Chemistry Question

Q: Intravenous digitalizing doses of digoxin in children are 80% of oral digitalizing doses. Calculate…

A: Given that The dose of the drug is 80% of oral dose. Oral dose is 10 mcgs/kg. We have to calculate…

Q: What element forms an ion with an electronic configuration of [Kr][Kr] and a −2 charge? element…

A: The electron configuration of an element describes how electrons are arranged in its atomic…

Q: Complete and balance the following redox reaction in acidic solution. Be sure to include the proper…

A: Answer:- This question is answered by using the simple concept of balancing the redox reaction using…

Q: A chemist fills a reaction vessel with 3.10 atm nitrogen monoxide (NO) gas, 7.59 atm chlorine (C1₂)…

A: Given, Partial pressure of NO = 3.10 atm Partial pressure of Cl2 = 7.59 atm Partial pressure of NOCl…

Q: If my volume of solution was given at 20 mL would my set up for mass be the following: 25g / 20g x…

A: % w/v concentration is defined as the number of grams of solute is dissloved in 100 milliliters mL…

Q: To complete a dot diagram for an ion. Cations... A would gain enough electrons to have a full…

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Q: Is it possible to use mesoporous silica nanoparticles (nano carriers)as support of catalysts or bio…

A: Silica (SiO2) is one of the most widely available natural minerals on earth. Since the discovery of…

Q: to be  2 X 10-3, calculate the KSP (a) 4 X 10-6   (b) 8 X 10-8     (c) 4 X 2 X 10-6    (d) 8 X 10-9

A: Solubility product is defined as product of concentration of ions raised to a Power equal to the…

Q: The following mechanism has been proposed for the formation of N₂ and H₂O from H₂ and nitrogen…

A: Answer: Power of concentration term of reactant in rate law is the order of reaction with respect to…

Q: NaHS, KHCO3 and NaF NaHS, Cu(NO3)2 NaHS, KHCO3 NaF NaF, KHCO3

A: The substance when dissolved in water produces strong acid and weak base then the resulting solution…

Q: Draw the major product of this reaction. Ignore inorganic byproducts. Br2 H₂O

A: Alkene react with diatomic halogen and water molecules produced halohydrin

Q: 2. Consider 100 ml of NaOH solution prepared from 0.4 g of NaOH: The pH of the solution is

A: Molarity is defined as number of mole of solute divide by volume of solution in liter

Q: What is the pH of a 3M solution of HNO3?

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Q: 2. Provide an explanation for a negative iron(III) test with eugenol.

A: Ferric Chloride test is performed to detect the presence of phenols, especially in natural extracts…

Q: A Visited Use the References to access important values If needed for this question. The equilibrium…

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Q: Identify the species oxidized, the species reduced, the oxidizing agent and the reducing agent in…

A: ♧ Oxidation : Loss of electrons with increase in the oxidation state .♧ Reduction : Gain of…

Q: Dinitrogen tetroxide was used as part of the fuel for the lunar lander in the Apollo missions. It…

A: Given data :

Q: Calculate the molar solubility of PbCrO4 in 1.0 x 10-3M K2CrO4

A: Given data :

Q: а What is the form of this sugar? CH₂OH OH CHOH OH OH OH -QOH OH CHOH OH OH CHOH OH O OH он он Ка…

A: Given sugar: We have to draw the alpha form of this sugar.

Q: At a certain temperature, Kc = 0.500 for the reaction SO3(g) + NO(g) NO₂(g) + SO₂(g) If 0.100 mol…

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Q: A solution is prepared at 25 °C that is initially 0.18M in dimethylamine ((CH3)₂NH), a bromide…

A: Given,  Concentration of dimethylamine = [(CH3)2NH] = 0.18 M Concentration of dimethyl ammonium…

Q: Calculate the frequency in hertz of electromagnetic radiation that has a wavelength of 548.0 nm. (c…

A: Given :- wavelength of radiation = 548.0 nm  c = 3.00 × 108 m/s  To calculate :- frequency of…

Q: Calculate the pH at 25 °C of a 0.85M solution of potassium acetate (KCH, CO₂). Note that acetic acid…

A: Concept based on the salt hydrolysis. Upon the salt hydrolysis of salt of strong base and weak acid…

Q: Measurement of the concentration of Fe 3+ ions in a saturated solution of Iron(III) chloride was…

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Q: I need help with the set up of finding the mass of a 25% NaOH solution. (0.25 g NaOH per 1 mL…

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Q: Calculate the % (m/m) of oxygen gas in a mixture containing 45.0 g of oxygen gas and 75.0 g of…

A: Mass of oxygen = 45.0 g Mass of nitrogen = 75.0 g

Q: The equilibrium constant, Kc, for the following reaction is 4.53x10-5 at 533 K. NH4CI(S) ? NH3(9) +…

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Q: 6. Ammonium sulfate reacts with sodium hydroxide to produce ammonia, water, and sodium sulfate. How…

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Q: The below picture is the electrostatic potential plot for valine molecule. The blue regions are…

A: We have to explain the charge distribution on the valine molecule based on the bond polarity. We…

Q: Question 1 Draw the structure of the hemiacetal derived from 2-Hexanone + 2-Propanol >>> ? Upload…

A: -> Hemiacetal forms when  1 equivalent alcohol reacts with ketone or aldehyde .But when 2…

Q: When 6.165 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 18.67 grams…

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Q: 19. Draw the product of the SN2 reactions of the following with 1-bromobutane. a. Nal b. KOH c.…

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Q: Consider the reaction below: A(ag) B(aq) A 1.000 M solution of A was heated at different…

A: Here for the following given equilibrium reaction, we have to predict the correct statement.…

Q: (a) Provide four distinct forms of phenylalanine. (b) Rank the solubility of these forms in water.…

A: Solubility of amino acid in water depends on the charge in that form of amino acid. More the charge…

Q: Question: 1. For the reaction A + 2B → C + 2D, use the following data collected at a certain…

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Q: What is the concentration of H2SO4 (in mol/L) based on the data from their second titration? Report…

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Q: Study the following phase diagram of Substance X. pressure (atm) 20- 10- solid 100 liquid gas 200…

A: Phase diagram gives the idea about relationship of temp and pressure.

Q: At 250°C and 1 bar, phosphorus pentachloride PCl5 partially decomposes to phosphorus trichloride…

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Q: Please show your solution on a paper using the formulas on the picture. Thank you so much!…

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Q: . If I only have 450 g of blue copper sulfate, how many Liters of a solution can I make if I want to…

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

A: RCO3H is peracid which is used for the epoxidation of alkene. If a bulky group is present already in…

Q: Final NaOH Burette Reading 20.72 mL 41.54 mL 21.59 mL Initial NaOH Burette Reading 0.12 mL 20.72 mL…

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Q: The decomposition of N₂O4 at 25 °C, N₂O4(g) → 2NO₂(g) has Kc = 4.61 x 10-³. A 3.55 L vessel…

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Q: What is the percent yield of iron if the reaction of 63.2 g of iron(III) oxide produces 14.6 g of…

A: Iron (lll) oxide formula is Fe3O4 . If it is heated it will give Iron and oxygen and it is an…

Q: Please include steps, formula and transformations as well as explanations. Thank you. Calculate the…

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Q: How many Liters (O2) are consumed, STP, if 59.9grams C2H6 is burned C2H6(g) + O2 -> CO2(g) + H2O(g)…

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Q: Derive the general relationship between the IPF and the radius ratio (rc/ra) of the NaCl type…

A: The problem is based on solid state where We have to find the relationship between Ionic Packing…

Q: ◄ Listen Two flasks at the same temperature are joined by a glass tube with a stopcock. Flask A is…

A: The ideal gas equation can be written as PV = nRT Where, P is the pressure of the ideal gas. V is…

Q: Name: 4. What is the percent ionization (to two decimal places) of a 0.50 M HNO2 aqueous solution?…

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Q: . What is the pKa of a 0.2 M solution of an unknown monoprotic acid that has a pH = 4.2?

A: Concentration of acid solution(C) = 0.2 M pH = 4.2