If a reaction proceeds when both X and Y are present, does that automatically mean that the reaction requires both X and Y? How would you be able to tell which species is/are critical for the reaction to be able to proceed?

Q: 2. Consider the following equilibrium systems: (a) A2B (b) A + B C (c) A + B Predict the change in t...

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Q: I need help finding the therotical yield and the percent yield with the data provided:  mass of fil...

A: % yield = Actual yield  / theoretical  yield ×100

Q: Which is NOT true of multiple bonds? Select the correct response: O It has pi bonds. It is electroph...

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Q: recrystallization technique to purify a crude sample of benzoic acid. However, their instructor, Geo...

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Q: Consider the reaction to produce a block co-polymer below.  A and B are different monomers.  For exa...

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Q: Which of the following compounds is correctly classified as a tertiary alcohol? A) 3-methyl-2-butan...

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Q: A colloidal suspension of negatively charged particles is to be destabilised by the addition of a sa...

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Q: Consider this initial rate data at a certain temperature in the table for the reaction OH"(aq) [OCI"...

A: Given reaction is :  Experimental data is :  And   

Q: The major product formed in the following reaction will be OCH3 OHO 1. Heat H3CO. 2. LIAIH4 CH3

A: In this question (1) 1st step is diels alder reaction  (2)2nd step is reduction. 

Q: A 5.0 g sample of NH4CH3COO . xH2O is dried yielding 2.58 g of anhydrous salt.   Determine the form...

A: Given: The mass of the hydrate (NH4CH3COO . xH2O) = 5.0 g The mass of the anhydrous salt after heati...

Q: What is the chemical formula of silver nitrate? * a. AGNO3 b. Ag(NO3)2 A. c. Ag(NOs)3 d. Ag.NO3 D. B...

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Q: NaOH, H.

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Q: c) What are essential fatty acids? What type of geometrical isomerism plays a vital role in essentia...

A: These questions are based upon DNA Replication.

Q: 5. a. Would you expect Frenkel defects for anions to exist in ionic ceramics in relatively large con...

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Q: 5. Based on the trends learned in class, indicate which of the following metal cations: Li*, Na*, K*...

A: This question is related to size of hydration sphere.  It depends upon the size of the cation and si...

Q: Imagine you collected a volcanic rock while on vacation to Hawaii and you want to know how old it is...

A: GIVEN: Amount of parent nuclei (U-234) = 4 micrograms Amount of daughter nuclei (Th- 230) = 124 micr...

Q: Indicate the surface charge on Fe(OH)3 sol particles at each of the following conditions. At pH 13, ...

A: In this question we have to tell the surface charges on Fe(OH)3 sol particles in different pH condit...

Q: What is the concentration in molarity of an aqueous solution which contains 1.69% by mass acetone (M...

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Q: 7. What happens to the average kinetic energy of the substance in Region II of the cooling curve? Re...

A: 1) we know kinetic energy is directly proportional to the temperature. In the given graph the region...

Q: 3. Which of the following statement/s is/are correct? I. 3.00 N H2SO4 is equivalent to 6.00 M H2S04....

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Q: What happens to the calculated molarity of the sample if the burette was not washed with the standar...

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Q: What is the chemical formula of carbon octoxide. * a. COs b. COs В. c. CO, d. CO O D. C. B.

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Q: The gas-phase reaction of NO with F2 to form NOF and F has an activation energy of Ea = 6.30 kJ/mol ...

A: Minimum  energy needed for the completion of reaction is known as activation energy.

Q: You have been given an order to prepare 14 progesterone capsules for a patient in your pharmacy. The...

A: No of capsules = 14 Full weight of all capsules = 4.9 g

Q: B. Calculate the molar H* ion concentration of a solution if the OH ion concentration is a. vinegar,...

A: Calculate [H+] by using [OH-] of the following---  

Q: 1. An alcoholic drink claims 12% alcohol by volume. Calculate the volume in ml of alcohol present in...

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Q: Name the molecule

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Q: Using your fork to separate tomatoes, lettuce, cucumber, onions in your salad is an example of: * Ce...

A: Tomatoes , lettuce, cucumber, onions in salad are having large size.

Q: The below diagram shows an electric double layer surrounding a colloidal particle such as that found...

A: The given diagram shows an electric double layer surrounding a colloidal particle such as that found...

Q: Which of the following alkenes will produce only one product on hydration? A) 4-octene B) 3-hepten...

A: Alkanes reacts with water in acidic medium gives alcohol.

Q: The Isoelectric point is characterised by the particles having a net zero surface charge. At this po...

A: Coagulation in proteins occur when the oppositely charged ends of the peptides comes closer together...

Q: A solution containing 5ppm KMNO4(F.W.159) has a transmittance of 0.360 measured in 1 cm cell at 500 ...

A: Concentration of KMnO4 solution = 5 ppm Transmittance = 0.360 Cell diameter = 1 cm

Q: A. Classify the following hypothetical molecules as polar or non-polar. Note: Number 5 item is not a...

A: The difference in electronegativity of the elements involved in forming a bond.Polarity also arises ...

Q: III. Fill up the numbered spaces (only) in the table below. You may type or manually write/ draw you...

A: Fill up the numbered spaces (only) in the table below. You may type or manually write/ draw your ans...

Q: C(CH3)3 Br2, hv *CH3 CH3 Ç(CH3)3 C(CH3)3 H;C-C-CH;Br Ç(CH3)3 *CH3 Br CH3 *CH3 CH2Br Br I. II. III. I...

A: Given:-   we have to find the major product of the above bromination reaction. 

Q: For centuries, the people of Paradis Island have been isolated from the rest of the world. The SI un...

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Q: Why is it important to keep this reaction dry? Explain your answer using a simple mechanism. (PLEASE...

A: Reaction of Grignard reagent. 

Q: Among the given organic molecules, Identify the number of molecules which are optically active. Br C...

A: Optically active compounds are those who doesn't have any plane of symmetry, center of symmetry (any...

Q: Which of the following gives rise to cis-trans isomerism in alkenes ? Select the correct response: p...

A: For cis-trans isomerism of alkene  Given Presence of two bonds  Presence of pi bond  Hybridization ...

Q: A 5.00-mL sample of blood was treated with trichloroacetic acid to precipitate proteins. After centr...

A:   Given : 1.Absorbance of standard solution(A1)         = 0.396  (first point) 2.Absorbance of stan...

Q: 4. Write the balanced equation for the reaction of 4-(bromomethyl)benzoic acid with methanol. 5. Com...

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Q: Br CH;OH OCH; +

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Q: For a given equation: 2H2O(l) + Cr3+(aq) Mn2+(aq) → MnO2(s) + 4 H+(aq) + Cr (s) the reaction quotien...

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Q: How many grams of O are found in 7.40 x 1024 atoms of NO3- was produced?

A: 1 mol is equal to 6.022*10 raise to power 23 atoms. Mole in chemistry, a standard unit for measuring...

Q: According to Markovnikov's rule, hydration of a trisubstituted alkene will produce a secondary alcoh...

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Q: Determine the pH of each of the following solutions: a. 0.125M NH,CI (aq), K, for NH3 = 1.8x105 b. 0...

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Q: Argon has the following isotopic abundances: 35.967546 amu 0.3365% 37.962732 amu 0.0632% 39.962383...

A: Given,

Q: A 15.0-L solution contains 0.100M Cr*, Ag*, and Fe2". A chemist will add solid KOH to the solution. ...

A: Given :  Volume of solution = 15.0 L  Concentration of Cr+3, Ag+ , Fe+2 = 0.100 M   

Q: Give IUPAC Name For Following: CH3CH2CH(CH3)C(Triple Bond)CCH2CH3 (CH3)2CHC triple bond CCH(CH3

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

Q: Select the correct response: CH3CHCH,CH2 CH3 CH;CHCH,CH, CH3CH2CHCH3 CH3 CH;CH,CCH3 O CH;CH,CH,ČH,

A: Carbocation is species in which carbon is carrying positive charge. Carbon is sp2 hybridized in carb...