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Q: If L was lowered by adding a catalyst, which of the following would be correct? 70- 60- 50 40- 30- 2...

A: On adding catalyst, Reaction goes through alternate pathway.  

Q: Uv spectroscopy organic chemistry

A: lamda max= 235+203=438 i guess

Q: Pls help!

A: punnett square is a diagram used to predict the genotypes of a particular cress experiment.

Q: Part A Consider the reaction 2H3PO4→P2O5+3H2O2H3PO4→P2O5+3H2O Using the information in the followi...

A: Since we know that average rate of formation is given by the change in concentration, ∆[P2O5], divid...

Q: Select the best answer. 1.) MeMgBr (excess) 2)H*, H0 3.) NaH 4.) CH .CI b.) R R. d.) e) R. R

A: Acid chloride with excess grignard reagent gives tertiary alcohol Alcohol with base and alkyl halide...

Q: A sample of xenon gas at a pressure of 0.991 atm and a temperature of 24.7 °C, occupies a volume of ...

A: According to Boyle's Law,  P1V1 = P2V2 P1 = 0.991 atm V1 = 12.8 liters P2 = ?  V2 = 21.4 liters 0.99...

Q: Name the following heterocyclic compounds using replacementnomenclature only:

A: A heterocyclic compound or ring structure is a cyclic compound that has atoms of at least two differ...

Q: In what shell do the valence electrons reside for an element in period: (a) 2; (b) 3; (c) 4; (d) 5?

A: To find: The shell in which valence electrons reside for an element in period. 2 3 4 5

Q: What would be the name of the following? CH;CH,CHBrCHBrCH(CH3)2 3. Show the product furnished from t...

A: The question is based on the concept of organic chemistry. we have to write the IUPAC name of the gi...

Q: What is the product of the following reaction? 1. DIBAL 2. H30* Select one: HO а. b. н d. cI е. O f....

A: DIBAL-H: Di-isobutyl Aluminium Hydride is a reducing agent used to reduce esters to aldehyde or keto...

Q: Explain how distillation is used to separate mixtures.

A: Distillation is the process by which the compounds get purified. It is a process to separate the mix...

Q: If you wanted to make a HEPES buffer at pH 8.3, and you had both HEPES acid and HEPES base available...

A:

Q: Identify which carbon (number) has the chiral center (Task 5) hello.

A: A chiral carbon or assymetric carbon is atom which is attached to four different substitutents or gr...

Q: How many moles are there in 40.7 g of H3PO4

A: Number of moles is equal to the ratio of mass of the compound and it's molecular mass of the compoun...

Q: A sample of helium gas occupies a volume of 8.03 L at 60.0°C and 364 torr. If the volume of the gas ...

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Q: How many grams of solid potassiumfluoride should be added to 2.00 L of a 0.236 M hydrofluoric acid s...

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Q: For reaction below, identify the atom oxidized, the atom reduced.

A: The atom whose oxidation state increases is oxidized and the atom whose oxidation state decreases is...

Q: Please list all major chemical Shifts, Integration, Splitting, and Conclusion for the 1H-NMR peaks.

A: The NMR technique is a spectroscopic technique that detects the presence of types of protons availab...

Q: Convert the following temperatures to kelvin:(a) 115.21°C, the melting point of sulfur; (b) 37°C, th...

A: Kelvin(K) is the SI unit of temperature(T). oC(degree Celsius) is also the unit of temperature. Bec...

Q: An unknown gas effuses 3.7 times faster than N2O4 at the same temperature. What is the molar mass o...

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Q: Ochem

A:

Q: 5. (0,3 points) Consider the reaction: 2B →C+ 3D. In one experiment it was found that at 300 K the r...

A:

Q: Part A) The activation energy of a certain reaction is 49.3 kJ/mol . At 22 ∘C , the rate constant is...

A: Activation Energy = 49.3 KJ/mol Part A Temperature at which rate = double ? Part B Rate constant at ...

Q: Name the following heterocyclic compounds using replacementnomenclature only:

A:

Q: The value of ΔrHº is -12.93 kJ/mol over the range 500-1200 K for the reaction H2 (g) + I2 (g) ↔ 2HI ...

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Q: Question: How to get rid of colored impurities in the recrystallization process? Explain that in det...

A: Recrystallization is a chemical purification process. By dissolving all impurities and a compound in...

Q: The smallest part of an element that retains the properties of the element is called an?

A: Elements are the purest form of matter available to us. The elements are made up of only one type of...

Q: The product gas, C,H2, is collected over water at a temperature of 20 °C and a pressure of 745 mm Hg...

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Q: Question / The sulfide ion concentration is inversely proportional to the square of the hydrogen ion...

A: Applying concept of solubility product.

Q: The National Oceanic and Atmospheric Association (NOAA) is sending up several weather balloons to co...

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Q: Use arrows to show electron reorganization.

A: In this case Cl -1 will act as nucleophile  The Cl-1 will attack towards phenyl side because that wi...

Q: Consider the exothermic reaction: C2H4(g) + Cl2(g) C2H,Cl,(g). What effect does each of the followin...

A: Disclaimer: Since you have posted a question with multiple sub-parts, we will solve first three sub-...

Q: How many Faraday is needed to deposit 18.5 moles of Sn from SnCl4? O a. 18.50 O b. 74.00 O c. 37.00 ...

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Q: The rate of effusion of SO2 gas through a porous barrier is observed to be 7.64 x 10-4 mol/h. Under ...

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Q: How do you choose the most suitable precipitate for gravimetric purposes if given many choices?

A: A precipitate is formed when an insoluble compound is dissolved in a solution when a precipitating r...

Q: Either positive, negative, or unkown

A:

Q: What are the key features of the metric system of measurement?

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Q: One mole of an ideal gas occupies 22.4 L at standard temperatures and pressure. What would be the vo...

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Q: Long-term space missions require reclamation of the oxygen in the carbon dioxide exhaled by the crew...

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Q: Draw the condensed structural formula for a and b and the line-angle formula for c and d. a. hexanam...

A: The condensed structural formula can be written by the atomic name of the element present in the mol...

Q: An electron in a hydrogen atom jumps from n=7 to n = 5 and emits a photon. What is the wavelength of...

A: Given , nfinal= 5 ninitial=7  R=1.097×107 m-1 Wavelength =?

Q: Name the following heterocyclic compounds using replacementnomenclature only:

A: A heterocyclic compound is a derivative of carbon-containing compounds which contain atoms other tha...

Q: A chemist mixes sodium with water and witnesses a violent reaction between the metal and water. This...

A: The answer is option a), which is an observation. Because, the violent reaction between Na(Sodium) a...

Q: Qz// Calculate the pH for o.2M Ammonium acetate, the ionization constant for Acetic acid * and Ammon...

A: The value of pH represents the concentration of the hydrogen ions present in the solution. Greater t...

Q: Write the mechanism of the aliphatic nucleophilic substitution reaction between n-butanol and Br- in...

A:

Q: how many electrons regions surround the central carbon atom of the carbonate ion, and what is the bo...

A: There are 3 regions that surround the central carbon atom of Carbonate ion that has 8 lone pairs on ...

Q: Draw the mechanism for this reaction

A: Acid catalysed dehydration of Alcohol

Q: Name the following heterocyclic compounds using Hantzsch-Widman nomenclature only

A: Solution :       Different systems are used to name the heterocyclic compounds as given below : a) C...

Q: What is the mass of Potassium lodide (KI) that will dissolve in 50 g of water at 5°C? O a. 72g O b. ...

A: Solubility product is a product of the concentration of ions with the power when the solution is sat...

Q: A pure solid sample of Substance X is put into an evacuated flask. The flask is heated at a steady r...

A: Given:  Temperature vs Heat supplied graph for Substance X.