A neutral atom has the following electron configuration: 1s 2s 2p°3s²3p' How many electrons does the atom have?

Q: What is the pH of a solution in which 15 mL of 0.10M NaOH js added to 25 mL of 0.10 M HC1? pH = %3D

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Q: 2.3 Draw correlation diagrams for conrotatory and disrotatory paths for reactions (a) and (b). Label...

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Q: a. Choose the item that correctly describes the oxidizing agent and the reducing agent in the reacti...

A: The addition of electrons or decreases in the oxidation state is known as a reduction reaction and t...

Q: Refer to the figure below. Identify the part of vernier caliper. ... O 10 20 30 40 50 60 70 B0 99 10...

A: Identify the part indicated in the above figures---

Q: A. Oligosaccharide component of antibiotic consisting of deoxypyranoses B. Oligosaccharide with 3 di...

A: The matching is as follows:  

Q: 60.0 mL of a 0.800M NaCl solution is mixed with 80.0 mL of a 0.500M KBr solution. What is the new co...

A: Answer: Molarity is an intensive property which is the ratio of two extensive properties, moles and ...

Q: A 50 ml aqueous sample containing 0.015 M amine (Ka = 3.16 x 10-9) was adjusted to pH 9.0 and then e...

A: Liquid - liquid extraction

Q: In the laboratory you measured RMSE, however here you will enter the R2 value displayed on the graph...

A:

Q: Calculate osmotic pressure for 0.10 M Na3PO4 at 20°C

A: Answer: Osmotic pressure is the pressure, that is required to be applied on the solution side stop t...

Q: Deductive reasoning is applied in forensic science, instead of inductive. This statement is true or...

A: The difference between inductive and deductive reasoning is that inductive reasoning focus at develo...

Q: For which of the following reactions is AH equal to AH of the product(s)?You do not need to look up ...

A: The reactions given are,  

Q: Examine the following position time graph: time (A The graph shows an object's velocity is changing ...

A: We know that velocity is the change in position with respect to time. Now, in the position vs time g...

Q: What volume (in mL) of 7.6 M HI would be required to make 500.0 mL of a solution with a pH of 3.20?

A: Given, Concentration of HI solution = 7.6 M Volume of solution = 500.0 mL pH of the solution = 3.20 ...

Q: igh-performance liquid chromatography would never be applied in drug analysis This statement is tru...

A: Given : We have to tell whether the statement is true or false.

Q: What is the molality of an aqueous solution that is 10.0% ethanol, C2H50H, by mass? Select one: a...

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Q: Choose an example of a displacement reaction. O 2H;(9) + O;(9) → 2H;O(!) O Sn(s) + 2HCI(ag) → SnCla ...

A: The reactions given are,  

Q: A solution containing Pt“t is electrolyzed with a current of 4.30 A. How long will it take to plate ...

A: This above question is solved with the help of Faraday's first law..  1 Faraday = 96500 coulomb

Q: What is the name of the compound with the chemical formula Fe(10,),? Spelling counts. name: What is ...

A: Write the nme for given compounds in the problem by using certain rules.

Q: 7. Why the need for a homogenizer?

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

Q: Assuming you start with 1.25 g of pure aluminum, calculate the following: 1) The amount of potassium...

A: Mass of Al = 1.25 g 

Q: A.) What is the temperature of 0.45 mol of gas at a pressure of 1.0 atm and a volume of 12.0 L ? Ex...

A: Ideal gas equation gives the relationship between pressure, volume, number of moles and temperature ...

Q: What is likely the type of that dissolved solute in the cells? (potatoes or sweet potatoes)

A: The solute  named sucrose is present. 

Q: Nitrogen and hydrogen react to form ammonia, like this: N,(g)+3H,(g) 2NH, (g) Suppose a mixture of N...

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Q: How many atoms does a simple cubic cell contains? Select one: a. 2 atoms b. 3 atom c. 4 atoms d. 1 a...

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Q: Mass spectrometry by itself cannot be used for a sample of mixture of drugs. This statement is Tr...

A: Mass spectroscopy is a technique which determines the mass to charge ration of various ions present ...

Q: Define the following terms: j. Foundation and vanishing Cream k. Night and massage cream o. Barri...

A: The terms define below.  

Q: The concentration of NaOH from the best three of your trials. 2. The average concentration of 3 of y...

A: Given: Titration KHP (g) Vfinal (mL) Vinitial (mL) Vtotal NaOH(mL) 1 0.7027 34.20 0.0 34.20 2...

Q: Which test can be used to differentiate ribose and glucose? Molisch Test Barfoed's Test O Sliwanoff'...

A: Which test is used to differentiate ribose and glucose ?

Q: Benedict's and Barfoed's tests involve reduction of sugars. O True O False

A:

Q: A chemist must prepare 700. mL of 17.0 µM aqueous zinc oxalate (ZnC,0,) working solution. She'll do ...

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Q: Describe the solubility property of animal oil and plant oil in different solvents and solutions. Ca...

A: Acetone and ethanol non-polar solvents or polar solvents? Acetone's chemical makeup includes element...

Q: Boyle’s

A:

Q: A solution is prepared by diluting 75.00 mL of a physiological saline solution (0.920% NaCI by weigh...

A:

Q: Using the table of standard formation enthalpies that you'll find under the ALEKS Data tab, calculat...

A: Calculate enthalpy of the given reaction --- 2C2H6(g) + 7O2(g) ----> 4CO2(g) + 6H2O(l)   

Q: он CHOH он CHOH но. I ACNH II OH CH3" OH HO III но What is the monosaccharide at the reducing end? O...

A: We have to predict the reducing end.  

Q: It is a chemical use to signal the end of reactions in a titration? Select one: a. Indicator b. cata...

A: Given statement is : It is a chemical use to signal the end of reactions in a titration = ?  Select ...

Q: A solution is formed by adding 3.20 grams of solid sodium hypochlorite, NaClO, to 500.0 ml of 0.0750...

A: Answer: Solution will be basic due to hydrolysis of hypochlorite ion because it is the conjugate bas...

Q: y= -3,579 x + 14.326 What is the Activation Energy (in Joules/mol) for this reaction at 30 oC? Do n...

A: Acc to arrhenius equationK = A × e-EaR×Tln K = - EaR× T + ln AY = m× x  + c where ,  m =- EaR ,    l...

Q: Question 10 Which sugar will yield a single alditol upon reduction? CH,OH Но H он но н CH2OH A. Sorb...

A: monosaccharides  have either aldehyde or ketonic functionality which are reducible and give alcohol ...

Q: What is a unit cell? Sketch a unit cell and label the dimensions a, b, and c and the angles 6. alpha...

A: The answer is as follows:  

Q: 1.15(a) A gas at 250 K and 15 atm has a molar volume 12 per cent smaller than that calculated from t...

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Q: -5 Calculate the volume in liters of a 7.21 x 10 °uM zinc oxalate solution that contains 200. g of z...

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Q: Solve all parts completely otherwise I will downvote.

A: The functional group interconversion is a key reaction utilized in synthetic organic chemistry in wh...

Q: Which lettered subunit is the nonreducing end? CHOH CHOH CHOH CHOH 1 CHOH O OH OH он CH 3 CH.OH он о...

A: To find the reducing And Non - Reducing end in the given structure of Sugar.

Q: Explain why yellow or yellow-red solutions have a peak absorbance of 540nm (in the green range on th...

A: In E M R there is mixture of colours.It is called ROY G BIV.So the color of the compound can be expl...

Q: Arrange the following solids in order of increasing melting points and account for the order. a. Naf...

A: Melting point of a substance can be defined as the temperature at which a solid substance convert in...

Q: Describe at least two methods used to measure pH.

A: Methods of measuring pH.

Q: For nonideal solution, like ethanol and water the less volatile component in this mixture has a ____...

A: Ideal solution is the solution which follows Roult's law and non ideal solution is the solution whic...

Q: What is the molality of an aqueous solution that is 10.0% ethanol, C2H5OH, by mass?

A:

Q: water in the air (at equilibrium) will decreased the vapor pressure of water at that temperature c. ...

A: Here some water is put on an open stove at initial temperature.  In that case evaporation and conden...