What are the similarities and differences between the lanthanides and the main groups?

Q: What is the IUPAC name of the illustrated molecule? HO Br O2-bromo-5-hydroxypent-3-ene…

A: We can write the IUPAC name of the compound according to the given rule... 1. First we identify the…

Q: Given the reaction: Hg2+  + Cd   ⇔  Cd2+  + Hg

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Q: In titration of 100 ml 0.3 Mn2+ with 0.7 M EDTA (pH = 7), when 50 ml EDTA is added what is pMn²+? a.…

A: Given in following question titration of 100ml 0.3 Mn+2 with 0.7 MEDTA pH=7 when 50 ml EDTA is added…

Q: Give the major organic product for the reaction. H₂O A -Br Br

A: As H2O is a polar protic solvent, it will follow SN1 reaction and moreover the positive charge…

Q: Given that the vapor pressure of water is 17.54 Torr at 20 °C, calculate the vapor-pressure…

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Q: What is the energy released (or gained signified by the minus sign) value of the reaction 4 2He + 14…

A: ✓Mass defect is the difference between the predicted mass and the actual mass of an atom's nucleus.…

Q: sample of carbon monoxide gas was collected in a 2.0 L flask by displacing water at 28 °C and 810…

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Q: Use the following to answer the questions below: In each of the following multiple-choice questions,…

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Q: .Acetylene molecule C2H2 is - 20 A -Polar O B - Not polar O Cycloalkanes are alkanes that - 21 .have…

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Q: which of the Metal will most likely undergo reduction the fastest, based on the SRP table?  write…

A: ✓Standard reduction potential measures the tendency for a given chemical species to be reduced.

Q: [PtCl4]2- has Kf =1.1 x 1016. Calculate Eored of [PtCl4]2- to Pt at 298 K? Note: Eored of Pt2+ to…

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Q: Given that the vapor pressure of water is 17.54 Torr at 20 ∘C, calculate the vapor‑pressure…

A: Given,Vapor pressure of water = 17.54 Torr at 20 °CConcentration of sucrose solution = 2.30…

Q: The unit measuring of specific - 35 .heat is A - J/Kg. O B - Kcal. O C- °C. O Branching the melting…

A: Specific heat, the quantity of heat required to raise the temperature of one gram of a substance by…

Q: 1. What is/are the applications of the following adsorption isotherm models and their limitations?…

A: The two types of adsorption are physical adsorption or physi-sorption (van der Waals adsorption) and…

Q: I have to have the correct number of significant figures

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Q: .The unit of density is - 23 A - g/cm^2. O B - Km / cm. O C- g/cm^3. O

A: Alkanes can be defined as the organic compounds that contain single bond between carbon atoms.

Q: An anion exchanger is usually negative charged, True or Falde?

A: Given statement, An anion exchanger is usually negative charged

Q: Calculate the molecular translational partition functions in a volume of 1 cm³ at 298°K for the…

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Q: sample of gas is in a 50.0 mL container at a pressure of 645 torr and a temperature of 25 °C. The…

A: Given that: Initial volume (V1) = 50.0mL Initial pressure (P1) = 645 torr Intital temperature = 25°C…

Q: Aside from London dispersion forces, which substance d interactions to be effective?

A: There are different types of forces act between the molecules:- Hydrogen bonding Dipole-dipole…

Q: 3. How much heat is released when 147 grams of NO2g) is dissolved in excess water? 3NO2 + H2O →…

A: The negative sign of ∆H indicates that the reaction is exothermic in nature.

Q: 69. Which of the following is not true of SN1 reactions? A. They are favored by nonpolar solvents.…

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Q: Which substance has the greatest tendency to participate in a chemical reaction with small chain…

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Q: When zinc is combined with HCI, how does the amount of zinc impact the molar volume of h2 in a…

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Q: Arrange the following compounds in decreasing order of their acid strength 2, 4, 6-trinitrophenol 3…

A: Alcohols can be defined as the organic compounds that contain hydroxyl group is attached to carbon…

Q: The KSP of Agl is 8.50x1017. Find the reduction potential of a saturated Agl solution to Ag(0). Ered…

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Q: 1. The solubility of monocarboxylic acid in water increases as the alkyl chain increases in length.…

A: Here we have to predict whether the given statements are true or false.

Q: How many moles of h2 are produced from 0.2000g of Zn? Zn+2HCI--> ZnCl2+H2 Please show how you got…

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Q: CHOOSE THE LETTER OF THE CORRECT ANSWER.   The illustrated reaction mechanism is considered…

A: In the given reaction we have to choose the correct option for the given reaction mechanism…

Q: Which substance is expected to turn blue litmus paper into red color? * Substance A Substance B O…

A: Which substance is expected to turn blue litmus paper into red color?

Q: Which substance CANNOT decolorize bromine water? Substance A Substance B O Substance C O Substance D

A: Organic chemistry is branch of chemistry in which organic reactant react to form organic products.

Q: Given the reaction,         Fe + MnO 4 - → FeO 4 -2 + Mn +4   a)  How many moles of the…

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Q: the balanced reaction in acidic medium is I2 + H2S ---> 2I-+S+2H+.  Should I place (s) in S?  For…

A: Since you have asked multiple questions, we will solve the first question for you as per our…

Q: 71. What is the major product formed from this reaction? A. o-bromophenol B. p-bromophenol C.…

A: Here we are required to find the major product formed.

Q: What is the product of this chemical reaction??

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Q: Please Write the IUPAC name of the compounds. Observe proper punctuations. Make sure that there are…

A: The IUPAC name of the given compound is:

Q: An imaginary ideal gas heat engine operates on the following cycle: 1. reversible increase in P of…

A: In PV diagram, Pressure (P) is the y-axis and Volume (V) is the x-axis. The first step is reversible…

Q: What is the type of hybridization of the carboxyl carbon in the mechanism? Osp1.5 Osp3 Osp2 O sp

A: The hybridisation of an atom depends upon the number of Sigma bond attached to it.

Q: 3. How does doping enhance the conducting properties of intrinsically conducting polymers? Explain…

A: The polymer which is having delicalization  of pi electrons or alternate pi bond having conducting…

Q: I need to use sodium phosphate monobasic to make a sodium phosphate solution of .01 milimol/l but…

A: Sodium phosphate monobasic or mono sodium phosphate is NaH2PO4.

Q: a). What are acids, bases and buffers? b) What are the different types of buffers? Describe the…

A: THE SOLUTION IS SHOWN BELOW.

Q: Anionic surfactants in wastewater are measured spectrophotometrically as methylene blue active…

A: Given: Limit of surfactant content in Philippine class B water is 300 ppb

Q: H. I

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Q: TRUE OR FALSE 15.In Fehling’s test, the theoretical product after an aldehyde is mixed with…

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Q: Compound A is more polar than compound B.  In RPLC, which column will compound A be more retained…

A: Given: Compound A is more polar than compound B.  To tell: In RPLC, which column will compound A be…

Q: Explain the effect of functional groups on the structure of the ligand (A) by considering HSAB on…

A: Here, we need to explain the formation of complex B by using ligand A by employing concept of Hard…

Q: 7- Uricase acts on uric acid to produce allantoin, carbon dioxide andhydrogen peroxide. Hydrogen…

A: We are allowed to solve only one question per session , so i am solving 7th question , please ask…

Q: Which complex ion possesses the largest number of unpaired electrons? 21 23 24 25 26 27 28 29 30 Sc…

A: We have to see the splitting diagram. And nature of ligand to predict the unpaired electron. Strong…

Q: Based on the figure, between a and b which will elute first?

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Q: Which of the following is not a component of the mobile phase in Ion exchange chromatography

A: Correct answer: C Mobile phase (Eluent) In ion exchange chromatography generally eluents which…

Group 14 Elements

The following elements come under group 14 of the periodic table.