A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar System. Mass-spectroscopic analysis produced the following data on the isotopes of molybdenum in these samples: isotope 97 Mo mass relative (amu) abundance 96.9 98.6% 92 "Mo 91.9 1.4% Use these measurements to complete the entry for molybdenum in the Periodic Table that would be used on 98765 ALEKS. Round your entry for the atomic

Q: 6. Over the year, the thermite reaction has been used for welding railroad rails, in incendiary…

A:

Q: Identify (encircle and label) the functional groups present in the compound below: НО. -0 3 -OH

A: The given molecules contains several olefinic bonds along with carboxylic acid derivatives. The…

Q: Which plot indicates that the reaction is first order? Он VIA In [A] Od (4) d) ЩА (sec) Ки о Ко

A:

Q: Determine if the following linear chain molecules are enantiomers, diastereomers, meso, the same…

A:

Q: How many orbitals (m) are in the n-5 energy level that are of the designation m =+1?

A:

Q: 51. Express each of the following as a ratio strength: (a) 0.125% (b) 2.5% (c) 0.80% (d) 0.6% (e)…

A: The ratio strength is the ratio of amount of the solution to that of the amount of solution. Ratio…

Q: Give the polarity, melting point, boiling point, solubility, and state at room temperature of the…

A: A molecule is polar when it is unsymmetric and has nonpolar bonds.  The polarity of polar molecules…

Q: A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into…

A:

Q: Chlorine and bromine react in the dark with alkenes. The reaction shown below affords a single major…

A:

Q: of noitsupe 1epimeds pimeda erit sompied (s00) obixoib nodiss g 02.0 soubor Due after Laboratory…

A: We have to write the ionic and net ionic equation of zinc and copper(II) sulphate

Q: The ideal gas law PV = nRT relates pressure P. volume V temperature T. and number of moles of a gas,…

A:

Q: 3. Based on the following solubility observations, which is the best solvent to recrystallize the…

A:

Q: eight-carbon polyene (CH2=CH-CH=CH-CH=CH-CH=CH2) can be modeled mensional particle in a box of…

A:

Q: Rank the following solutions according to their acidity: Solution 1 pH = 11 H3O+] = 105 M Solution 3…

A: Acidity is a measure of the concentration of the hydronium ion in the solution. Higher the…

Q: What is the pressure in a 28.0-L-cylinder filled with 38.5g of oxygen gas at a temperature of 343 K?…

A: we have to calculate the pressure of oxygen gas

Q: Which bond, below, is most polar? O OF O O NF O OH CO CF O HF CH

A:

Q: name the alkenes

A: According to IUPAC nomenclature:  Select the longest continuous chain of carbon atom containing…

Q: 1. Arrange the following substances in order of increasing mass percent of carbon. a. Caffeine,…

A:

Q: 1. Solve the following queries related to gravimetric analysis. Make sure to show full and complete…

A: We need to find the percentage of water using the given data. Volume of water collected =3.45 mL and…

Q: 4.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: To calculate the molecular formula of compound we need moles of all atoms, carbon, hydrogen and…

Q: Question 15 Which one of these would give a positive Tollens (silver mirror) test? & A OA OD OC O C…

A:

Q: Give the polarity, melting point, boiling point, solubility, and state at room temperature of the…

A: PhosphatidyIcholine(28:0):- It is defined as 1,2-diacyl-sn-glycero-3-phosphocholine in which the…

Q: Calculate either [H3O+][H3⁢O+] or [OH−][OH−] for each of the solutions at 25 °C.25 °C. Solution A:…

A:

Q: 3D2: Recognize and inter Tour shift (8) in the determination of organic structure. (a) Complete the…

A:

Q: Calculate the number of moles of CrCl3 that could be produced from 50.0 g Cr2O3 according to the…

A: Given data  The balanced chemical equation is  Cr2O3 (s) + 3CCl4 (l) −−−→ 2CrCl3 (s) + 3COCL2 (aq)…

Q: An aqueous solution has a hydrogen ion concentration of 1.0 x 10-8 M. What is the hydroxide ion…

A: If pH of solution is greater than seven than solution will be basic in nature

Q: Write the mass-balance and charge balance equations for saturated Ag2C204 and saturated PbCl2₂.

A: We know in a balanced chemical equation there is conservation of mass, conservation of charge and…

Q: Rank the following solutions according to their acidity: Solution 1 pH = 12 [H3O+] = 10-8 M Solution…

A:

Q: Which of the following terms best describes the pair of compounds shown: enantiomers, diastereomers,…

A:

Q: Fe (s) + 2 Ag+ (aq) ⇋ Fe2+(aq+) + 2 Ag(s) K = 0.98546 Hg2Cl2 (s) + 2 NaBr (aq) ⇋ 2 NaCl (aq) +…

A: Given reactions: Fe (s) + 2 Ag+ (aq) ⇋ Fe2+(aq+) + 2 Ag(s) K = 0.98546 Hg2Cl2 (s) + 2 NaBr (aq) ⇋ 2…

Q: The pOH of an acidic solution is 8.71. What is pH?

A: Given -> pOH = 8.71

Q: light used in gas chromatography- mass spectrometry? If so, how is it used?

A: Yes light can be used in GC-MS. The explanation is as follows:

Q: Shown below is the reaction of an alkene with an electrophile. For the mechanism step below, draw…

A:

Q: Draw the major monoalkylation product(s) you would expect to obtain from reaction of…

A:

Q: Macmillan Learning Predict the organic product of the following reaction. CH3 H O Search -H J + Н'…

A: Here we are required to predict the product of the reaction

Q: Complete the balanced neutralization equation for the reaction below. Be sure to include the proper…

A:

Q: The common name of this compound is: H₂C- CHS

A:

Q: Explain your understanding: Use your own words and captured images from the simulation to show you…

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

Q: boyle's law relate?  A. pressure, Volume, Temperatre and Mass  b. Pressure and Volime  C. volume…

A: We have to find out measurable properties which relate to Boyle's law. Boyle's law for gas.

Q: The pH of 300 mL solution made of 0.95 M acetic acid and 0.91 M potassium acetate is (K₂ = 1.8 x…

A:

Q: etermine [H3O+] and [OH] concentrations (in M to two decimal places) for each: (a) Pure water at 10…

A: pH of a solution is defined as negative logarithmic of concentration of hydrogen ions

Q: Which of these would be suitable to treat with Mg to make a Grignard reagent? A Br none of them OC…

A:

Q: The ideal gas law (PV=nRT) describes the relationship among pressure P. volume V, temperature T, and…

A: Temperature and pressure are linearly related, and if the temperature is on the kelvin scale, then P…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 418.0 mg sample…

A: Given, mass of sample of C2H2Cl2 = 418.0 mg = 0.418 g Initial temperature (Ti) = -5.8°C = (-5.8 +…

Q: Draw a resonance structure that places a pi bond in a different position. Include all lone pairs in…

A: Resonance structure: If the Lewis structure of a molecule or ion cannot explain by a single…

Q: Predice el (los) producto (s) principal (es) para la reacción a continuación: HBr

A: first reaction goes through carbocation intermediate. Here benzylic carbocation produced which is…

Q: Calculate the hydroxide ion concentration, [OH−][OH−], for a solution with a pH of 9.59

A: We know that pH = – log[H+] pOH = – log[OH–] [OH–] = 10–pOH    Given that pH = 9.59

Q: 3. Natural Rubidium has the average mass of 85.4678 and is composed of isotopes 85Rubidium (mass=…

A: #Q.3: Given the average mass of Rubidium(Rb), M = 85.4678  Molar mass of the 1st isotope,…

Q: Q1. How much caffeine is required to make a 5 mL 10 mM stock solution?

A: Given : volume = 5 mL                Molarity = 10 mM

Q: O CHEMICAL REACTIONS Percent yield of chemical reactions 0 % pcnaFUOR C 17 ♡ 0 Liquid octane…

A: