Write the condensed (noble-gas) electron configuration of barium.   Write the condensed (noble-gas) electron configuration of Mg²⁺.     Write the condensed (noble-gas) electron configuration of ruthenium.

Q: A freshly isolated sample of "Y was found to have an activity of 7.3 x 10° disintegrations per…

A: Initial activity = 7.3 × 105 dps Final activity = 1.9 × 104 dps Time = 14 day + 1 hour + 15 minutes…

Q: 4. In an experiment, 0.01000 L sample of sulfuric acid solution reacts completely with 0.0159 L of…

A: Molarity of solution is defined as the number of moles of solute dissolved per litre of solution.

Q: (solute, solvent). (solute, solvent, solution) such (boiling point, The most active component of the…

A: We have to tell about the given passage. We know that the colligative property is the property of…

Q: One of the buffers that can be used for running an agarose gel is 1x TBE (tris borate EDTA) buffer.…

A: On dilution concentration changes but no of moles remain same. So, M1V1 = M2V2 M1: Concentration of…

Q: Он HO- H,SO, Но- NO2 OH

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Q: Determine the product of the following reaction: MCPBA RCO,H Ha SOH HaO

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Q: H3CO OCH3 heptanodioato de dimetilo

A: Solution -

Q: A 45 mL sample of (1.60x10^-2) M calcium hydroxide, Ca(OH)2, is added to 55 mL of 0.010 M sodium…

A: Given,  A 45 mL sample of 1.60x10-2 M Ca(OH)2, is added to 55 mL of 0.010 M sodium Na2SO4 ,the value…

Q: Determine the pH change when 0.075 mol HClo, is added to 1.00 L of a buffer solution that is 0.327 M…

A: When HClO4 added in buffer solution then H+ react with F- ion and form HF

Q: Report the reaction order from the Integrated Law method and include the best-fit trendline equation…

A: Given: Time (seconds) CO2 (gas) ln[CO2] 1/[CO2] 0.0000 1.00000E+000 0 1.00000 0.0820…

Q: What is the standard cell potential for the following cell? Will the reaction be spontaneous? 3Cu(s)…

A: Given, 3Cu(s) + 2Fe3+(aq) ↔ 3Cu2+(aq) + 2Fe(s)Cu2+(aq) + 2e- ↔ Cu(s) Eo = 0.340VFe3+(aq) + 3e- ↔…

Q: Which of the following compounds is an oxidizing agent only: a. KNO2; O b. HNO3; O c. NH3; O d. N2

A: Oxidizing agent is substance which can oxidize the other species but reduce itself hence, oxidizing…

Q: do enantiomers always contain H backbone? the --------H this thing

A: Enantiomers are the mirror images which are non superimposable.

Q: Calculate the iron % saturation from the results below: Iron = 120 mg/dL TIBC=410 mg/dL %3D %3D

A: TIBC refers to Total Iron Binding Capacity. Iron % saturation is calculated using the equation Iron…

Q: What is the molar solubility lead(II) bromide when it is added to pure water, if the Ksp (PbBr2) is…

A: Given: The Ksp of PbBr2 = 6.60 × 10-6 We have to calculate the molar solubility lead(II) bromide…

Q: Calculate the Coulombic (ionic) interaction energy between atoms for the C=O ∙∙∙H-N hydrogen bond in…

A:

Q: In a complexometric titration experiment: Determination of Water Hardness, solve for the missing…

A: Each mole of Ca2+ reacts with 1 mol of EDTA. Also, Moles =  Mass / Molar Mass

Q: Complete the following nuclear equation by identifying X. (Enter the complete nuclear equation.) 59…

A: C2759o +H12→C2760o+ X Total number of protons in reactants = 27+1 = 28 Total number of protons in…

Q: Molecule Lewis Structure 3D representation Bond Angles/Shapes Polarity (if yes, show dipole) CHCI3…

A: This question is related to VSEPR theory. Lewis structure is the representation of bonding between…

Q: 2. Using the chemical equation below, determine how many pounds of water will be produced by the…

A: Question-1 2B4H10 + 11O2 ----> 4B2O3 + 10H2O Weight of B4H10 = 2 kg = 2000 gm (1kg= 1000gm)…

Q: Radioactive radon-222, found in many homes, is a potential health hazard. The half-life of radon-222…

A: Radon 222 is a radioactive substance which undergoes radioactive decay Here we are required to find…

Q: A sample of an unknown compound is vaporized at 120. °C. The gas produced has a volume of 1400. mL…

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Q: What is the molar solubility of nickle sulfide, NiS, in (1.50x10^-1) M ammonia, NH3? Ammonia reacts…

A:

Q: Incorrect Question 3 The two blue solutions in Set Il are: O CUNO,), (aq) O Cucl, (aq) BalNO,), (aq)…

A: For question 2, provide details of the Set1 solutions.

Q: From the titration curve below, estimate the "target pH" to synthesize potassium dihydrogen…

A:

Q: create three (3) multiple-choice questions on either Precipitation titration, redox titration, or…

A: A redox titration is a titration process in which the analyte and titrant react through an oxidation…

Q: E°cell

A:

Q: Write the chemical symbols for three different atoms or atomic anions with 10 electrons. 00..

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Q: The solubility of iron(III) hydroxide is 8.96 × 10-4 g in 100 kL of water at 25 C . Determine the…

A: Given :  Solubility of Fe(OH)3 = 8.96 x 10-4 g/100kL

Q: Name the Pollowing :O: (5

A: Given compounds: The names of the compounds have to be determined.

Q: Gaseous methane (CH) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide (CO,)…

A:

Q: **write out your work for this problem on your work upload sheet.* Consider the following…

A: In the  given set of reaction let us study the mechanism and solve the question.

Q: (1) Create a table to compare & contrast brown fat tissue vs white fat tissue. (2) Discuss briefly…

A:

Q: In each pair of isotopes shown, indicate which one you would expect to be radioactive. 20 17 40 45…

A: Radioactivity can be defined as the process in which there is spontaneous emission of radiation in…

Q: Draw and label a strcture of: Cervonic acid 22:6 Δ4,7,10,13,16,19. This is a fatty acid found in…

A: We have to draw structure and label it .

Q: 2每張試題卷得必填寫(學號)、(姓名) The ethyl acetate concentration in an alcoholic solution was determined by…

A: Question 11 is not related with the given problem.

Q: A 50.0 mL HCI is pipetted out from a 1000-mL 0.0250 M stock solution. To this 50.0mL aliquot, a…

A: Given-> Volume of HCl pipette out = 50.0 ml Volume of stock solution = 1000 ml Molarity of stock…

Q: (ve

A: The resistance defines the hindrance to the mobility of the ions in a solution and it can be…

Q: (B) Evaluate the following problems with complete solution: (3 marks each x 1 = 3 marks) 1. A gas…

A: Here initial pressure and temperature of gas are 250 torr and 30°C . In certain chang at constant…

Q: Identify the LUMO in the MO diagram of F, (shown below). A) o (2s orbitals) B) o (2pz orbitals) C)…

A: LUMO is the lowest unoccupied molecular orbital. That means molecular orbital which is empty and…

Q: Use the data to find AHn for the reaction. 2 NO2(g) =2 NO(g) + O2(g) Express your answer in…

A:

Q: Which of the following is INCORRECT? A. HCO3 : Amphoteric B. H20 : Amphoteric C. H2PO4 :…

A: ->Amphoteric species can act as acid and base both i.e. it can loose and accept H+. ->Bronsted…

Q: Given with 0.025 M acetic acid and 0.025 M NaOH How will you prepare a 10 mL 0.02 M acetate buffer…

A: Here we have to prepare a 0.02 M acetate buffer solution of pH= 5.5 of volume 10ml from 0.025M…

Q: Chemistry Calculate the ΔE°' for the following reaction: ascorbate  +   FAD →   dehydroascorbate  +…

A: Here we are required to find the cell potential of the given electrochemical reaction  ascorbate  +…

Q: y amperes a

A:

Q: 2. Calculate AH for the reaction: CH4 (g) + 4 Cl2 (g) CCI4 (g) +4 HCI (g) Use the following…

A: We have to calculate ∆Hrxn for the reaction CH4(g) + 4Cl2(g) → CCl4(g) + 4HCl(g).

Q: 1) 03, -78 °C H. ? 2) CH3SCH3

A: ->Ozonolysis of alkene produces carbony compound. In cinnamaldehyde there is present alkene which…

Q: Determine the number of carbon atoms present and the the total number of phosphate groups present in…

A: We have to tell the number of carbon atoms present and the total number of phosphate groups present…

Q: Determine the mass of nitrogen that can be formed from the reaction of 50.0 g N2O4 and 45.0 g N2H4.…

A:

Q: 4. Given the equation, calculate the standard free energy change. Answer what is being asked. Show…

A: