Calculate the number of milligrams of sulfur powder needed to prepare 30 grams of 1.50 sulfur ointment

Q: Draw a magnified diagram of a TLC plate in a developing chamber and indicate the following a)…

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Q: How did you come up with the (A-)/(HA) = 0.905

A: [A-]/[HA] = 0.905 pH = 4.66  pKa = 4.76

Q: Aluminum reacts with gaseous oxygen to form solid aluminum (III)(III) oxide. Write a balanced…

A: Balanced equation can be defined as the equation  In which equal number of atoms of each and every…

Q: In x-ray studies of crystalline peptides, Linus Pauling and Robert Corey found that the C-N bond in…

A: #1: Given the bond length of the C-N bond in a peptide bonding is intermediate between C-N single…

Q: QUESTION 6 If the atmospheric pressure is 190 torr, what is the pressure of the enclosed gas in a…

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Q: The reaction A → C was performed and the concentration vs. time data below collected. time, s 0 3…

A: AO =INITIAL CONCENTRATION At = CONCENTRATION AT TIME  T k = RATE CONSTANT  t = TIME INTERVAL

Q: Calculate the mass in grams of each sample 9.65×1019 CH4 molecules to g Express your answer using…

A: We will convert this to mole to calculate the mass.  We know  1mole = 6.022 x 1023molecules.  the…

Q: A. Isomer A has only primary

A: Organic compounds are made up of hydrogen and carbon atom. These organic compounds are called…

Q: Analyze a mechanism, including molecularities; write a net reaction; and identify any catalysts or…

A: Answer: Molecularity is related to step of the reaction while order of reaction is the power of…

Q: The theoretical yield of a reaction is the amount of product obtained if the limiting reactant is…

A: The given reaction is  N2(g) + O2(g)---------------> 2 NO(g) Amount of N2 = 13.32 g  Amount of O2…

Q: Express the rate of the reaction H₂(g) + 12 (9)→ 2HI(g) a. in terms of A[HI]. rate = ✓ A [HI]/At b.…

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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: Answer number 11 to 20 pls.

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Q: Addition (chain-growth) polymerization reactions often terminate by combination or…

A: Degree of polymerization is  the number of monomer units in the polymer.  The termination step…

Q: The opposite of decomposition is "synthesis", or "combination" reaction. Using our definition for…

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Q: Which two structural features vary between the "deformational" isomers of [Ir2(dimen)4]2+? Group of…

A: To determine the two structural features that vary between the deformational isomers of…

Q: 2 What Grignard reagent and what carbonyl compound might you start with to prepare the following…

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Q: During a routine check of the fluoride content of Gotham City's water supply, the given results were…

A: The replicate concentration values are: 0.815 mg/L, 0.789 mg/L, 0.811 mg/L, 0.789 mg/L, and 0.815…

Q: Using the periodic trends, indicate which of the following atoms has the largest first ionization…

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Q: R O Nog light

A: Since you have asked multiple questions and have not specified which one to solve, we will solve…

Q: ""B H many stereocentres are present in the molecule? H e molecule chiral? Does it contain planes of…

A: Sterechemistry is branch chemistry in which we deal with three dimensional arrangement of atoms in…

Q: For each of the following precipitation reactions, calculate how many grams of the first reactant…

A: Na2CO3(aq)+CuCl2(aq)→CuCO3(s)+2NaCl(aq) to g

Q: Do crystalloids like .9% nacl solution act like buffers? How? If not, why?

A: Buffer solution are those that resist the change in pH of solution. Adding either acid or base to a…

Q: Does chloromethane contain a plane of symmetry? Is it a chiral?

A: First of all it needs to know about the chiral centre.  What is Chiral?  Let us see it in next…

Q: Maple water is concentrated using the reverse osmosis process. What pressure (in kPa) must be…

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Q: Predict the order of reactivity (1 being the slowest, 3 being the fastest) of primary, secondary,…

A: Primary alkyl halide is alkyl halide in which halogen group is attached to one carbon atom only and…

Q: Chemistry Use both a Q-test and Grubb's test on the following data to see if the lowest value can be…

A: The questionable value is the lowest number which is 34. We need the mean(average) and standard…

Q: Q22: If you rotate the hydrogen atoms to a different position in a model of C2H5Cl  by turning…

A: We have to answer by turning about the central C—C bond in C2H5Cl, do you get different structural…

Q: Consider a buffer solution consisting of CH3NH3Cl and CH3NH2. Which of the following statements are…

A: Note: As per the guidelines, solution of first 3 subparts has been prepared. For the expert solution…

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: S IUPAC name Provide HO JUPAC se IUPAC name: u

A: Fourth, sixth and seventh reaction involves bromination while fifth reaction is hydration. FeBr3 is…

Q: If the area of one tile is measured to be 1.07 ft2, how many tiles do you need to redo the floor of…

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Q: E2-5 Draw as many resonance structures as you can for the following spe- pelom bool nature cies,…

A: The molecules given are  (a) Nitromethane  (b) Ozone  (c) Diazomethane

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…

Q: 1. Draw nine constitutional isomers with a molecular formula of C3H6O and label the functional…

A: We have to draw the constitutional isomers for the given molecular formula and label the functional…

Q: How many atoms are in 159 g of calcium? 159 g = 4.13 Incorrect atoms

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Q: A. Molecules that are present in magnets and which give that material magnetic properties B.…

A: In this question, we have to choose the option which defines the term Polar as in polar molecule .

Q: Q46: Is the molecule chiral? Does it contain planes of symmetry? Bril.. "Br

A: plane of symmetry is the plane which separate the molecule into two equal half .

Q: Balance each chemical equation. CO2(g)+CaSiO3(s)+H2O(l)→SiO2(s)+Ca(HCO3)2(aq) Express your answer…

A: Answer: The chemical equation is-  CO2(g) + CaSiO3(s) + H2O(l) ----> SiO2(s) + Ca(HCO3)2(aq)  For…

Q: To make 1.50 L of 0.100 M NaCl from a 2.96 M stock solution, you would need to take  mL of the stock…

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Q: Which do you expect to have a more intense and concentrated “hot spot” of negative charge: methoxide…

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Q: 3. Determine the full rate law (via the method of initial rates), the overall order of reaction, and…

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Q: H42, C5H5, C6H6? They are all incorrect. They are all correct. O C4H42 has a quadruply dege O C5H5…

A: Aromatic compounds are those which obey Huckel rule and it has (4n+2) π electrons. Aromatic…

Q: The gas phase reaction between hydrogen and iodine is proposed to occur as follows: step 1 fast:…

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Q: Propose an efficient synthesis the following transformation: (a) The transformation above can be…

A: Organic transformation.

Q: What is the percent N by mass in iron (iii) nitrate

A: The detailed solution is given below.

Q: What is the long-hand electron configuration of chromium(III), Cr³+ ion? Enter the electron…

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Q: Carry out the following synthesis (WITHOUT MECHANISMS) giving all the necessary reagents (reagents…

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Q: Q4) Select the CORRECT graphic description of a suitable Hydrogen-Bonding interaction:…

A: Answer: Hydrogen bonding is a molecular attraction force present in between the two polar molecules…

Q: Create a flowchart on how to separate the mixtures of rough sand, table salt, cornstarch.

A: