Which element(s) emits radiation in the visible region of the electromagnetic radiation? Hint: Near UV Violet 390 Cu, Na, Fe Ba, Ca, Na Ag, Au, Ba Au, Ba, Ni Mg, Cu, Ca Indigo 446 Blue 500 Green Orange Yellow 600 542 578 Wavelength (nm) Near Infra-Red 750

Q: The pH of a sodium acetate-acetic acid buffer is 4.50. Calculate the ratio [CH3COOT]/[CH₂COOH].

A: pH of buffer solution is calculated by using Henderson Hesselbalch equation

Q: Complete the balanced molecular chemical equation for Na2CO3(aq)+CsC2H3O2(aq)

A: A balnace chemical reaction requires same number of all the atoms on both sides of an equation.  The…

Q: Symbols Give the mechanistic (E1, E2, SN, SN²) that are Con Sistent with Statemenst: DJ these…

A: Here we are required to find the mechanistic symbol that are consistent with each of the following…

Q: A curved arrow mechanism for a Bronsted acid-base reaction is shown below. Choose the best…

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Q: What is the major anionic (negatively charged) species present at equilibrium in solutions made up…

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Q: If a buffer solution is 0.280 M in a weak base (K₁= 4.0 x 105) and 0.410 M in its conjugate acid,…

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Q: Propose a structure for the starting alkene or alkyne and reagents you would use to carry out the…

A: Here we have to predict the structures and reagents needed for the following given reactions.

Q: 1 2 3 4 Use the following information to answer the next question. Compounds Containing Carbon…

A: The answer to the given question is: 1235

Q: Determine the pH during the titration of 61.5 ml of 0.338 M nitrous acid (x,-4.5x104) by 0.338 M…

A: we have to calculate the pH after given amount of NaOH is adding to nitrous acid

Q: The pK, of hypochlorous acid is 7.530. A 51.0 mL solution of 0.122 M sodium hypochlorite (NaOCI) is…

A: The following reaction occurs in this titration OCl- + H3O+ →      HOCl + H2O  ..... (1)…

Q: MISSED THIS? Watch KCV65 M62 Read Section 65 You can click on the Revew in to access the section in…

A: Sodium is 1st group element having only one electron in outermost orbital. The charge on it +1. It…

Q: Draw the skeletal structures of all isomers of C₆H₁₂ that have the (E)-configuration.

A: E/Z configuration exist in alkene. E- configuration in which the highest priority group are on the…

Q: One of the ingredients in the Native American stomachache remedy derived from common chokecherry is…

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Q: 12. In the Ostwald process for oxidizing ammonia, a variety of products is possible - N₂, N₂O, NO,…

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Q: Consider the octahedral complex [FeBr6] 4−. In water solution it has an absorption peak at 864 nm…

A: Since you have asked a multiple sub-part question, we will solve first 3 sub-parts for you. For the…

Q: Give a clear handwritten answer with explanation...Blance the following reaction in detailed?

A: The Chemical reaction follows the law of conservation of mass. According to the law of conservation…

Q: The inverse of the formation constant is the dissociation constant, Kd. Using the dissociation…

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Q: Nitrous oxide (N₂O) is used as an anesthetic (laughing gas). It is a potent greenhouse gas and…

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Q: Looking up one rainy afternoon from lab notebook, your friend Miguel (an expert chemist) says this:…

A: Alkali metal reacts with halogens to give metal halides with general formula MX. M = Alkali metal  X…

Q: A chemist prepares a solution of iron (III) chloride (FeC13) by measuring out 0.30 g of FeCl3 into a…

A: Given mass of FeCl3 = 0.30 g  Volume of Solution  = 300.0 ml = 0.300L  (1 L = 1000 ml )  Molar mass…

Q: What volume, in milliliters, of 0.180 M NaOH should be added to a 0.140 L solution of 0.029 M…

A: Given, Concentration of NaOH = 0.180 M Volume of glycine hydrochloride = 0.140 L Concentration of…

Q: The following is an atomic orbital: & Determine the number of angular nodes, the number of radial…

A: The formula which we can use to find the principal quantum number is: Total no. Of  nodes = n - 1…

Q: Consider the following acid-base reaction: HO + согнсо + For each of the stresses indicated in the…

A: According to le chatlier's principle: equilibrium opposes the change... If we add reactant then…

Q: 3. 6. Cp₂TiCl₂ + 2 NaBHEt3 B(OMe)3 + PhMgBr

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Q: Click in the answer box to activate the palette. Write the formula for the compound formed when the…

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Q: Which of these factors can change the half-life of a radioactive element?       a)  temperature…

A: Physical change or chemical change does not change the radioactive property of an element or…

Q: The lattice constant of the unit cell of a-iron (has a bcc structure) is 0.287 nm. The number of…

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Q: Name the starting material, give one (1) Major product for each reaction and name resultant product…

A: Catalytic reduction  of alkene or alkyne with H2/ Ni  to give an alkane. Alkene undergo hydrolysis…

Q: Mole Particle Conversions 1. 7.85 x 10³5 atoms of arsenic is equal to how many moles of arsenic?

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Q: estion 1 Calculate the number of atoms in 10 grams of Na b What is the percentage of iron formation…

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Q: Prepare 50ml of approximately 1000ppm Mn stock solution from MnCl2*4H2)

A: mole =massmolar massppm = mgL1000 mg = 1.0 g

Q: Please write (after each species) whether the following is a nucleophile or an electrophile. H CN…

A: Following  species are classified  as.

Q: What is the net ionic equation for the reaction of acetic acid, CH3CO2h, with NH3?

A: Here, we have to write the net ionic equation for the reaction of acetic acid, CH3CO2H, with NH3.

Q: Answer the questions below about the highlighted atom in this Lewis structure: H - H I C-C=C-H | H…

A: During orbital hybridization, the mixing of atomic orbitals takes place to form new orbitals known…

Q: What is the half-life for a reaction with a rate constant k of 0.0045s-1?

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Q: Calculate the density of chlorine gas in g/L, at STP.

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Q: The following reactions all have K < 1. 1) CgHyOs" (aq) + HCOOH (aq) =HCgHy©s (aq) + HCOO" (aq) 2)…

A: Acid is a substance which can donate a proton and base is a substance which can accept a proton. If…

Q: What is the full name of the compound?

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Q: Q6.2: The enzyme active site provides an optimized physical and chemical microenvironment to lower…

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Q: Write the net ionic equation for the acid-base hydrolysis equilibrium that is established when…

A: In the given question we have to the net ionic equation of the following reaction,  Here,  potassium…

Q: In the equation, A = ebc, what quantity is represented by e? Molar Absorbtivity. Transmittance.…

A: We are given the equation, A = ebc and we need to discuss what is represented by e in above…

Q: What is the predicted van't Hoff factor for a dilute aqueous solution of barium hydroxide? A. 1 B. 2…

A: Barium hydroxide is strong electrolyte hence it dissociated fully in aqueous solution

Q: The data table below shows the concentration of a reactant with respect to time for a zero-order…

A: Using the rate law equation we have rate formula for zero order - rate = k [A]0 = k  where k = rate…

Q: A certain indicator, HA has a Ka value of 6.3×10−8. The protonated form of the indicator is red and…

A: Given the Ka value of the indicator(HIn), Ka = 6.3*10-8  Color of the protonated forms(Hin) is red.…

Q: Compose a table that contains the important peaks for the experimental and literature IR values of…

A: Infrared spectroscopy deals with the study of interaction of compounds/ organic molecules with…

Q: Consider a gas that follows the equation of state P (V - B) = RT where b is a constant. If the…

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Q: When a 26.5 mL sample of a 0.361 M aqueous nitrous acid solution is titrated with a 0.478 M aqueous…

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Q: Sucrose (table sugar, C12H22O11) can be oxidized to CO2 and H2O, and the enthalpy change for the…

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Q: In an aqueous solution of a weak acid, HA, the assumption is often made that [HA]equilibrium =…

A: According to given question,

Q: Exercise Use the ideal gas equation to evaluate the volume of Helium gas (He(g))at the following…

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