.1x10 What is AG…

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Q: How many structural isomers of C4H8O have an ether and an allege?

A: Structural isomers are those isomers in which the atoms are completely arranged in a different…

Q: Part B How long would it take for 1.50 mol of water at 100.0 °C to be converted completely into…

A: Given --> Moles of water = 1.50 mol. Temperature = 100.0 °C The heat added at a rate of 21.0…

Q: (i) (ii) 2. Write the complete stepwise mechanism for this reaction. Show all electron flow with…

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Q: 9. Compound X, C35H52BrF, reacts with excess H₂/Pd to give a C35H58BrF compound. How many rings are…

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Q: When the Cu²+ concentration is 1.07 M, the observed cell potential at 298 K for an electrochemical…

A: To determine the concentration of product, we will follow the following steps:  1) determine E°cell…

Q: The reaction below is performed and the following experimental results are obtained. 2 1 (aq) +…

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Q: Is [Os(Cl)6]3- a ligand to metal or metal to ligand charge transfer? please explain

A: Note: When metal in high oxidation state(greater or equal to +3) in a complex, then it is an example…

Q: A 50.0-mL volume of 0.15 mol L¹ HBr is titrated with 0.25 mol L KOH. Calculate the pH after the…

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Q: Which is number 1 carbon and why? I thought it would be 1,2,4 but apparently it's 1,3,4 starting…

A: The given compound is a hydrocarbon, cycloalkane. The IUPAC name of a cycloalkane can be written on…

Q: 13. Consider the following data: #drinks 1 2 24 4 [C₂H,OH ] (M) Rate (M/h) 0.055 2.0 × 10-2 0.110…

A: 1.Order is the sum of the power of  reactant concentration in rate law expression.  2. Rate constant…

Q: 1. Aspirin is hydrolyzed in the human body by an enzyme known as an esterase. Write the overall…

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Q: 15. Temperature is sometimes measured with a gas thermometer by observing the change in the volume…

A: Given that, for a hydrogen gas The initial volume is Vi = 150.0 cm3, The initial temperature is Ti =…

Q: Which of the listed molecules can fit at most 2 atoms in a plane that passes through the central…

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A: The state of equilibrium is not affected by addition of catalyst. Now we will discuss what is the…

Q: 8. What is the molality of a solution prepared by dissolving 50 g of sucrose (MM = 342.3 g/mol) in…

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Q: e) Based on Valence Bond Theory, show the steps formation of hybrid orbital for a sulfur atom in…

A: Valence Bond Theory (VBT): It is defined as a theory which explains chemical bonding. It states that…

Q: [Cr³+] = 1.17 M and [Zn²+] = 0.00556 M, is -26.6 kJ: The free energy change for the following…

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Q: 23. Draw the structure of the ester formed between the following fatty acid and the alcohol. O CH3…

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Q: Draw Lewis structures for the following ions. Be sure to include all lone pair electrons and nonzero…

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Q: Consider the following concentration-time data for the decomposition reaction AB→A+B. Time (min) 0…

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Q: 7. A piece of unknown metal weighs 348 g. When the metal piece absorbs 6.64 kJ of heat, its…

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Q: Consider the following reaction at 298K. Cu²+ (aq) + Zn (s) →→→ Cu (s) + Zn²+ (aq) Which of the…

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Q: E n 0 Р CH₂OH HO OH OH HCI HBr HI HCI

A: These type of reactions are called substitution reactions. Let us discuss the mechanism of each…

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Q: 16. Draw condensed structures corresponding to each name below. a. 2-methyl-1,3-butadiene b.…

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Q: QUESTION 6 Calculate the number of moles of excess reactant that will be left-over when 56.0 g of…

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Q: How much energy is required to melt 150.0 grams of ice? ∆Hfus = 6.02 kJ/mol ∆Hvap = 44.0 kJ/mol

A: Mass of ice = 150.0 g  ∆Hfus = 6.02 kJ/mol

Q: At what approximate positions might the compound below show IR absorptions? Associate functional…

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Q: 48.0 g of solid aluminum (Al) is combined with 150.0 grams of iron (III) oxide to form 85.0 grams of…

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Q: 24. How can IR spectroscopy help to monitor the following reaction? OH ľ i PCC a. What structural…

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Q: 3. Oil of wintergreen, commonly used externally to relieve muscular and joint pain, is the methyl…

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Q: 3. You dissolve 25 grams of MgBr₂ into 250 ml of water. Calculate the formula mass of MgBr2…

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Q: Draw structures for a) (2E,4Z) - hepta-2,4-diene b) (S) - 2-bromobutane

A: R configuration - rotate clockwise S configuration - rotate anticlockwise E= trans isomer z= cis…

Q: Exercise 11.6A Phosphorus-30 is a positron-emitting radioisotope suitable for doing PET scans. What…

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Q: What model can be used to describe the infrared spectrum of a diatomic molecule? State both…

A: To describe the which model can be used to describe the infrared spectrum of a diatomic molecule.