Highest electronegativity Largest atomic radius Highest first ionization energy Element that requires the most energy to remove an electron Element that pulls on electrons strongest in a chemical bond Element with the largest electron cloud F :: Fr :: He

Q: 21) Vanadium has two naturally occurring isotopes, 50V with an atomic mass of 49.9472 amu and 51v…

A:

Q: What the names of the these compounds and which one is a stronger acid CH3OCH2CH2CH2OH or…

A: The naming of an organic compound can be done with help of rules of international union of pure and…

Q: The maximum acceptable concentration of Pb (atomic mass = 207.2) in drinking water is 0.010 ppm. If…

A: Atomic mass of pb = 207.2 g/mol Concentration= 55nm =55 × 10-9 M

Q: Aniline is best described as... 1) a benzene ring with a methyl group attached 2) a benzene ring…

A:

Q: student obtained 2.111 g of a mixture containing four components. After performing separation by…

A:

Q: 1. A species that is magnetic will have ____________ electrons. 2. When two sets of two p orbitals…

A: We have to fill the missing blanks in the given two statements

Q: 1.3 Draw a Lewis structure for each of the following compounds: (a) C₂H6 (b) C₂H4 (c) C₂H₂ (d) C3H8…

A:

Q: 7. Problem 3.1 Give IUPAC names for the following compounds: (c) CH3 CH3CH=CHCHCH=CHCHCH3 CH3 (d)…

A:

Q: The magnitude of the charge on an electron was determined in the: A. Cathode ray tube, by J. J.…

A: Millikan oil drop experiment.  Millikan successfully discover the charge on oil droplet and minimum…

Q: Write the balanced net ionic equations to describe the oxidation of Mn2+ to MnO4- by ammonium…

A: We have to write balanced net ionic equations to describe the oxidation of Mn2+ to MnO4- by ammonium…

Q: 1 H- Br 2. Et ok C=C1600 C-H 7. 03 2900-3000 cm! C=0 1100 cm ΟΥ̓ 12 1655cm

A:

Q: The loss of electrons results in the formation of Negative ions Negative nonmetals Positive…

A:

Q: 8. Why are two trials performed to determine an accurate melting point of a compound?

A: Since you have asked multiple questions and not specified which one to answer, we will solve first…

Q: Upload a drawing: Now draw a molecular-level picture of the helium atoms to illustrate the process…

A:

Q: Discuss the changes in the potential and kinetic energy of a ski jumper taking the elevator to the…

A: Answer: This question is based on the energy conservation where total mechanical energy of the…

Q: Q7: Calculate the mean activity coefficient as predicted by the Debye-Huckel Limiting Law (DHLL) for…

A: Question 7: Molarity of NaCl = 0.40 M Temperature = 298 K

Q: make this carbon 1 HO ОН OH ОН glucose and this carbon 2 2

A: When substituent groups remain in equatorial position then these groups feel no syn-diaxial…

Q: For the following reaction, draw the Lewis Dot structure for each reactant and product including any…

A:

Q: 3. What tests can be performed to determine if an emulsion is w/o or o/w? a. fluorescence test b.…

A: A dye test is performed to determine the type of emulsion.

Q: acid) you will use?

A: Carbocation is species which carries positive charge on carbon. In carbocation, carbon is sp2…

Q: Define the Oxidation-reduction recation and give example

A: Oxidation :- Addition of oxygen or removal of Hydrocarbon or Loss of electron in the substance is…

Q: 175ml of 1X SDS buffer. You are provided with 500ml of 6X SDS buffer. How much water and how much of…

A: To calculate the volume of 6X SDS needed , we would use dilution law.  Then amount of water would be…

Q: Use the References to access important values if needed for this question. The wavelength of a…

A:

Q: 4.1 A sample of atactic poly(vinyl alcohol) is known to have 60 wt% crystalline regions and 40 wt%…

A:

Q: (2). For the buffer system in Problem no. 1, what will be the pH when (a) 15.0 ml of 0.500 M HCI and…

A: 2 50.0 mL of 2.00 M carbonic acid is mixed with 20.0 mL of 3.00 M sodium bicarbonate . The Ka of…

Q: a solution is prepared by dissolving 49.3 g of KBr in enough water to form 473 mL of solution.…

A:

Q: What should be included in your experiment and observations for this experiment? Select all that…

A: Points we should include in our experiment and observation according to me - A summary of final…

Q: What is a mixture? What do you see in the images below that led to your claim? What is it about the…

A: Way of approach to solve the given question: Know about atoms, molecules and mixtures. It helps to…

Q: With the given data, calculate the enthalpy of hydration for both lithium chloride (LiCl) and sodium…

A:

Q: i. Provide a detailed, stepwise, and balanced mechanism that accounts for the observed product and…

A: As per the rules, only the first question can be answered. Please resubmit the question for the…

Q: Calculate the number of magnesium atoms in a 90.0g sample of forsterite(Mg2SiO4)

A: Here we are required to find the number of magnesium atoms in 90 g sample of Mg2SiO4.

Q: Write the IUPAC or systematic name of these compounds.

A: Rule of IUPAC-1) Longest chain as parent chain.2) Numbering start from those side where more prior…

Q: What is the heaviest element out of Al,Ar,B,Be,C,Ca,CL,F,H,He,K,Li,Mg,Mn,N,Na,Ne,O,P,S,Sc,Si,Ti and…

A: The heaviest element is the one which has maximum atomic weight. Here we have to find out the…

Q: Two separate bulbs contain ideal gases A and B, respectively. The density of gas A is twice that of…

A: From the ideal gas laws, We know relationship between pressure, density and molar mass PM = dRT…

Q: с -CN о Nан, ? Na BHz CN -NH₂ я HN0₂ не сисм 9 •

A:

Q: Which functional group is represented in this IR spectrum? 0.8 0.6 0.4 0.2H 0.0 C₂H₂O₂ 3000 2000…

A:

Q: what are the names of the these compounds and which one is a stronger acid CH3OCH2CH2OH or…

A:

Q: itors Consecutive

A: The question is related to the primary salt effect. According to this effect, rate of reaction…

Q: Ethylene glycol is made from O Adding hydrogen peroxide to ethylene Oethylene oxide O Add water to…

A: Hydrolysis of ethylene oxide leads to produce ethylene glycol. When acetaldehyde is oxidized under…

Q: Set up but do not solve this problem. Draw the shape, label the changing picture with variables and…

A:

Q: For the following reaction, draw the Lewis Dot structure for each reactant and product including any…

A:

Q: Compound Description A B C Mass of Hydrogen Mass of Oxygen clear, colorless, odorless liquid 0.105 g…

A: To fill the blanks , first we would determine the chemical formula of the given compounds of…

Q: Some of the figures represent invalid sets of resonance structures for this molecule.  Select all…

A: Resonance structures are a group of two or more Lewis structures that collectively represent a…

Q: Air is approximately 80% nitrogen and 20% oxygen (on a mole basis). Six grams of H₂ (2.01588 amu)…

A:

Q: Consider the following mechanism for the enzyme- catalyzed reaction: E + SES ES 2 E + P (fast…

A: Given, E + S ⇄k-1k1 ES         {fast equilibrium }ES→k2 E+P            {slow}

Q: Q15: Which of the following plots represents only base catalyzed reaction? a) Plot A b) Plot B c)…

A: 15. The given plot represents a graph between the logarithm of the rate constant of the reaction and…

Q: Determine the molarity of a solution made by dissolving 13.8g of Sr(OH)2 in enough water to have a…

A:

Q: 4. In case of an process, the temperature of the system increases b. adiabatic compression c.…

A: An adiabatic process is defined as the process in which no heat transfer takes place.

Q: At the beginning of the titration your burette reading was 2.75 mL and at the end of the titration…

A: Given: The initial burette reading = 2.75 mL The final burette reading = 28.27 mL We have to find…

Q: 3. Determine whether the following substituted cycloalkanes are cis or trans isomers and write the…

A: