1. Assuming the the uncertainty of +/- 1 in the last digit , what is the relative uncertainty in ppt in the following numbers. A. 6.02 × 10^23 B. 500 C. 40 D. 10.01 E. 9.99

Q: A student used H₂SO4 to find concentration of Sr²+ in a solution A via precipitation method. For 100…

A: To find out the concentration of Sr2+ in a solution using the precipitation method, given that to a…

Q: For the reaction shown, calculate how many moles of NH3NH3 form when each amount of reactant…

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Q: A 52.0-mLmL volume of 0.35 MM CH3COOHCH3COOH (Ka=1.8×10−5Ka=1.8×10−5) is titrated with 0.40 MM…

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Q: What addition information can be gained by looking at the 4000-3200 cm-1 region of the IR spectrum…

A: To answer: What addition information can be gained by looking at the 4000-3200 cm-1 region of the IR…

Q: unit 3 practice problem Dalton Atomic Theory 1 2 3 4 5

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Q: Determine the empirical formula of a compound that contains 54.5% carbon, 9.2% hydrogen and 36,3%…

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Q: what is the chirality centeris an R or S absolute configuration?

A: A chiral center is defined as an atom in a molecule that is bonded to four different chemical…

Q: What is the ratio of CATION to ANION in Drug X? [blank1] Drug X CHÍNH H₂C ON-H 'N CH3 CH₂ SO4² 2

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Part C. Accuracy and Precision

A: "Since you have asked multiple questions, we will solve the first question for you i.e Measurements…

Q: Answer number 11 to 20 pls.

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Q: Calculate the mass in grams of each sample 4.8×1025 O3 molecules to g Express your answer using two…

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Q: how prepaer ethyl 3-oxoheptanoate from methane

A: Methane is a gas and from it desired product can be synthesised through several steps. Desired…

Q: the concentration of TCE at standard conditions (0oC and 1 atm) is 15 μg/m3 , what is the…

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Q: 8) a) Draw the structures of ethyl acetate, ethanol, 2-propanol and water. b) Based on the…

A: In this question mentioned four solvent , Ethyl acetate , ethanol , 2-propanol , and water. Firstly…

Q: 4. Provide a rough sketch and explain the proton NMR spectrum that you would expect for the…

A: The first molecule is  The predicted NMR spectra of the molecule would be

Q: Use the References to access important values if needed for this question. The compound methanol,…

A: Given, Reaction : 2CH4O(I) +3O2(g) →2 CO2(g) +4H2O(g)

Q: True or False: The “arrest” temperature in the cooling curve of a solution corresponds to the…

A: The statement is false.

Q: What product is formed when benzene is treated with the following organic halide in the presence of…

A: Benzene undergo alkylation when treated with an alkyl halide and Lewis acid as a catalyst like…

Q: Cryolite, Na3AlF6(s), an ore used in the production of aluminum, can be synthesized using aluminum…

A: All the answers to the given questions have been discussed with the detail explanation and step by…

Q: One way in which the useful metal copper is produced is by dissolving the mineral azurite, which…

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Q: Describe the electron configuration of an atom using principal energy level, sublevels, orbitals,…

A: We know, An atom consists of subatomic particles electrons, protons, and neutrons. Electrons are…

Q: (a) p(Br2) = 1.84 atm, p(Cl2) = 7.24 atm, p(BrCl) = 16.8 atm; this reaction: does which one of…

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Q: required to p 9. Electromagnetic radiation with a frequency of 5.549 x 10¹ s causes an electron to…

A: The energy of an electron in nth energy level of Hydrogen or Hydrogen like species (He+,Li2+ and…

Q: A 32.64 g sample of a compound is found to contain 14.68 g carbon, 2.47 g hydrogen and 15.49 g…

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Q: When 30.5g of calcium and 56.6 g of nitrogen gas undergo a reaction that has a 75.5% yield determine…

A: Here 30.5 g of Ca and 56.6 g N2 undergoes a reaction that has a 75.5 % yield of Ca3N2. We have to…

Q: Determine the number of moles of H in each sample 0.105 mol N2H4 to mol

A: Given,0.105 mol N2H4Required,                   The number of moles of H in the above sample .

Q: Classify each of the following as primary, secondary, or tertiary alkyl halide. 1-chlorobutane…

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Q: 3.8 Draw a Newman projection along the indicated bond pro-tip: it can be helpful to draw in the…

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Q: three

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Q: Among CH₃CH₂CH₂NH₂, N(CH₃)₃, CH₃CH₂CH₂CH₂CH₂NH₂, which will have the highest heat of vaporization?

A: Heat of vaporization is the amount of heat that must be added to a liquid so that it can be…

Q: Part 1: Which atoms of which elements has the following electron configuration (using the orbital…

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Q: For [Ni(bpet)(CH3CN)2]2+, also designated as [LNiII]2+, what two things must be added in order for…

A: To determine the order of two things that must be added in order for [Ni(bpet)(CH3CN)2]2+, also…

Q: ment 3 able 9: Solutions on Volume (mL) 25.00 mL 25.00 mL 25.00 mL 25.00 mL 25.00 mL Mass (g) 26.88…

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Q: A certain first-order reaction is 33% complete in 55 s. What are the values of the rate constant and…

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Q: For the reaction shown, calculate how many moles of each product form when the given amount of each…

A: Given, C3H8(g) + 5 O2(g) → 3CO2(g) +4 H2O(g)  The moles of O2 = 4.9 mol.

Q: The Ka for acetic acid (CH₂COOH) is 1.737 x 10-5. What is the pK₁ for this acid? pK₁ = Use the…

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Q: If a solution of dissolved acid has pH = 2.5 and the pka for the acid chemical is K 4.3 and you…

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Q: 4. a. b. C. d. For the reactions below, choose an appropriate reagent for the transformation. OH…

A: 4) a) mCPBA ( C7H5ClO3 ) b) H2/pd/BaSO4 c) KMnO4 d) O3 , Zn/H2O

Q: Use this information to write a rate law for this reaction, and calculate the value of the rate…

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Q: 3) Write a mechanism for the following proton-transfer reaction. H + NaOH -ONa+ H₂O

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Q: a na an #7. -0 E₁ 11 d d P Р d D Р d d Р |||| d P d f J #6: 11 S 21. S #8. $ S 311 S 14 14 Р Р d P d…

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Q: Come up with a dilution scheme starting from 1000 μg/mL Mn stock solution so that the concentration…

A: Dilution scheme starting from 1000 μg/mL Mn stock solution so that the concentration of permanganate…

Q: 000 1. 2. 3. 4. 5. Magnesium A. 1s2, 2s², 2p6, 3s² B. Is², 2s², 2p, 3p² C. Is², 2s², 2ps D. 1s²,…

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Q: How much heat would need to be transferred to 2 moles of an ideal gas at 300 K to raise the…

A: First assume the ideal gas is monoatomic. The heat that is needed to be transfered is 0.37 kJ.

Q: Mn3O4 is an unusual ionic compound in which some of the manganese ions have a charge of +2 and…

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Q: Calculate the number of grams of sodium in 1.20 gg of each sodium-containing food additive.…

A: Given,             1.20 g of sodium benzoate, NaC7H5O2Required,                  The number of…

Q: The acid dissociation constants for phosphoric acid (H₂PO4) are Kai = 0.00711, Ka2 = 6.32 x 10-8,…

A: Given data : Ka1 = 0.00711  Ka2 = 6.32×10-8 Ka3 = 7.1×1-13

Q: You are performing an experiment that involves the use of atleast 5 test tubes. Which of the…

A: Given that you are performing an experiment that involves the use of at least 5 test tubes. We have…

Q: Discuss what makes the sample soluble or insoluble in the given solvent.

A: Solution is made up of two components: Solute and solvent. The component which is present in major…

Q: Calculate the energy difference between the ground state and first excited state, in units of cm…

A: To Calculate: The energy difference between the ground state and the first excited state , in units…