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Q: 1. Which of the following would be effective buffers. (circle effective buffers) HCN/NACN desired…

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Q: If the pH is 9.85, what is the concentration of the aluminum hydroxide solution?

A: pH is expressed as negative log10 of hydronium ion concentration.

Q: Screen. 7 With increasing polarity of solvent the

A: UV-Vis Spectroscopy can be defined as a technique that is used for measuring amount of light…

Q: Give IUPAC names for the following alkanes, and convert each drawing into a skeletal structure. 3-20…

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Q: Que What is the change in enthalpy in kilojoules when 3.24g of CH,OH is completely reacted according…

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Q: A 300 mg sample of caffeine was dissolved in 10.0 g of camphor (Ke=39.7°C/m), decreasing the…

A: The expression for depression in freezing point is used to determined the molar mass of solute as…

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A: The following reaction takes place when NaF dissociates in water,

Q: Hiii!! Can somebody here help me with what my tutor made me? I can't really understand it…

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Q: Of what order is the following process? vs. Time 5 4 3 1 10 20 30 40 Time (s) 1

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

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A: a.The dissociation of phenol in aqueous solution is given as,

Q: 1. The mass of a 45.750 g piece of copper is measured three times on two different balances with the…

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Q: 10. Using the phase diagram at right for an unknown substance, what phase change(s) occur when…

A: The solid, liquid and gaseous phase of substance can be represented in the phase diagram as (S =…

Q: 2Agl Ag + 12 Ecell = [?] V Enter either a + or - sign AND the magnitude. Cell Potential (V) Enter

A: The reaction is at equilibrium and given as 2AgI = 2Ag + I2 The equilibrium constant K is given, K =…

Q: 2C,H,0(g) + 5o,e) 4CO,(e) + 4H,0 (g) Be sure any of your answers that are calculated from measured…

A: In the above two procedures, temperature is relesed by the reaction so temperature of water…

Q: . Use the References to access important values if needed What is the IUPAC name of the following…

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Q: 7-Suppose that 25.00 mL HCI is titrated with 2.000 M NaOH. Calculate the concentration of the HCI…

A: The concentration term is defined by molarity which is defined as the moles of solute present in 1L…

Q: 1. Give the electron configuration for the following atoms using appropriate noble gas inner core…

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

Q: Step by step please

A: The pH of the salt is calculated by using the equation,

Q: Question 11 of 18 > How many moles of N, are in a 9.45 L cylinder at 66.6 °C and 2.99 atm?

A: Given- Volume=9.45L  Pressure=6atm Temperature=66.6°C=339.6K  Moles of N2=?

Q: 5. You make a calibration curve using dilute concentrations of dye and determine the equation of the…

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Q: 3- Calculate the final volume at 302 K of a 5.41 L sample of gas originally at 353 K if the pressure…

A: Given values, V1= 5.41 L , T1= 353 K V2= ? , T2=302 K

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A: a) The concentration of HOCl and -OCl is calculated as,

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A: a) The given two acids are oxy-acids (i.e., acids containing oxygen).Moving down the group in the…

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A: In order to determine the rate constant, first the rate law for the reaction has to be determined.…

Q: 2. What is the theoretical oxygen demand (mg/L) of a glucose solution with a concentration of 400…

A: 2) Theoretical oxygen demand: It is the theoretical calculation of the oxygen required to completely…

Q: Classify each of the following as elements (E) or compounds (C). HCI NaCI CH,COOH Fe element

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Q: temperature. 5. Use the Ideal Gas Law to calculate the number of moles (n) of carbon dioxide…

A: Since you have posted questions with multiple subparts we will solve the first 3 subparts for you.…

Q: Consider the following reaction: N₂ (g) + 2H₂ (g) = N₂H4 AH = -276 kJ

A: Given: N2(g) + 2H2 (g) ⇌ N2H4 ∆H = -276 kJ The objective is to predict the equilibrium shift

Q: Step by step please

A: Hello there, As per our guidelines we can only answer the first three sub parts of a question. So,…

Q: HO 1. TsCl, py В 2. LIET3BH, THF "CH3

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A: **A) Number of Rings Undergoing Electrophilic Aromatic Substitution (EArS):**  In the given…

Q: How many moles of vanadium atoms, V, are needed to combine with 0.145 mol of O atoms to make…

A: Vanadium reacts with oxygen to form vanadium pentaoxide (V2O5). The molecular formula of the…

Q: Classify each aqueous solution as acidic, basic, or neutral at 25 °C. Acidic pH=3.57 [H]-3.8 x 10"…

A: For acedic solutionspH < 7 [H+] > 1.0 x 10-7 and [OH-] < 1.0 x 10-7For basic solutionspH…

Q: A Gold (Au) has a face-centered cubic structure with a unit cell edge length of 407.8 pm. What is…

A: Given: Edge length = 407.8pm Molar mass of gold = 197 g/mol 1 pm = 1x 10-10cm Avogadro's number =…

Q: For this problem, consider a scenario where you treat yourself to a milkshake every night before…

A: Calorie content in 1 g carbohydrate = 4 calCalorie content in 1 g protein = 4 calCalorie content in…

Q: . Starting from phenol, draw the products upon reaction with the following reagents A HNO, H;SO, OH…

A: Given : We have to draw the products from the given reactant and reagents.

Q: Which change can be easily reversed? O Chemical Change O Physical Change O Both a physical and…

A: A physical change happens when a compound undergoes changes in physical properties like color…

Q: 1. pH = 2.2, what is the [OH']? 2. pOH = 8.9, what is the [H*]?

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Q: 5- 0.853 mol of methane gas occupies a volume of 15.0 L at a certain temperature and pressure. What…

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Q: 1. Calculate how much lemonade powder you will need to make 0.100 L of each solution. Fruit drink is…

A: To calculate the mass of lemonade powder needed for each solution, we need to use the molar mass of…