elements

Q: A chemical can exist in one, two and/or three phases or states of matter. Choose or tick the most ap...

A: State of matter for given reagents are given below. 

Q: 5. CH3-CH2-C=C-C (CH3)3 2: Write the molecular formula for hydrocarbons with each of the following s...

A: A number of unsaturated hydrocarbons can be designed by removing hydrogen atoms from the saturated o...

Q: What atomic or hybrid orbitals make up the sigma bond between C2 and H in ethane, CH3CH3 ? (C2 is th...

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Q: Which reagents react with an alkene by syn addition? Select all that apply. Incorrect selections wil...

A: The stereoselectivity during the addition reactions of alkenes leads to syn and anti-products. In sy...

Q: Pls help ASAP. Pls do all of them I BEG YOU I REALLY NEED THIS ANSWER DONE.

A: (1) When propanal undergoes Oxidation with potassium permanganate in Sulfuric acid, then due to oxid...

Q: 10. In Experiment D, what is the catalyst? 11. Explain the role of a catalyst in a chemical reaction...

A: Catalyst is a substance which increases the rate of a reaction without getting involved in the react...

Q: Draw the major product from this reaction. Use wedge and dash bonds to indicate relative stereochemi...

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Q: Germanium-66 Original amount: Amount left: 25 g Total time: 10 h Half-life: 2.5 h Number of half-liv...

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Q: Identify which of the following compounds is meso.   A) I B) II C) III D) IV

A: Meso compound: If an organic compound contains more than one chiral carbon and a plane of symmetry t...

Q: - Identify if the Oxidation product form is: Aldehydes, Ketones and no reaction. 2 Dontonol

A: Primary alcohol (1°) oxidises to aldehyde, secondary alcohol (2°) oxidises to ketones and tertiary a...

Q: I have 270 mL of a 2.6 M NaCl solution. If I boil the water until the volume of the solution is 58 m...

A: Given  Initial Volume of Solution ( V1 ) = 270 mL  Initial Molarity ( M1 )  = 2.6 M  Final Volume  (...

Q: Mark all correct statements about the substitution reactions of benzene. *         A- In the substit...

A: Benzene shows an substitution reaction. The benzene has six  pi-electron cloud which is delocalised ...

Q: Explain the behavior of a cooled and remelted sample.

A: Given- A capillary shows a substantially higher melting point of 145°C. Repeated recrystallization p...

Q: 1. Name the following cc CH2=CHCH,CH=CH2 1) » CH;=CH-CH=CH2 2) 3) CH2=C=CH2

A: According to the answering guidelines, I'm posting the solution for the first 3 problems. Kindly rep...

Q: Draw a secondary amine with 5 carbons. 1. Give the IUPAC name for this amine ( and common name for p...

A: The structure for secondary amine with 5 Carbons is -  (1) The IUPAC name of this compound is = N-e...

Q: Some contact lens solutions use boric acid buffers to resist pH change. Over what pH range does bori...

A: Some contact lens solutions use boric acid buffers to resist pH change. 

Q: If 145 mL of a 0.0078 mol/L solution of CuNO3 was mixed with 195 mL of a 1.48*10^-3 mol/L solution o...

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Q: The following reaction has two possible products A and B. Which is the major product formed?

A: Reduction of alkenes to alkanes takes place under H2 / Pt

Q: Weite the formula for each compund

A: Chemical formula of a compound is a representation of it containing the number and types of atoms in...

Q: 2. Please draw out structure of the following compounds. 1) 2,3-Methyl-1,4-pentadiene 2) (2E,4E)-2,4...

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Q: Br2 Br Br

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Q: Make an electron-flow-mechanism for this synthetic scheme. This involves predicting major and by. pr...

A: Solution -

Q: 1. Chloropicrin, CCl3NO2, is used as an insecticide. It is prepared by the reaction of nitromethane,...

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Q: Which of the following is the correct ratio of rate of effusion of Cl2 to He? O 4.21 O 17.7 O.336 O ...

A: The gases given are Cl2 and He.  

Q: Predict whether each of the following compounds is molecular or ionic:  (a) HClO4 (b) CH3OCH3 (c) Mg...

A: Ionic compound are made up of  metals and Non Metals but covalent  compound are made up from non met...

Q: 24. Based on your knowledge of chemical equilibria in systems, interpret the following set of diagra...

A: The diagrams for the given systems are given below :

Q: 3. Is photosynthesis anabolic or catabolic? Is photosynthesis endergonic or exergonic? Explain.

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

Q: Given: Mg2" (aq) = 5.60 x 10-12 Mg(OH)2 (s) + 2 OH- (aq) + H20 (1) HE (aq) + OH- K = 1.47 x 10-11 ...

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Q: How much is the excess reactants? if the given is Al(OH)3 If 10.0 g of Al2(SO3)3 is reacted with 10...

A: Answer :-  The mass of excess reactants (NaOH) = 1.84 g  -------------------------------------------...

Q: 28. Draw the line-angle diagram for each of the following organic compounds. For each, identify the ...

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Q: It takes 614./kJmol to break a carbon-carbon double bond. Calculate the maximum wavelength of light ...

A: Given: The amount of energy required to break a carbon-carbon double bond = 614 kJ/mol We have to ca...

Q: Determine the molecular formula

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Q: Consider the following reaction: CH4  +  2O2  -->  2H2O + CO2 How many moles of water can be formed...

A: Given  Reaction  CH4  +  2O2   →  2H2O  +  CO2 Number of mole of CH4   = 3 mole  Number of mole of O...

Q: 15.3 grams of Lithium is dropped into a solution containing excess copper (II) phosphate. What is th...

A: The given balanced chemical reaction is   6 Li + Cu3(PO4)2 → 2 Li3PO4 + 3 Cu From the balanced chemi...

Q: Sulfur trioxide (SO3) is combined when sulfur dioxide responds with oxygen in the air. The SO3 is an...

A: Primary pollutant - it is a pollutant that directly emitted from source to atmosphere. Secondary pol...

Q: ОН HOH2C ОН ОН II CO2H CO2H Но- -H- H- -HO- HO HO- ČH2OH CH,OH II IV ÇO,H CO2H Но- H- H- -OH H- -OH ...

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Q: [Review Topica] References) Use the References to access important values if needed for this questio...

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Q: Figure 3 -C=CH H20 Hg2*

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Q: If the decomposition of a compound follows a first order reaction and the initial concentration of 1...

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Q: 5. Write the chemical reaction that took place in Experiment B. 6. In Experiment B, complete the tab...

A: Experiment B. Surface Area: Given that,1. Weigh a small iron nail to the nearest hundredths of a gra...

Q: Sigma Bonding Ac bond arises from the straight-on overlap of two atomic orbitals. The electron densi...

A: The solution is given below - 

Q: For the diprotic weak acid H,A, Kal = 2.4 x 10-6 and K2 = 6.9 × 10-9. What is the pH of a 0.0500 M s...

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Q: What is the dominant force holding the units together in solid benzoic acid?

A: Intermolecular force present in benzoic acid

Q: Assuming it behaves as an ideal gas, calculate the density of methane, CH,, at STP. density: + TOOLS...

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Q: A 500 mg sample contains FeCl3 and MgCl2. Ammonia was added to the sample to precipitate the chlorid...

A: A numerical problem based on quantitative analysis, which is to be accomplished.

Q: 3 Please give one example for the classes of different dienes. Please explain why the conjugated die...

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Q: a) For each of the following molecules, circle each functional group present and give the organic mo...

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Q: 13. In the following energy level profile for the addition of HBR to alkene, indicate by the followi...

A: The slow step is the step having more activation energy whereas fast step is the step where activati...

Q: 3. An element consists of an isotope with mass of 10.0129 amu and 19.91% abundance, and another isot...

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Q: The following groups are listed in order of increasing priority (lowest first). -OCH,CH, -CI H Link ...

A: Given priority order is true or false --