1. Describe a test procedure to differentiate between these two solids. NH4Cl and NaOH

Q: 337.1 nm(wavelength of a nitrogen laser) Express your answer using three significant figures.

A: Given data :  Wavelength of nitrogen laser = 337.1 nm  How to count significant figures in a number:…

Q: The combustion of gasoline (C8H18) leads to a change in internal energy, AU of 5404 kJmol-1 at 298.0…

A: Given : reaction reaction Tip : ∆H = ∆U + ∆ngRT

Q: You created a standard curve and calculated the slope to be 66.41. After synthesizing your copper…

A: Given, Slope= 66.41  weight of copper = 0.052 grams  Absorbance = 0.29 By applying Beer's law to…

Q: Which of the following contains the highest number of atoms? A) 1 mole of helium B) 1 mole of carbon…

A: Given that ,we have 1 mole of helium,carbon and uranium each.

Q: A radio station's channel, such as 100.7 FM or 92.3 FM, is actually its frequency in megahertz…

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Q: 20) Napthalene is often used to determine the heat capacity of bomb calorimeters because it can be…

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Q: A chemist measures the enthalpy change AH during the following reaction: COCL₂(g) + 4NH₂(g) →CO(NH₂)…

A: Answer:- This question is answered by using the simple concept of calculation of enthalpy using the…

Q: total ionic equation: Cu²+ (aq) + SO2 (aq) + Mg(s) → Mg²+(s) + SO²¯ (aq) + Cu²+ (aq)

A: Given , Incorrect equation : Cu2+(aq) +SO42-(aq) +Mg(s) →Mg2+(s) +SO42-(aq) +Cu2+(aq)

Q: QUESTION 7 Which of the following acids HCIO2(aq) HCIO(aq) HBrO2(aq) HBrO(aq) HIO(aq) is the…

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

Q: What are the units of an amount taken as a log. For instance, we were asked to plot a standard curve…

A: "Log" of any value is constant, however we can take "log" of any positive value having any unit.

Q: number of moles in NH4Cl in 86.6 g

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Q: When copper is heated with an excess of sulfur, copper(1) sulfide is formed. In a given experiment,…

A: Given , mass of copper = 1.50 gmass of copper (I) sulfide formed = 1.56 g

Q: A glass vessel contains 40 g of argon gas. Assuming ideal behavior, which of the processes listed…

A: Given:  Mass of Argon gas= 40g

Q: Select all of the correct statements about reaction rates from the choices below. The lower the…

A: #(a): The rate of a chemical reaction is the speed or fastness at which a chemical reaction…

Q: PROBLEMS (1 L atm = 101.325 J, 1 L bar = 100.000 J) 2. Calculate the change in internal energy for…

A: Amount of potassium chlorate = 5.432 g decomposition reaction is :  2KClO3 →2KCl + 3O2 Given that :…

Q: The red color in the nirtate broth following the addition of reagent A and reagent B, but before the…

A: In this question, we have to answer that red color in the nirtate broth following the addition of…

Q: How many signals would be present in the ¹HNMR? 2 0 3 02 01

A: Since, In 1H NMR, if environment of the H attached with the carbon is different then so 1H NMR.…

Q: 1. for the following molecule provide the correct lupAc Ā name

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Q: 9. For the following reaction, the overall enthalpy change is: CH3CH₂CH3 + Br2 (A) -12 kcal/mol (D)…

A: Given -   CH3CH2CH3 +Br2 ->CH3CH2CH2Br +HBr

Q: //app.101edu.co Question 5 of 7 Calculate the pH when 61.0 mL of 0.150 M KOH is mixed with 20.0 mL…

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Q: Consider the hypothetical reaction A+B+2C 2D+3E where the rate law is Rate= Δ[Α] KAB An experiment…

A: Given, The hypothetical reaction : A+B+2C→2D+3E Rate law : -∆A∆t=K[A][B]2

Q: Given a 0.300 M solution of anserine at its isoelectric point and ready access to 0.300 M HCl, 0.300…

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Q: DATA SHEET Isolation of Proteins Proteins Gluten Casein Albumin Myoglobin Hydrolysis of Intact…

A: protein Description Procedure Gluten It is a protein, a composite of glutenin, and prolamin.  It…

Q: The acid-dissociation constant for benzoic acid (CH₂COOH) is 6.3 x 10 5 ▾ Part A Calculate the…

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Q: Explain the chemical principles that were involved in deciding to manipulate the numbers the way you…

A: The equilibrium constant, Kc value at room temperature is known to us which is: Kc = 0.00332   We…

Q: Percent ionization for a weak acid (HA) is determined by the following formula: [HA] ionized [HA]…

A: we have to calculate the percent ionization

Q: Complete the following solubility constant expression for ZnCO3. Ksp = 0 X 00 G 00

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Q: Q3: XeF40 belong to the point group C4v, Determine: a. DOF. b. # of vibrations. + c. vibrational…

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Q: When the reaction shown is correctly balanced the coefficients are HBr + Mg(OH)2 MgBr2 + H₂0 >

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Q: What mass of precipitate (in g) is formed when 82.4 mL of 0.500 M AICI reacts with excess AgNO3 in…

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Q: 07/ Oxygen at 30 °C and 300 kPa absolute pressure ex- pands isothermally to an absolute pressure of…

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Q: Chemistry What is the pH of a 0.0730 M solution of HONH3CI (Kb of HONH₂ is 1.1 x 10-8)?

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Q: Balance the following reaction   _____ C5H10O           +     _____O2           ------->…

A: The balanced chemical reaction is below -->   C5H10O + 7O2 → 5CO2 + 5H2O   When C5H10O is treated…

Q: QUESTION 19 A sample of hydrochloric acid (approximately 0.10 M) is titrated with 0.0993 M NaOH at…

A: The given reaction is a reaction between a strong acid (hydrochloric acid) and a strong base (NaOH).…

Q: the free energy for a reaction can be related to the equilibrium constant through the formula below.…

A: Given: Room temperature: 296 K and ΔGo : 14.05 kJ/ mol Ice temperature: 277 K and ΔGo : 25.26 kJ/…

Q: Did you first add the H2O(l) on the right side of the equaton and then added the 2HO- on the left…

A: In this question, we have to answer the above question preceding the previous problem.

Q: A sample of HI was placed in a container and the following reaction was allowed to come to…

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Q: the free energy for a reaction can be related to the equilibrium constant through the formula below.…

A: When solid borax is added to water, the following equilibrium is established.…

Q: Draw the bond line structure of the given condensed Lewis structure.  Must be handwritten.

A: Bond line structure is the molecular structure of a compound in which each bond between carbon atoms…

Q: Draw the product of an SN2 reaction shown below. Use wedge and dash bonds to indicate…

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Q: A buffer solution is 0.434 M in HF and 0.283 M in KF. If Ka for HF is 7.2x10-4, what is the pH of…

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Q: Determine the concentration in molarity of a 320 mL solution which contains 2.5 moles of solute.

A: Given :  Moles of solute = 2.5 moles  Volume of solution = 320 ml

Q: 2. Determine for each of the following pairs if they are constitutional, conformational,…

A: #2: Constitutional isomers: Constitutional isomers have the same molecular formula, but are…

Q: ngineer is studying the two reactions shown in the table below. In each case, he fills a reaction…

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Q: Analyzing the Data 1. When the uncorrected volume is doubled from 5.0 mL to 10.0 mL, how does the…

A: Volume and pressure are interrelated. They are inversely proportional and whenever volume increases…

Q: A gaseous mixture was enclosed in a piston and cylinder system having a volume of 8.545 L. When a…

A: The Answer to the following question is-

Q: Solve this exercise without using a calculator. The reaction 3 N₂H4(g) + 4 ClF3(g) → 12 HF (g) + 3…

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Q: compound that matches. Tollens' Test positive negative positive CH3 Schiff's Test immediate color…

A: NMR spectroscopy is used for the determination of the structure with incorporating the interaction…

Q: НО. S 5 О R ОН

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Q: QUESTION 29 A 0.10 M aqueous solution of a weak acid HA has a pH of 4.00. What is the value of Ka…

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