What is the value of hfe if beta is 200?

Q: 05: A kerosene sample has boiling range of 180-225°C and specific gravity of 0.793. This product has...

A: Flash  point is the most minimal temperature at which a compound can disintegrate to shape an ignita...

Q: 12. In which of the following does sulfur have the highest oxidation state? A) SO: B) Ss C) H:SO4 D)...

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Q: Phosgene, COCl2, used in the manufacture of polyurethane plactics, is prepared from CO and Cl2. CO(...

A: Eqilibrium constant expression can be defineds the ratio of concentration of products to concentrati...

Q: What type of intermolecular forces must be overcome in converting each of the following from a liqui...

A: The interactions between molecules occur as they are held together by intermolecular forces of attra...

Q: Give a clear handwritten answer of all sub parts  asap..?

A: Introduction: There are two way to write name for the any given compound one is common name and othe...

Q: 2. Consider the given reaction. 2BRF,(g) = Br,(g) + 5F,(g) If the respective equilibrium concentrati...

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Q: What is the pH of an aqueous solution that is initially prepared as  0.35 M  NH4Br ?    Note:  Kb fo...

A: NH4Br is a salt formed from a strong acid HBr and a weak acid NH3. Therefore the salt is acidic.The ...

Q: A 47.4g sample of a metal was heated to 94oC then quickly transferred to an insulated container cont...

A: Answer: This question is based on energy conservation. When metal will be put into the water, energy...

Q: 19. What is the precision in milliliter (mL) of the volumetric instrument below? SO 4788 50:2ml RAND...

A: It is 50 ml measuring cylinder. There are 4 lines in between every 10ml  gap.  

Q: Question 4 Status: Not yet answered | Points possible: 1.00 Burning 1.02 g of a fuel causes the wate...

A: We know that  Heat released = C*ΔT (because here calorimeter is used )  Given - - > C = 3.09 KJ/°...

Q: Q3. A sample consisting of mono atomic ideal gas at 1 atm and 25C" expand adiabatically and reversib...

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Q: PPM

A: The correct answer about NMR spectrum is given below

Q: Given the following potential energy diagram for the one-step reaction X+YZ+R b x+y Reaction coordin...

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Q: / protons

A: Since you have asked multiparts, we will solve the first three subparts for you. If you want any spe...

Q: [References) A few hydrogen and oxygen molecules are introduced into a container in the quantities d...

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Q: 6. -čOCH,CH, 7. CH;CH:CH:CH;CH2NH2 S. CH:(CH:);CHO 9. HC CHẠCH,CH;-CH-CH, 10.

A: IUPAC Rules : Identify the longest carbon chain as parent chain Start the numbering from the end ne...

Q: Consider the initial conditions of a gas: Initial Variable Value 400. K 250. V 3.30 atm Determine th...

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Q: 3. Which of the following statement/s is/are correct? 1. 3.00 N H2SO4 is equivalent to 6.00M H2SO4. ...

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Q: A sample of oxygen gas is collected over water at 28°C. The vapor pressure of water at 28°C is 20 mm...

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Q: Q2. A. Compound Which is composed of 57.14% C, 6.16% H, 9.52% N, 27.18% O by mass and has a molar ma...

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Q: At constant I and n, the pressure of a gas can be doubled by: O decreasing volume to 25% O doubling ...

A: Ideal Gas Law :-  PV = nRT  P is the pressure of gas  V is the volume occupied by gas n is the numbe...

Q: t pressur

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Q: 1. A container of 250 cm3 is divided into 2 compartments of equal size. In the left there is argon a...

A: Here in the above conditions mixing of gases occur at constant temperature and pressure ( identical ...

Q: The amino acid alanine has two isomers, a-alanine and B-alanine. When equal masses of these two comp...

A: α alanine and β alanine both dissociates into ions shown as:- Alanine⇋X+ + Y-  Equilibrium constant ...

Q: A neutralization reaction occurs when 120.00 mL of 0.500 mol/L LIOH and 160.00mL of 0.375 mol/L HNO3...

A: Given, Molarity of LiOH = 0.500 M  Volume of LiOH in mL = 120.00 mL  Molarity of HNO3 = 0.375 M  Vol...

Q: Es(OH), + H(NO,) → |

A: The element 'Es' here is named as Einsteinium and it forms Einsteinium hydroxide because it belongs ...

Q: Q2. A. Compound Which is composed of 57.14% C, 6.16% H, 9.52% N, 27.18% O by mass and has a molar ma...

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Q: A solid substance has a mass of 150 grams. It is cooled from 25°C to 5°C and loses 8.675 kJ of heat....

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Q: Crude Oil must be processed before it can be used? True or False

A: Given statement is : Crude Oil must be processed before it can be used?  Whether this statement is T...

Q: Which of the following has the highest boiling point? ethane, CH3CH3 formaldehyde, HCHO dimethyl ket...

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Q: 4. The oxidation state for carbon ion in b. CCl a. C H.

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Q: following the data in the mass spectrum, can you help me find the parent peak? and how do you identi...

A: A mass spectrum is given. We have to determine the parent peak in the given mass spectra. There are ...

Q: 2. Consider the given reaction. 2BRF,(g) = Br,(g) + 5F,(g) If the respective equilibrium concentrati...

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Q: The following initial rate data are for the oxidation of arsenate ion by cerium(IV) ion in aqueous s...

A: The sum of the exponent term in the rate law for a chemical reaction is known as the order of the re...

Q: The black “smoke” that flows out of deep ocean hydrothermal vents is made of insoluble metal sulfide...

A: Given:- The black “smoke” that flows out of deep ocean hydrothermal vents is made of insoluble metal...

Q: 4. The oxidation state for carbon ion in a C. He h CCLL

A: Oxidation state can be defined as the   number of electrons that an atom can  gain or lose for formi...

Q: 2) Provide acceptable names for the following structures: | CH,—С—NН— Ph Ph — О—С- СH;

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Q: с. HAt + Th(ОН), > HAt + Th(OH),

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Q: A buffer system with pKa of 6.4. Which of the following pH is reasonable when a base is added to the...

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The buffe...

Q: Calculate the pH when 10.0 mL of 0.150 M KOH is mixed with 20.0 mL of 0.300 M HBrO * (Ka = 2.5 * 10 ...

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Q: What is the pH of 0.32 M acetic acid to 1.00 L of which 0.630 g of sodium acetate, NaCH, CO,, has be...

A: Given :-  [Acetic acid] = 0.32 M  Mass of sodium acetate = 0.630 g  Volume of solution = 1.00 L  Ka ...

Q: Draw the organic product of the reaction. + OCH(CH32

A: Alkyl iodide reacts with alkoxide ions to form an ether.

Q: volume

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Q: The isomerization of methyisocyanide, CH3NC, to acetonitrile, CH;CN, is a first-order reaction. If 2...

A: Given data : 

Q: which is dehydrated fastest and which slowest und

A: R-OH +H+>>>>R+  +H2O    hence dehydration of alchohal is prapotional to stability of car...

Q: 8) The equilibrium constant K for a certain chemical reaction has been determined experimentally and...

A: Introduction: We have the following equations,                            ∆G0 = ∆H0 - T∆S0 At the eq...

Q: ry or higher- molecules, salts) e Ta: Formula → name formula Binary? Covalent or Polyatomic ion? Cat...

A: The following given compounds can be classified in the basis of atoms or polyatomic ions involved in...

Q: 9. The data below was measured for the decomposition of a reactant, A. Indicate the order of the rea...

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Q: the Ph of a 0.050 M weak acid solution is 5.25. Calculate the Ka of the acid.

A: Given, pH of weak acid= 5.25 [weak acid ] =0.050 M Ka = ?

Q: Indicate the reagents for the transformation: hex-3-en-2-one → 3,4-dibromohexan-2-one

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Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.