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Q: The EPA limit for manganese in drinking water is 0.05 mg per L of solution. What is this concentrati...

A: Given  Concentration in ppm = 0.05 mg/ Liter  mass %  = ? ppb = ? molarity = ?

Q: Consider the reaction of 75.0 mL of 0.350 M C5H5N (Kb = 1.7 x 10-) with 100.0 mL of 0.435 M HCI. Wit...

A: 75.0 mL of 0.350 M C5H5N is reacted with 100.0 mL of 0.435 M HCl.  On reaction 0.0172 mol of H+ is e...

Q: Chemistry Question

A: Electronic configuration denotes the distribution of electrons in the subshell of an atom. Electrons...

Q: Give answer all questions with complete solution

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

Q: Consider the table. Metal Tm (K) ΔHfus (kJ/mol) Tb (K) ΔHvap (kJ/mol) LiLi 454 2.99 1615 134.7 ...

A: Given data table represents the melting points, latent heat of fusion , boiling point and latent hea...

Q: A gas contained in a steel tank has a pressure of 2.3 atm at a temperature of 367K. What will be the...

A: Given : Initial pressure of gas = 2.3 atm. Initial temperature of gas = 367 K And final temperature ...

Q: What is answer #10

A: A state corresponding to maximum potential energy is known as transition state.

Q: A 4.78 g sample of a compound with the formula CyH,Oz is combusted and yields 11.9 g CO2 and 5.86 g ...

A: Empirical formula of a compound is the formula which is represented by the ratio of minimum number o...

Q: Which is more polarizable, Ar or Kr? Why? Include a definition of polarizability.

A:

Q: A reaction between liquid reactants takes place at -2.0 sealed, evVacuated vessel with a measured vo...

A: To get pressure of N2O we will use ideal gas equation.

Q: using the enzyme phosphoglucomutase, which is the main entry point in muscle tissue. phosphoglucomut...

A: The questions are based on the concept of equilibrium and glycolysis cycle. we are to determine equi...

Q: H2A(aq) + BOR (a B2A(aq) + H2O(1) Assume that you have 0.4 grams of BOH (MW 40 g/mol) and excess H2A...

A: First we wil calculate heat then q= mC∆T    

Q: Importance or use of hexaamminecobalt(III) chloride.

A: Hexaamminecobalt(III) chloride has the formula [Co(NH3)6]Cl3 It is prepared by recrystallization pro...

Q: Upon burning 250g of pure oxygen gas, calculate the mass of water created.

A: Given :- mass of oxygen = 250 g  To calculate :- mass of water created    Molar mass of O2 = 32.0 g/...

Q: A critical reaction in the production of energy to do work or drive chemical reactions in biological...

A: ∆Grxn = - 50.1 kJ/mol  

Q: A mixture of NaBrO3,NaBrO3, NaHCO3,NaHCO3, Na2CO3,Na2CO3, and NaBrNaBr was heated, producing H2O,H2O...

A: The given three reactions are, 2NaBrO3→2NaBr(s)+3O2(g) 2NaHCO3(s)→Na2Os+H2Og+2CO2g Na2CO3s→Na2Os+CO2...

Q: How much water would you ADD to 175 mL of 6.00 M hydrochloric acid to prepare a 2.00 M solution of t...

A: formula of dilution :- M1V1 = M2V2 

Q: number 2, Suppose you want to produce 2.00 L of CO2 at STP using the reaction in #1. What mass of so...

A: number of moles = mass/molar mass  mass = moles × molar mass    at STP ;  1 mol gas = 22.4 L

Q: Calculate the pH of a solution that is 0.60M HF and 1.00M of KF

A: Given :-  Concentration of HF = 0.60 M  Concentration of KF = 1.00 M  To calculate :-  pH of solutio...

Q: 4. Achemist burns Al in excess air to produce aluminumoxide, Al,O,. She produces aluminumoxide. 4 Al...

A: Given  mass of Aluminum = 160 gram      mass of Al2O3  = ?   limiting reactant = ?                  ...

Q: Explain how the intensive properties of a material are reflected in the unit cell. Are all the prope...

A: An intensive property is a bulk property, meaning that it is a local property of a system that does ...

Q: Determine the amount of excess reagent (in grams) left over after 0.3893 g C6H6 reacts with O.3914 g...

A: The substrate which is not fully consumed in the reaction,is called excess reagent. And the substrat...

Q: Explain what are electron clouds and how do they differ from our traditional picture of an electron....

A: The various atomic models put forward are : Rutherford's atomic model Plum pudding model by J.J Tho...

Q: What type of electrolyte is this solute? C2H3O2H(l)          H+(aq)  +  C2H3O2-(aq)   strong electro...

A: According to the degree of dissociation, the electrolytes are divided into the following catogeries.

Q: 52. Determine the formal charge of each element in the following: (a) H3O* H [Select] O [Select] (b)...

A: a) The ion given is H3O+.  

Q: Describe the process (Step by Step) of the fractional distillation of 4-t-butylcyclohexanol and 4-t-...

A: Fractional distillation is the separation of a mixture into its component parts, or fractions. Chemi...

Q: Express your answer in condensed form in order of increasing orbital energy as a string without blan...

A: Electronic configuration denotes the total number of electrons which is distributed in the subshell ...

Q: How many moles of ions are in a solution of 7.4 moles of FeCl3 in approximatley 500 mL of water?

A: Moles of ions in solution 

Q: Question 10 of 10 Organic Chemistry Loudon | Parise SEVENTH EDITION presented by Macmillan Learming ...

A: Find details solution below

Q: Please list the appropriate peaks in the H-NMR spectra results with a short narrative. Thank you.

A:

Q: When 35 mL of 0.20 M acetic acid and 35 mL of 0.10 M calcium hydroxide are combined, the pH of the r...

A: Given : Concentration of acetic acid i.e CH3COOH = 0.20 M Concentration of calcium hydroxide i.e Ca(...

Q: Describe the bonding between C1 and C2; C2 and H; C2 and C3; C3 and H; C3 and C4. You should be tell...

A: Bonding between C1 and C2 C1 and C2 has an sp2 hybrid orbital and bond type is sigma.  Bonding betwe...

Q: Calculate the volume occupied by 0.659 mol of oxygen gas at a pressure of 1.49 atm and a temperature...

A: Given : Pressure = 1.49 atm Temperature = 319 K And moles of oxygen gas = 0.659 mol.  

Q: The wavelength of a photon that has an energy of 6.33 × 10-18 J is ________ m.   Where: E = hνν h(Pl...

A: Energy of a particle is inversely proportional to its wavelength.  Relationship between these the is...

Q: When 12.0 ml. of a 5.48x10 M sodium sulfide solution is combined with 18.0 mL of a 2.60×10 M zine fl...

A: Millimoles of Na2S = M x V = 5.48 x 10-4 x 12.0 = 6.576 x 10-3 mmol Millimoles of ZnF2 = m x V = 2.6...

Q: Determine their relative pH at the equivalence point.

A: Note: Since you have posted multiple independent questions in the same request, we will solve the fi...

Q: Can someone please help with question with question 8

A:

Q: Balance the equations

A: The question is about balancing the given Chemical Equation -

Q: Chemistry Question

A: SOLUTION 1. Here HCl is titrated with NaOH. Balanced Reaction HCl + NaOH ---> NaCl + H2 O Here HC...

Q: What is the solubility of SrSO4 (in g/L) in 0.23 M sodium sulfate? (Ksp for SrSO4 is 2.5 x 10-5)

A:

Q: Help

A: We have to find the equilibrium concentration of HCL

Q: Assume the equivalent weight of an acid is 51.0.51.0. Calculate the number of mL of 0.233 M0.233 M N...

A: The question is based on the concept of quantitative estimation . It involves  titration of unknown ...

Q: A _____________ passes through a semipermeable membrane.

A: Semipermeable membrane is the membrane which has very small pores. It is used for osmosis and revers...

Q: A solution of potassium hydroxide KOH was prepared by dissolving 1g of it in 100ml of distilled wate...

A: 1) molar focus of KOH = ? Molar mass of KOH                     = 56.1056g Given Mass of KOH        ...

Q: Heating a 15.6 g iron bar changes the temperature by 38.6 degrees celsius. Find the q.

A: Enthalpy change (∆H) is defined as heat change (qp ) at constant pressure. It is proportional to mas...

Q: Question: A primitive unit cell has a = 5.00 Å, b= 6.00 Å, c = 7.00 Å; and α = β = γ = 90 o. A new u...

A: Volume of original unit cell = l×b×h = 5×6×7=                                                       ...

Q: Write the structural formula for the product(s) of the following reactions   N-ethyl propanamide + H...

A:

Q: Everything is in the photo

A: The question is based on the concept of organic reactions. We have been given product. We have to id...

Q: A 3.0 L container of neon gas has a pressure of 1.0 atm. What will the pressure be if the volume is ...

A: Given : Initial volume of neon = 3.0 L Initial pressure of neon gas = 1.0 atm And final volume of ne...

Q: Write and balance the molecular equation when aqueous solutions of K2S and Os(SO4)2 are mixed.

A: The reactants given are K2S and Os(SO4)2.