What is the weight of lead nitrate Pb(NO3)2 (molecular weight = 331 g/mol) that %3D must be dissolved in a liter of solution to prepare 100 parts per million of lead (atomic weight 207)?

Q: The following results of alkalinity determination for 100 ml sample titrated with 0.02N H,SO. (Answe...

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Q: Which of the reaction mechanisms is consistent with the energy diagram? fast 2 A → B fast B » C slow...

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Q: A 5.0 g sample of NH4CH3COO . xH2O is dried yielding 2.58 g of anhydrous salt.   Determine the form...

A: Given: The mass of the hydrate (NH4CH3COO . xH2O) = 5.0 g The mass of the anhydrous salt after heati...

Q: MISTRY 2400 EXPERIMENT 7: BROMINATION OF CINNAMIC ACID WINTER 2022 For the trans isomer of cinnamic ...

A: Kindly request please upload each question separately. If u like the answer then please do upvote th...

Q: 10.3

A: The orientation of given compound is cis-2-butene

Q: Based on the given diagram The green broken line defines the pahse diagrma of solution Shows the in...

A: The phase diagram of the solution indicates the freezing, boiling and sublimation curves for the pur...

Q: A nuclcon is scattered elastically from a heavy nucleus. The effect of the heavy nucleus can be repr...

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

A: Order of reaction is 2 rate = k(A)2

Q: Carbon disulfide and oxygen react to form carbon dioxide and sulfur dioxide, like this: cs,(g)+30,(g...

A: The reaction position  is determined  by Le chataliers principle which states that equilbrium will n...

Q: Consider this compound: 2 H. He L00794 4.00280 NH2 10 C F Ne 12.011 14.0067 15.9994| 18.998403 20.17...

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Q: A 14.5-L scuba diving tank contains a helium-oxygen (heliox) mixture made up of 24.5 g of He and 4.4...

A: Given,  A 14.5-L scuba diving tank contains a helium-oxygen ( heliox ) mixture made up of 24.5 g of ...

Q: Procedure: 1. Prepare 50 mL of a 0.100 M solution of LiCl, 2. Using this stock solution, prepare a s...

A: We are authorised to solve only one question at a time. Please post rest of the questions separately...

Q: 14 The equilibrium reaction of 2 moles of SOe) plus 1 mole of Oze) produces 1 mole of SO3(g)- What i...

A: Equilibrium constant (Keq) is the ratio of product concentration raise to the power stoichiometry to...

Q: Propose an efficient synthesis for the following transformation: The transformation above can be per...

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Q: Which ether cannot be synthesized through Williamson synthesis? * OCH2CH2CH3 All can be prepared .. ...

A: We need to determine which of the given ether can not be prepared by Williamson Synthesis. 

Q: Calculate the volume in liters of a 18.0 g/dL barium chloride solution that contains 388. g of bariu...

A: The volume can be calculated as follows

Q: Establish the following value of KD. KD = 0.56 A. The concentration is higher in the Aqueaous layer ...

A: KD =( solubility of solute in organic layer) / (solubility of solute in aqueous layer)  

Q: A 1.00 liter solution contains 0.60 M ammonia and 0.46 M ammonium iodide. If 0.23 moles of nitric a...

A: A buffer solution is formed by the mixing of weak acid with its conjugate base or weak base with its...

Q: Which is referred to by the given statement ?                                                  ref...

A: Partition coefficient is defined as ratio of un-ionized species while distribution coefficient is de...

Q: of the following may cause an increase in the calculated percent recovery of the recrystallized benz...

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Q: Give 2 identity test for Synthesis of methyl orange and provide the following: regeants used: mech...

A: The solution of the question is given below:

Q: Convert 469 mm Hg to atm. • Your answer should be in units of atm. Do not include the units on your ...

A: mm Hg and atm are unit of Pressure. Relationship between mm Hg and atm, 1 atm = 760 mm Hg Or, 1 mm ...

Q: Describe the temperature-composition diagram. What did you observe with the temperature of the vapor...

A: Type of chart used to show conditions at which thermodynamically distinct phases occur and coexist a...

Q: Carbon monoxide gas reacts with hydrogen gas to form methanol via the following reaction: CO(g)+2H2...

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Q: D E H2(g), Pd/C 1 eq. HCl 2 eq. HCI H2SO4, H9SO4, H2d 1) 9-BBN 2) H2O NAOH(aq)

A:   Terminal alkyne proton acts as acidic proton, in presence  of base proton abstracted to give acet...

Q: A gas is held at constant moles and temperature in a system where the initial pressure = 22.5 atm wi...

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Q: Lewis dot diagrams. Look at the dots around each symbol and the energy levels in your chart. What re...

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Q: Use this diagram to complete the table below. What is the energy of the electron in the ground state...

A: This energy diagram shows the allowed energy levels of an electron in a certain atom. (Note: the SI ...

Q: Explain factors influencing the trends in the first ionisation energy and atomic radius, Across a Pe...

A: Explain factors influencing the trends in the first ionisation energy and atomic radius, Across a Pe...

Q: Suppose a popular FM radio station broadcasts radio waves with a frequency of 89. MHz. Calculate the...

A: Frequency and wavelength is related by the relation v=f×λ v is the velocity of the wave measure usin...

Q: A scientist measures the standard enthalpy change for the following reaction to be -572.6 kJ: H2CO(...

A: Given data :- H2CO(g) + O2(g)   →     CO2(g) + H2O(l) Standard enthalpy change for the above reactio...

Q: Calculate the heat (in kJ) associated with 246 g of white phosphorus burning in air according to the...

A: Answer: This is the combustion reaction of phosphorus and it is an exothermic reaction.

Q: CH3 CH3 H-C CH CH3 H3C This compound has how many chiral carbons? 3.

A: Chiral carbon is also called as asymmetric carbon atom. In which all the atom or group attached to t...

Q: Choose the best description for the selectivity/specificity of the transformation shown below: HO, b...

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Q: One liter of 0.1M phosphate buffer with pH 2.0 was prepared using 3M H3PO4 and salt NaH2PO4 (FW=142 ...

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Q: Select two trials that can be used to determine the reaction order with respect to A. [A], mol/L [B]...

A: Rate = k [A]order A [B] order B  To determine orderA divide rate1 by rate2 since [B] is constant dur...

Q: 1) Na + O2 Na20 HOSM 2) K + C2 → KCI -> 3) Αl + Br2 → AlBr3 ** hint: get rid of odd # of bromine ato...

A: Balance the given chemical equation:

Q: A high-level molecular electronic structure calculation predicts oxygen valence molecular orbitals w...

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Q: What is the pressure in a 30.0-L cylinder filled with 35.9 g of oxygen gas at a temperature of 350 K...

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Q: For the reaction: Pb(NO3)2 (aq) + 2 Nal (aq)→ Pbl2 (s) + 2 NANO; (aq) a. How many grams of Pbl, will...

A: Pb(NO3)2(aq) + 2NaI (aq)----> PbI2(s) + 2NaNO3(aq)  

Q: Phase Diagram for Solution Critical Point 217.75 (Critical pressure) Normal freezing point 1.00 New ...

A: Phase diagram is a graphical representation which shows the variation of physical states of a matter...

Q: sample of gas has a mass of 38.9 mg. Its volume is 226 mL at a temperature of 57 ∘C and a pressure o...

A: Assuming the gas to be an ideal gas, ideal gas equation will be used to calculate the molar mass of ...

Q: Calculate the volume of a gas in a system when 22.0 g of O2 (Molar mass = 32 g/mol) at a pressure of...

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Q: What is the H+ concentration in a solution that is (3.80x10^-2) M in Ca(OH)2? Express your answer to...

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Q: 3. If the compound shown is subjected to reaction conditions that will hydrolyze amides one of two p...

A: Solution of the question is given below:

Q: A solution contains 6.1 g/liter of benzoic acid. Calculate the pH. a. None of these O b. 1 С. 4 d. 2...

A: Here we have to determine the pH of aqueous solution containing 6.1 g/Liter of benzoic acid . Data K...

Q: (a) Calculate the energy difference between the two spin states of 'H and of 13C in a magnetic field...

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Q: The test of completeness in the chemical changes experiment determines whether the NH3 is in excess....

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Q: Use the following five equations to answer the following questions: i. H2O(s)⟶H2O(l) ii. MnCl2(a...

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Q: When writing a complete atomic symbol, there are four numbers used – in the upper-left, upper-right,...

A: In this question, we have to answer that When writing a complete atomic symbol, there are four numbe...