Initial Final Electrode A: 10.345 g 10.278 g Electrode B: 14.010 g 14.887 g Current 0.3942 A time 39 min 50 s Use above data to calculate Avogadro's number.

Q: Question 2 At 25 Ca solution has a hydroxide-ion concentration of 7.47 x 10 M. What is its…

A: You have asked multiple type questions, we will solve only first  questions for you. If you want any…

Q: Write the pressure equilibrium constant expression for this reaction. 2 CO,(g)+4 H,0(g)→2 CH,OH(1)+3…

A: Kp = Equilibrium constant calculated from the partial pressures.

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A: The process in which the m-RNA synthesize the protein molecule is known as translation process.…

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Q: Determine the formal charge on each atom in the structure. :0: Answer Bank +1 -1 +2 -2 +4 P-0: -4 +3…

A: Formal charge is the charge of individual atom in that compound.

Q: Calculate the mass of barium iodate that can disolve in 500 mL of water at 25ºC. Kps(Ba(IO3)2)= 1.57…

A: we need to calculate mass of  barium iodate that can disolve in 500 mL of water

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Q: Current Attempt in Progress Calculate the binding energy per nucleon for the carbon-12 nucleus,…

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Q: J l (NaCIy 0.2 N.u J 250 Na = 23. Cl = 35.5)s Q1 :- prepare a standard solution of a Sodium Chloride…

A: Detail calculation is shown below

Q: Radioactive decay is typically second order.

A: True or false. Why?

Q: Chemistry complete the synthesis mechanism, show each step H,N

A:

Q: 16. Identify the correct expression for Kc for the reaction: H2 (g) + I2 (g) = 2 HI (g) [H2][l2] A)…

A: The equilibrium constant is defined as the ratio of the concentration of the gaseous products to…

Q: CaCO3(s) + 2HCl(aq) --> CO2 (g) + H2O (l) + CaCl2 (aq) What is the molarity of a HCl solution if…

A: The molarity of the solution is defined as the ratio of no of moles of solute to that of volume of…

Q: 22. The conjugate base of CH3COOH is: A) H3O* B) CH3COO" C) OH D) H2O 23. The conjugate acid to NH3…

A: The correct answer about acid Base system is given below

Q: How would you prepare 200.0 mL of 0.25 M NaCl solution from a 2.0 M solution?

A:

Q: 29. A solution of 0.0050 M HF would be expected to have a pH that is: A) lower than a solution of…

A: The pH value shows if the solution is acidic or basic or neutral.  if pH is less than 7, then acidic…

Q: ow many moles of UF6 would have to be decom rbon is available.) i mol UF6

A: The balanced chemical reaction,  3C + 2UF6 ---> 3CF4 + 2U 3 mol CF4 required = 2 mol UF6 2.06 mol…

Q: 39) Complete the multi-step synthesis by showing the product structure of each step. NaNH2 H/Pd CH…

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Q: A. Ketones 0.3 3. Which cannot exist as a pair of cis-trans isomers? A. 2-octene B. 2-butene C.…

A: In this question we have to tell that which alkene can not exist as cis trans isomer.

Q: A sample of gas occupies a volume of 237.5 mL at 763.2 tor and 273.2 K. What volume will the sample…

A: We can calculate  the quantities by using ideal gas equation.

Q: Problems requiring More Work 1. The decomposition of hydrogen peroxide was studied and the data…

A: Answer a) as per the rate law: rate  = -1/2 d [H2O2]/dt answer b) as R^2 value is highest in graph…

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A: IR shows the different functional group present in the compound.  NMR shows different peaks for…

Q: Calculate the half-life of a radioisotope if it decays to 12.5% of its radioactivity in 12 years.

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Q: 5. A diatomic molecule A2 has a reduced mass of 1.5x10-23 g, a bond length of 150 pm, and a bond…

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Q: Which substances in the equation below are classified as Bronsted-Lowry ACIDS: H2S (aq) + H2O0 → H30…

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Q: Consider a 1:1 ligand-receptor binding interaction modeled by X + Y 2 XY, where X is the ligand, and…

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Q: A 0.7785 g sample containing hydrazine (N2H4, rocket fuel) was dissolved and diluted to 250.0 mL in…

A: Answer: This question is based on stoichiometric calculation where we have to convert the moles of…

Q: CH3 CH 3OH H3 C H2 CI Pd/C CH3

A:

Q: A System was found to adopt 4.567X108 comfiguration at a temperakue of 78.42°. the e'ntrepy of this…

A: Given that, a system was found to adopt 4.567×108 configuration at a temperature 78.42°C. So,…

Q: A 0.4755-g sample containing (NH,),C,O, and inert materials was dissolved in water and 3. strongly…

A:

Q: 22. The conjugate base of CH3COOH is: A) H3O* B) CH3COO C) OH D) H2O 23. The conjugate acid to NH3…

A: The correct answer is given below

Q: 20 Write the equilibrium expression for this reaction: HNO, (aq) + H,O(e) H,0*(aq) + NO, (aq)

A: Equilibrium reaction of dissolution of HNO3 In water is as follows HNO3+H2O <===> H3O^+  +…

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Q: Question 9: Predict the product of the following reaction. CI AICI3 A. В. С. D. CI B.

A: In this question we have to tell product of the reaction.

Q: A solution with 5 mg/mL of a colored protein has an absorbance of 0.250. What is the concentration…

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Q: 7. The Ksp of several salts are listed: SRF2 7.9 x 10-1º, MgF2 6.4 x 10-º, PbCl2 1.6 x 10$, PbBr2…

A: Let solubility of each compound is S, which has highest solubility (more S value) = ? All are AB2…

Q: 3. A piece of metal "X" weighing 0.0382 g was placed in a eudiometer containing dilute aqueous HCI.…

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first 3 sub-parts of…

Q: A mixture was prepared in a 500 ml reaction vessel from 367 mL of O2 (measured at 24.7 °C and 670…

A:

Q: For the given molecule, determine the number of T (pi) bonds H. :0: H Н-С—С—С-С—С—С H H H

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Q: A 24.0-liter gas cylinder contains 8.0 moles of nitrogen gas and 2.3 moles of oxygen gas. If the…

A: Given :-  No.of moles of O2 = 2.3 mol  No.of moles of N2 = 8.0 mol   Volume = 24.0 L  Temperature =…

Q: 7) The o-complex formed for the bromination of benzoic acid should be Br. H. .COOH .COOH СООН Br…

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Q: A 48.2 mL sample of gas in a cylinder is warmed from 28°C to 82°C. What is the volume at the final…

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Q: 3.1 6 Give the reaction mechanism (showing curly arrows) for the bromination of methane in the…

A: The three step mechanism is shown in the following step.

Q: How many o and a bonds are in each compound? :C number of o bonds: number of r bonds: number of o…

A: σ bond: σ bonds are formed by end to end overlapping of atomic orbitals. Overlapping occurs along…

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Q: What is the volume of 0.250 mol of H2 at STP?

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Q: A 750-mL sample of hydrogen exerts a pressure of 822 torr at 325 K. What pressure does it exert if…

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Q: What volume would a 0.250 mole sample of H2 gas occupy, if it had a pressure of 1.70 atm, and a…

A: Detail mathematical calculation is shown below

Q: What is the calculated value of the cell potential at 298K for an electrochemical cell with the…

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Q: Q2 :- prepare a standard solution of a potassium Chloride (KCI), 0.3 N in 500 ml of water. (atomic…

A: