Which of the following results from an in-line HPLC mobile phase filter becoming plugged with filtered debris? an unusually high pressure. decreased retention time. baseline drift. "split" peaks.

Q: Consider the reaction and its rate law. 2 A + 2B – products rate = k[B] What is the order with…

A: Given :-  2A + 2B → products  As per rate law :-  rate = k [B]  To determine :-  Order with respect…

Q: For Cd(OH)2, Ksp = 5.9 x 10-15, For [Cd(CN)4]²- Kr = 3 × 1018. What is the molar solubility of…

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

Q: Write out a balanced molecular and a net ionic equation, both with phase labels, for the reaction…

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Q: A semipermeable membrane is placed between the following solutions. Which solution will decrease in…

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Q: Why are H3PO4 and H2SO4 used in the synthesis of 4-methylcyclohexene from 4-methylcyclohexanol and…

A: Given: H3PO4 and H2SO4 used in the synthesis of 4-methylcyclohexene from 4-methylcyclohexanol and…

Q: -2- 9. Which of these is correctly associated with the cathode? I. positive electrode II. electrode…

A: We have to find correct options about cathod form the following- I. Positive electrode II. electrod…

Q: Consider the titration of 30.0 mL of 0.315 M weak base B (Kb = 1.3 x 10⁻¹⁰) with 0.150 M HI. How…

A: At halfway point , half moles of base are neutralized by acid , HI .  So, we would calculate moles…

Q: An electrochemical cell was set up at 298K. One half-cell has a solid platinum electrode in a…

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Q: Part A A 300-m length of wire stretches between two towers and carries a 120-A current Determine the…

A: Given data :

Q: A piece of metal weighing 59.6 g with a specific heat of 0.59 Jg1°C-! at 1197.5 °C is dunked into a…

A: When the hot metal is dunked into the water, the heat is released by the metal and the equal heat is…

Q: a. Al-25 decays by positron emission. What are the atomic symbol and mass number of the product?…

A: Determine the symbol, mass number of the product ---

Q: I Review | Constants Assuming each solution to be 0.10 M, rank the following aqueous solutions in…

A: The order of pH is

Q: Mass

A:

Q: Find the AHn for the following reaction: B2 H6 (g) + 6 Cl2(9) → 2 RC13(g) + 6 HCl(g) given the…

A: B2H6(g) + 6 Cl2(g) --> 2BCl3(g) + 6HCl(g)

Q: Li, pentane, Cul F CH,CH,Br, ether e.

A:

Q: What is the standard enthalpy (in KJ) of formation for this reaction: CH,(9) + O2(g) → CO2(g) +…

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Q: nd rate law

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Q: Find the pH of 0.180 M NACN solution. For HCN, K = 4.9 x 10 10 O 8.57 O 2.72 O 5.03 O 11.28

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Q: Compound A H CompoundB H Compound C Compound D OH Br Compound E Compound F Compound G Compound H

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Q: EXPERIMENT: SIMPLE BATCH DISTILLATION    I want theory background for this experiment

A: The answer is given below

Q: 18 of 21 I Review | Constants | Periodic Table The temperature for each solution is carried out at…

A: Given that:  Mass of HCl = 0.80g Molar mass of HCl = 36.5g/mol  Volume of solution = 3.5L

Q: there may be several correct answers 2. Ftivazide in chemical structure is: A. Ester B. Urethan C.…

A: The correct answer about Ftivazide is given below

Q: What mass of NaOH(s) must be added to 1.0 L of 0.072 M NH3 to ensure that the percent ionization of…

A: Given,  Concentration of NH3, [NH3] = 0.072 M

Q: H 2 H. + H:Y: The Lewis representation above depicts a reaction between hydrogen (blue) and a…

A: There are two types of bond formation -  1- ionic bond (donation of electron) 2- covalent bond…

Q: You have a bottle of 0.15 M H2CO3 a. Write the name of the compound ________________ b. If the…

A:

Q: Part A A step-up transformer increases 19 V to 240 V What is the current in the secondary coil as…

A: We know that, power = voltage difference × electric current P = VI

Q: 23. The reaction between solid sodium and iron(III) oxide is one in a series of reactions that…

A: Limiting reactant :- A reactant which is present in lesser number of moles than required as per…

Q: Part A What volume (in mL) of a 0.175 M HNO3 solution is required to completely react with 40.0 mL…

A: Given, Na2CO3(aq) + 2HNO3(aq) →2NaNO3(aq) + CO2(g) + H2O(l) HNO3 solution Molarity of HNO3 solution…

Q: value of the equilibrium constant,

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Q: Before investigating the scene, the technician must dilute the luminol solution to a concentration…

A: Given : molar concentration of dilute solution of luminol = 4.00 × 10-2 M  Volume of solution = 2.00…

Q: iew | Constants | Periodic Table A red blood cell has been placed into each of three different…

A: The answer is given below

Q: Problem-7. pH of an aqueous solution of HCl is 2.699 at 25°C. Calculate the molarity of the…

A: pH of a solution is defined ad the negative logarithm of hydronium ion concentration. HCl +H2O…

Q: Complete the diagram of the mechanism of a general enzyme-catalyzed reaction. The abbreviations E,…

A: In enzyme catalyzed reaction enzyme helps in the conversion of substrate to product at relatively…

Q: 2. Dmitri Mendeleev - Great Minds 3. Dmitri Mendeleev and the Modern Periodic Table Ti-s0 Mn-55 Fes…

A: Given : We have to tell how Mendeleev arrange the elements in periodic table.

Q: Two kinetics trials are performed at the same temperature with [S2O82-] held constant. The first…

A: For a reaction of type aA+bB--->cC +dD Rate law is written as Rate = k[A]x[B]y where x and y are…

Q: Find the AHn for the following reaction: B,H6 (9) + 6 Cl2 (9) → 2 BC13(9) + 6 HC(9) given the…

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Q: Draw the products expected from the addition of bromine to an alkene and to an alkyne.

A: The product of bromination of alkyne and Alkene is given below

Q: What is the standard enthalpy (in KJ) of formation for this reaction: CH (g) + O2(g) → CO2(g) +…

A: Given,  CH4(g) + O2(g) ---------> CO2(g) + H2O(l)  ∆H°CO2(g) = - 393.5 kJ/mol  ∆H°H2O(l) = -…

Q: What mass (in grams) of Mg(NO3)2 is present in 148 mL of a 0.500 M solution of Mg(NO3)2? 6.39 g O…

A: The answer is given below

Q: Discuss the role of solubility of a drug when formulating an oral solution for Paediatric…

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Q: Post Lab Questions: 1. When 305.0 calories of heat are added to 32.5 g of copper (specific heat…

A: Given,  305.0 calories heat added to 32.5 grams of Cu. The temperature change in the Cu is :

Q: 2. A 0.325 g sample of copper was weighed out by a student to start this experiment. A. How many…

A: Given that -  Mass of sample of copper = 0.325 g    (A) Now the number of moles of copper are -…

Q: a The first four steps in the radioactive decay sequence of Pb-214 are B, B, a, B. To write the…

A: When a beta decay take place, then atomic number of the element Increases by one while atomic mass…

Q: Find the pH of a 0.145 M HCIO2(aq) solution. For HCIO2, Ka = 0.011. O 0.84 O 1.46 O 1.34 O 1.40

A: Given: Concentration of HClO2 = 0.145 M And Ka of HClO2 = 0.011

Q: The following reaction is spontaneous in which direction? Cr(N3)2 + 2LiF — CrF2 + 2LiN3

A: The following reaction is spontaneous in forward direction.

Q: A voltaic cell consists of an Al/Al3+ half-cell and a Fe2+/Fe3+ half-cell.  The standard reduction…

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Q: please answer all of them especially at 50 ml. Thank you. Consider the titration of 80.0 mL of…

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Q: Draw the major elimination product for the reaction of 2-bromo2-methylbutane with A) KOH B) KOtBu…

A: Ore hinderd base give less substituted alkene  and less hinderd base gives more substituted alkene

Q: 9.51 g mixture of metal hydrate BaCl2*2H2O with an unknown amount of KCI is heated to remove water…

A: A question based concentration terms that is to be accomplished.

Q: Compound A reacts with CrO, in dilute acid to give 2,3-dimethylbutanoic acid. What is compound A…

A: Organic reactions are those in which organic reactant react to form organic products.