concentration

Q: Suppose a current of 0.590 A flows through a copper wire for 154. seconds. Calculate how many moles…

A: Given, Current (I) = 0.590 A Time (t) = 154. second Moles of electron transfer through the wire = ?

Q: An aqueous solution has hydronium concentration [H3O+] = 6.2 x 10-3 mol L-1. What is the pH of…

A: Given, [H3O+] = 6.2 x 10-3 mol L-1 pH of the solution = ? Note: pH : it can define as the negative…

Q: What ionic form of nutrient would most likely be easily leached/washed out from the soil? a. Cation…

A: (a) cation.

Q: A certain reaction is second order in N₂ and second order in H₂. Use this information to complete…

A: Reaction is of second order with respect to N2 and second order with respect to H2.

Q: For the reaction A²+ (aq) AB2(s) ⇒ with Kc 5.7 x 10-6 + 2 B (aq) If you start with initial…

A: For a chemical reaction other than equalibrium its equalibrium expression is termed as reaction…

Q: (ar Pol ~ ~ Ru (bpy) 2 Cl2 shows two redox couples at 0.3 V and 1.9 V. versus SCE whereas [Ru (bpy)…

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Q: 1. When 2.12 grams of benzoic acid, HC6H5CO₂ (ag), is dissolved in 1.2 L of water, the pH is found…

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Q: 1. Write the complete ground state electron configuration for each element or ion. a) Mo b) K*

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Q: 2 NH3 + 3 CuO --> 3 Cu + N2 + 3 H2O In the above equation how many moles of N2 can be made when…

A: Given :  Mass of CuO = 179.9 grams  Also , molar mass of CuO = 79.5 gm/mol

Q: many application: hospital a tank of 0.0284-m3 volume is filled with 3.500 kg of liquid O2 that…

A: The number of moles of O2 can be calculated as, number of moles=given massmolar mass…

Q: What pressure in atmospheres is exerted by 82.5 g of CH4 in a 75.0 L container at 35.0 °C? [?] atm…

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Q: 7 Problem 7: A sample of hydrogen gas occupies a volume of 3 L at 2.5 atm and 0°C. The volume…

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Q: The pH of an aqueous solution of 0.569 M quinoline (a weak base with the formula CoH7N) is Submit…

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Q: Given the parent compound, draw the mass spectrum fragment that is observed at m/z 91. Include any…

A: Mass spectrometry measures the mass of the compound and its fragments in the form of a cation. The…

Q: The following aldaric acid can lactonize to form two different products. Which ones? CO2H -H…

A: It is the process of internal reaction to make the ester i. e. A lactone.  Here is the chance  of…

Q: Classify the formulas as amines, amides, or neither. Amines HỌC-NH, RCONH, Amides RCH,NH, ||…

A: Given,  The amines, amides and neither molecules from the list of molecules are:

Q: 60% aqueous acetonitrile is isoelutropic with what percent of aqueous methanol?

A: It can be concluded with experiment for particular stationary phase but for most of the time…

Q: 5. Which of the following statements is not true? A) A molecule that is superimposable on its mirror…

A: The molecules with the same molecular formula but different structures are known as isomers. If the…

Q: S    +   6 HNO3  -->   H2SO4   +  6 NO2   +   2 H2O In the above equation how many moles of water…

A: Given, the balanced equation: S+6HNO3  → H2SO4   +  6 NO2  + 2 H2O We have to find the number of…

Q: OC Ph₂P H Rh 0 -0 -CO

A: Hello dear,   In the given compound total elections are 18. Hence we can say that it's a stable…

Q: 8 Problem 8: The pressure of a gas is reduced from 6.7 atm to 4.45 atm as the volume of its…

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Q: Consider the following equilibrium: NH3(g) + HCl(g) NH4CI(s) Suppose a vessel containing NH4Cl(s),…

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Q: n RPLC, The retention of a basic analyte in RPLC decreases as the mobile phase pH increases. True or…

A: Silica gel and alumina are highly polar so they interact strongly with polar compounds and solvent…

Q: Indicate which atoms in the following compound are chiral centers. CHO H-C-OH H-C-OH d CH₂OH…

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Q: f you consider a water wet ystem, when does the henomena of drainage and mbibition can happen? match…

A: As per Bartleby guidelines, I am allowed to answer one question at  time. Finding them interlinked I…

Q: +X Describe the atomic orbital shown in this picture. +Z A) 2pz B) 2py C) 2px D) 3px E) 3py +y

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Q: R or S configuration to each chiral center indicated via a (*). (+)-Carvone he groups according to…

A: Higher the atomic number, higher will be the priority of the group. If the priority of first…

Q: Primary amine NH–CH3 I H3C-CH-CH3 NH₂ I H3C-CH₂-CH-CH₂-CH-CH3 -H-CH₂- CH3 H3C-N-CH3 I H3C-CH₂-CH-CH3…

A: Given,  The primary, secondary and tertiary amines from the list of compounds are:

Q: 1) 2) 3) 4) 5) 6) 7) 8) 9) 10) 11) ORGANIC CHEMISTRY I PRACTICE EXERCISE Alkene reactions and…

A: 1). Since epoxide is symmetrical, it opens from either side with ethanol and gives the final…

Q: 2 NH3 + 3 CuO → 3 Cu + N₂ + 3 H₂O In the above equation, how many grams of N₂ can be made when 6.1…

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Q: hat is the hydronium ion concentration in an aqueous nitric acid solution that has a pOH of 12.110?…

A: In the given question we have to calculate the hydronium ion concentration in aqueous in nitric acid…

Q: Determine net ionic equations, if any, occuring when aqueous solutions of the following reactants…

A: A net ionic reaction represents the formation of a solid compound or precipitate from the…

Q: Is the following compound chiral? | OH -OH Does this compound have a plane of symmetry? How many…

A: Chiral compounds have a Sp3 hybridised carbon center with all four different chemical environment…

Q: 23) trans-1,2-difluoro-ethene undergoes fluorination. Name final product. 24) 1,4-nonadiene…

A: 23) We have to give the name of the final product of the fluorination of the…

Q: What is the role of copper (II) sulfate pentahydrate and arsenomolybdate reagent in Nelson's…

A: Reducing sugar can be defined as a compound containing aldehyde/ketonic group which can reduce…

Q: N 1 2 because the CO double bond is weaker 2 because the CO double bond is stronger O1 because the…

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Q: two chromatograms after LC separation. Which chromatogram is better to proceed for MS analysis? What…

A: LCMS is Liquid chromatography–mass spectrometry used  for separation, identification and percentage…

Q: Problem Solving. Solve the following problems, use GRESA format in answering. 1. In a 0.1000 M…

A: In the question , Acetic acid which is mono basic acid,realeses one H+ per molecule. If the…

Q: 2 NH3 + 3 CuO → 3 Cu + N₂ + 3 H₂O In the above equation, how many grams of N₂ can be made when 10.9…

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Q: Determine net ionic equations, if any, occuring when aqueous solutions of the following reactants…

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Q: Cu   +   8HNO3  --> 3 Cu(NO3)2    +  2 NO   +  4  H2O In the above equation how many moles of water…

A: Given  Mass of HNO3 = 197.1 g Number of moles of water = ?

Q: Draw the expanded structural formula of the following compounds. 1.) 2-heptanol

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Q: Given the molecular formula and ¹³C NMR data (in ppm), deduce and draw the structure of the unknown…

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Q: Calculate the pH after the addition of 60.0 mL of 0.3 M NaOH to 50.0 mL of 0.20 M LIN O 10.46 11.86…

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Q: Using the Faraday constant 3/5 Suppose a current of 60. A flows through a copper wire for 35.0…

A: Using current and time we need to calculate the moles of electrons

Q: Please help draw the mechanism for each step in the synthesis problems: OH OH PCC 1)C=CH H₂O* or or…

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Q: How many silicon atoms are present in the following compound? (Please answer using whole numbers.)…

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Q: 10 Challenge, Problem 10: A certain sample of H₂ gas (n = 3.2 mol) at a pressure of 4.98 atm, a…

A: Ideal gas equation: The temperature, pressure, volume, and mole of the gas are related by the ideal…

Q: Given the compound in the figure, determine its results in  Baeyer's Test Friedel-Crafts Alkylation…

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Q: PLease name the IUPAC for the compound

A: Rules for IUPAC naming of amines: Name and Identify the longest chain of carbon bonded to the…