QUESTION 10 When tested on Day 1, CJ scored a 100 percent; on Day 7, he scored a 50 percent. If the effort and knowledge were consistent, the test would lack external consistency Otest-retest reliability O internal consistency O interrater reliability

Q: 9. Iron has an atomic number of 26 and has an electronic configuration 18² 28² 2p 38² 3p 48² 3d. How…

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Q: A flask that can withstand an internal pressure of 2500 torr, but no more, is filled with a gas at…

A: Given data is as follows: The final pressure of the flask P2 = 2500 torr The final temperature of…

Q: Number

A: Carbonic Anhydrase is used for the reduction of CO2 to Carbonic acid.

Q: A body-centered cubic unit cell has an edge length of 588 pm. What is the radius of the atoms…

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Q: +"OH(aq) 2F (aq) + H20(1) 9) + Cl (aq) 2 NH3(g) + HCl(- aq) + H30*(aq) 2 H,CO3(aq)

A: In the acid-base reaction,  equilibrium shifts in the direction where weak acid-base formed.

Q: 95. Rank the following alkyl bromide from most reactive to least reactive in a solvolysis reaction…

A: : Solvolysis ∝ stability of carbocation

Q: 9. How many photons are absorbed by a single atom in order for an electron to move to a higher…

A: The no of photon absorbed is the integral multiple of hv . Where v is frequency of radiation .

Q: The following question is from my textbook practice questions. It is shown in the photo below.

A: In 1H NMR, we get separate signals for that each hydrogen which is in different electronic…

Q: Table 2 Mg²+ Li¹+ Nhật ● OH¹- CO3²- PO43-

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Q: 6.56 Is AH positive or negative when 1 mol of water vapor con- denses to liquid water? Why? How does…

A: For an endothermic reaction, ∆H is positive whereas for an exothermic reaction, ∆H is negative

Q: 1. Give the formulas of the ions (with charges) and the formul: Cation Anion Aluminum nitrate…

A: 1.Aluminum nitrate Cation- Al(3+)  Anion- NO3- Formula of compund- Al(NO3)3

Q: Consider the reaction below to answer the following questions. CH3 CH3 H3C H,O НС— ҫ—он + H;C…

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Q: 10. One liter of sulfur vapor, Sg, at 600°C and 1.00 atm is burned in excess pure oxygen to give…

A: Given , Volume of S8 (V) = 1.0 L Temperature (T) = 600 °C = (600+273.15)K = 873.15 K Pressure (P) =…

Q: 4 If I initially have a gas with a pressure of 945 kPa and a temperature of 35.0°C °C, what will the…

A: Gay- Lussac's law: At constant volume for a given amount of gas pressure of a gas is directly…

Q: 3-D contour surfaces

A: In this question we have to draw the 3-D contour for a 4p orbital.

Q: Calculate the pH of a 0.100 M solution of the weak acid HF. pKa of HF = 3.14. 18x105

A: Given concentration of acid solution = 0.100 M  pKa = 3.14

Q: A solution has [OH¯] = 4.0 × 10-. What is the value of [H*] for the solution?

A: Given :- [OH-] = 4.0 × 10-8  To calculate :- [H+]

Q: 1. The noble gas, neon, has three isotopes of masses, 22, 21, and 20. If the isotopes have the…

A: Average atomic mass calculation: (1) Consider the given information is as follows;…

Q: 3. Which of the following is a good buffer system? a. A solution that is 0.10 M NaCl and 0.10 M HCl…

A: Acidic Buffer solution definition: buffer solution is an aqueous solution consisting of a mixture of…

Q: Calculate the concentration of Ni(H₂O)62+ ions at equilibrium in the solution formed. 2.18 x 10 10 M

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Q: Mg ati

A: 1. Alkyl halide react with magnesium to give alkyl magnesium halide (Grignard reagent).

Q: The base protonation constant K of morpholine (C4H₂ONH) is 2.14 × 10. Calculate the pH of a 1.2 M…

A: Given,(i) Molarity of morpholine ( C4H8ONH ) = 1.2 MKb of C4H8ONH = 2.14 x 10-6 (ii)  Molarity of…

Q: Which of the following depicts the most likely mechanistic pathway for the nucleophilic acyl…

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Q: The heat of fusion AH, of diethyl ether ((CH3 ((CH3)₂(CH₂)2₂0) is 185.4 kJ/mol. Calculate the change…

A: When diethyl ether (C4H10O) is melted, the solid diethyl ether is converted to liquid state. As…

Q: 1. The label on a 300 ml stock bottle reads 30% alcohol by volume. What volume of alcohol does it…

A: Given:            Volume of Stock solution: 300ml             % of Alcohol by volume(Volume…

Q: CI Assume the partition coefficient for this compound is too high. Propose a structural modification…

A: The partition coefficient is ratio of molar concentrations of chemical in a non aqueous phase and…

Q: Calculate Change of Enthalpy- use Table A-14 1. Calcium carbonate breaks down into calcium oxide and…

A: The enthalpy of a reaction can be determined by the enthalpy of the formation of reactant and…

Q: Acetylene and oxygen react to form carbon dioxide and water, like this: 2C₂H₂(g) +50₂(g) → 4CO₂(g) +…

A: According to Le Chatlier's principle, a system in equilibrium tends to remain in equilibrium and…

Q: 9) The temperature of a sample of N2 at 4.9701 atm is changed, causing a change in volume from…

A: Given  Initial Pressure (P1)        = 4.9701 atm  Initial Temperature (T1) = 654.67 K  initial…

Q: A sphere has a diameter (d) of 25 mm. Find the volumè (V) cf sphere in mL. 4 (For sphere: V =tr³ and…

A: we have to apply this volume formula and take r=12.5 mm

Q: Inoitosidua omoz slupeilw zi) OXto 286M Stoichiometry: Mass-Mass Experimentation has shown that…

A: 1 mole = 6.022×1023 [ Avogadro's number ] Atomic mass :  The mass of 1 mole of atoms of an element…

Q: Sodium hydroxide reacts with acetic acid to produce sodium acetate and water. It takes 25.0 ml of…

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Q: In the formation of 4-Chlorobenzhydrol, using the method shown below, I am trying to determine how…

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Q: 0.04 nm 104° +) A) Suppose the center of a water molecule was positioned 1.0nm away from a 2nC…

A: A) As we know, a charge is a source of e ll electric field,in which electric dipole (water molecule…

Q: Use calculator to solve the problems. Write your answer in scientific notation with correct number…

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Q: 2. Consider the reaction of A Products. Concentration unit is in terms of molarity and time is in…

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Q: Using the activity series (Figure below), determine which combination of reactants will react with…

A: The activity series helps in determination of occurrence of a reaction whether the following oxiding…

Q: Round each number as indicated  a) 8.3158 (3 SF) b) 25225 (3 SF)

A: General rules for the significant figures are: 1) All non-zero numbers are significant. 2) Zeros…

Q: 9. Indicate the type of complex lipid represented by each structure below.

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Q: Estimate AS for the following reactions: a. 2 C10H22 (1) +31 O2 (g) b. HCI (g) + NH3 (g) ---- NH4Cl…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: Number 1

A: Since silver nitrate is completely soluble in water Hence as per the solubility reaction AgNO3…

Q: Using benzoic acid's solubility data in water (found in the pre-lab), calculate the amount of HOT…

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Q: 2A gas that has a volume of 98 liters, a temperature of 45 °C and an unknown pressure has its volume…

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Q: If the actual yield of the reaction was 75% instead of 100%, h was over?

A: This is a multiparts question. According to guidelines in multiparts question We can solve only the…

Q: Calculate the concentration of Ag*, if the sparingly soluble salt Ag2CO3 is added to a 0.40 M N22CO3…

A: Given: The Ksp of Ag2CO3 = 8.10×10-12 We have to calculate the concentration of Ag+ if the sparingly…

Q: 1. In which of the following reactions would you expect the orientation factor to be more important…

A: To determine which of the below reactions the orientation factor is more important in leading to the…

Q: 1. Predict the major product for the reaction shown here. Draw the complete detailed mechanisn for…

A: There are many bases in organic chemistry. When bases are treated with carbonyl compounds, bases…