Question 35 Which of the following will cause an instrumental deviation in Beers Law? I. stray light II. unclean optics such as mirrors, lens, and lamps III. fingerprint on the clear area of the quartz cuvette IV. mismatched cell O A.I, I, Il and IV O B. I, II, and III only OC. and III only O D. II and IV only

Q: rate = k O k =

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Q: Which process in the diagram below shows fluorescence? Singlet excited states 2 Triplet excitod stat...

A: Furoscenece: The emission of light by a substance that has absorbed light or other electromagnetic r...

Q: Would you expect cyclobutadiene to be a stable molecule? Explain. H. C- H.

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Q: Circle the compound that would have the lowest energy at its most stable conformation and box the co...

A: We have to circle the compound would have the lowest energy at its most stable confirmation as follo...

Q: Rank the isomers in order of increasing heat of formation. Highest heat of formation Lowest heat of ...

A: The order of heat of formation of diene is given below 

Q: parts

A: From the graph, we can conclude that "The given graph represents that the pressure of the BF3 decrea...

Q: Encircle the functional groups and identity the functional group present

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Q: 2H,0, (aq)→ 2H,0(1)+0,(8) -> Rate Law: The equation for the decomposition of hydrogen peroxide is gi...

A: The ideal gas equation is given by PV=nRT, where, P, V, n are the pressure, volume, and temperature ...

Q: What process is involved in #4? Singlet excited states 2 S Triplet excited state S, T, 4 bsorption 5...

A: In the diagram, 4 is the transition of singlet to triplet state.

Q: . Explain how dipole-dipole forces cause molecules to be attracted to one another. (be sure to inclu...

A: We are authorised to solve only one question at a time. Please both test of the question separately....

Q: A copper (II) sulfate solution of unknown concentration is placed in a colorimeter and an absorbance...

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Q: - of Ke for

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Q: The p?b values for the dibasic base B are p?b1=2.10 and p?b2=7.58. Calculate the pH at each of the p...

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Q: Which of the following compounds is MOST reactive in an SN1 reaction? I -OTs II -OTs II -OTs IV -OTs...

A: Carbocation will be more stable if it takes part in resonance with a double bond. 

Q: Show that E = +1:25 V when pH = 3.0 and the ratio [Mn2+]: [MnO4] =1: 100. Please answer ASAP

A: In acidic medium 5e- are involved

Q: For each addition route of the reaction, draw the structure(s) of the major product(s), including st...

A: The 1,2-addition product is given below 

Q: The indicated lone pair participates in aromaticity. H. O True False

A: "N of NH is sp2 hybridized and its lone pair of electron takes part in conjugation." 

Q: Consider the equilibrium system described by the chemical reaction below. A 2.00 L reaction vessel w...

A: Equilibrium is a condition in which both the reactants and products are present in equal concentrati...

Q: A copper (II) sulfate solution of unknown concentration is placed in a colorimeter and an absorbance...

A: Given, First copper sulphate sample: A - 0.46 Second copper sulphate sample: A - 0.34 c - 0.055 M

Q: QUESTION 9 The metal niobium crystallizes in a body-centered cubic lattice. If the density of niobiu...

A: For bcc lattice,  Contribution of atom of body centre = 1  Contribution of atom of corners = 1/8 Tot...

Q: Is prepareu at 25 IS hilialy 0.21M weak acid with K̟=4.5 × 10, and 0.43M in potassium nitrite (KNO,)...

A: Buffer solution is calculated by using Henderson Hassel balch equation

Q: Atenolol

A: Question 4: Due to it's structural peculiarity i.e asymmetric carbon atom. This chiral carbon centre...

Q: In fluorescence, the quantum yield is best defined as the:   A. number of photons emitted, divided...

A: In  fluorescence, the quantum yield is number of photons emitted divided by the number of photons ab...

Q: N2|H2|initial rate of reaction 2.46M 2.06M 0.603M/s 11.3M 2.06M 12.7M/s 2.46M 5.01M 3.57M/s this inf...

A: Initial rate of reactions given

Q: How many grams of nitrogen does 1000 ml of an 8.5% amino acid solution contain?

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Q: 4. Which of the following statements are true about Hydrogen Bond? I. Molecules that have bonded wit...

A: 4.  We have to tell about the H-bonding. We know that the Hydrogen bond is a special type of strong ...

Q: 1,3- Butadiene undergoes an electrophilic addition with Hbr. Complete the steps in the mechanism to ...

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Q: Which process in the diagram below shows phosphorescence? Singlet excited states Triplet excited sta...

A: Phophorescence is a emmision of light,this a spin forbidin process that is this is happening between...

Q: In which region of the electromagnetic spectrum does an absorption at 600 nm come? O A. Visible O B....

A: Electromagnetic spetrum is the arrangement of electromagnetic radiation according to wavelenght or f...

Q: Predict the organic product(s) HO-CH3 CI o-CH3 O-CH3 CH30 b-CH3 I II II IV A. II В. I C. I and IV D....

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Q: Reaction rate and stoichiometry: 2A --> 4B Two moles of A disappear for every 4 moles of B that are ...

A: Given :-  2A → 4B  2 moles of A disappear for every 4 moles of B that are formed. To identify :-  Co...

Q: Example 8 Calculate the corrosion rate in mpy of Al specimen (5 cm) immersion in aqueous solution fo...

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Q: Write a balanced equation for the following by inserting the correct coefficients. If the coefficien...

A: • The given unbalanced chemical equation is,      CaSiO3(s) + HF(g) →                      SiF4(g) +...

Q: ion 18 of 20 Consider the Diels-Alder reaction shown. Draw the structures of the diene and dienophil...

A: The correct answer is given below

Q: on the f onditions needed to form the product 3. Provide the reactant and reaction H HO

A: ANSWER 23. Given product is cis-1,2-diol . means it is an example of syn-dihydroxylation , which occ...

Q: What is the pH of a solution with hydroxide ion concentration

A:   pH = - log[H+]    At 25° C [H+]  [OH-] = 10-14  Given that [OH-] = 0.0076 M [H+] (0.0076 M) = 10-1...

Q: Choose an expression for the equilibrium constant (Kc) for the following chemical equation: 2K2O2 (s...

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Q: 1. What is the percent, by mass, of chromium in KCrO4? a. 26,776 % b. 31.763 % c. 40.268 % d. 42.241...

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Q: 3-21 Draw a Newman projection along the C2-C3 bond of the following con- formation of 2-butanol.

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Q: * 00 3. Chromium(III) oxide reacts with hydrogen sulfide (H2S) gas to form chromium(III) sulfide and...

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Q: OH Spell out the full name of the compound. 4-chloro-3-el-hylcyclohex-1-ol

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Q: r at 400 K, what will be

A: The solution is as follows:  

Q: Consider the following reaction at equilibrium. What effect will decreasing the temperature have on ...

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Q: Calculate the equilibrium concentrations of the gaseous products if a sample of solid NH,SH is place...

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Q: When 2.0- SO, and C

A: Molarity of SO2Cl2 = mole/Volume         = 2.0/2.0 = 1.0    SO2Cl2 SO2 Cl2 I 1.0 0 0 C -a +a ...

Q: In the deficiency referred to in question 40, a deficiency of the form of develops which makes the e...

A: Glutathione is used as antioxidant and helps in balancing of the free radicals in the cells and thus...

Q: Dimensional analysis You bought $30 worth of bananas. How many bananas did you buy? Assume that bana...

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Q: t takes a runner 37 minutes to complete a 10 km course. What is his/her average speed in miles per h...

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Q: The combination of ozone, volatile hydrocarbons, nitrogen oxide, and surnlight in urban environments...

A: It is given that PAN decomposes to acetyl radicals and nitrogen dioxide in a process that is second ...

Q: Why is the baking soda and vingear separate when they mix?Why did the circumference of the balloon d...

A:  baking soda and vinegar balloon experiment