1. How can the water displacement method be used to measure the density of tan irregularly-shaped solid?

Q: A molecule has an empirical formula of CH, and its molar mass is known to be 26 g/mol. What is its…

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Q: The weight in grams of NaOH can be computed if the number of moles and the molar mass are given. O…

A: Using mole concept easily determines how much mole , molecular weight is used or formed in any…

Q: Consider the reaction: Important values if I for this question C(s) + O₂(g) → CO₂(g) Write the…

A: The equilibrium constant can be written in the terms of concentration of products and reactants.

Q: The [H+] in a particular lake is 10-8.5. Use the formula pH = -log [H+] to determine the pH of the…

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Q: Calculate the number of g of iron that can be made from 16.5 g of Fe2O3?

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Q: Calculate the number of moles in 21.0 g of each of the following: Y Part D Gaz Sa Express your…

A: Part D Given, mass of Ga2S3 = 21.0 g moles of Ga2S3 = ? Note:  molar mass of Ga2S3 = 235.64 g/mol

Q: Van der Waals Equation of State The Van der Waals equation of state is: (p+ Table 1C.3 in the…

A: Given,  Number of moles of CO2 gas = n = 0.324 mol  Volume in L = V = 2.59 L  Pressure in bar = P =…

Q: Curved arrows are used to illustrate the flow of electrons. Using the provided resonance structures,…

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Q: Element Mg AI si Þ S CI Ar ATOMIC 12 13 14 15 17 18 Configuration

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Q: 1. If 23.6 grams of nitrogen are mixed with 17.3 g of hydrogen, how much ammonia may form?

A: Given :-  Mass of Nitrogen, N2 = 23.6 g  Mass of Hydrogen, H2 = 17.3 g  Mass of Ammonia, NH3 = ?…

Q: What is the meaning of the phrase "tare the mass of a piece of weighing paper?"

A: Weighing paper is used to weigh any solid compound using weighing machine in labs. It is always…

Q: h ²d e ³a cid H

A: Organic reactions are those in which organic reactant react to form organic products. Pericyclic…

Q: Which of the following substances can be separated into simpler substances only by chemical means?…

A: Given options out of  which can be separated into simpler substances are   a. gold b. water c.…

Q: The rate of a certain reaction is given by the following rate law: rate=k[N₂] [H₂] Use this…

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Q: 543.7 g + 568.45627 mL

A: The measurements to be added are: 543.7 g + 568.45627 mL

Q: Chemistry Of the bonds C-C, CC, and CC, the C-C bond is __________. A. strongest/shortest B.…

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Q: 2. In part IIA, you calculate the density of a cube using a ruler and a digital caliper to measure…

A: A. Using rular and digital caliper to the side of cube, digital caliper gives highly precise value…

Q: Question 11 Benzoic acid is used as food preservative. A 0.015M solution of the acid has a pH of…

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Q: 2. Give the major product of the following reactions: Br 2.1. 2.2. 2.3. 2.4. Br -CN OH 1-CH3 (2) (2)…

A: Diels–Alder reaction Reaction between a conjugated diene and an alkene (dienophile) to form…

Q: a. C6H6 HO b. C3H₂N c. CsH6Ch₂O d. C4H10O art 19w2nA axie e. C4H4F3NO

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Q: When is decantation applicable in separating solids from liquids

A: When the liquid has to be separated leaving the solid behind in a liquid mixture, then decantation…

Q: What is the pH of a solution containing 7.41 x 10-2 hydroxyl ions?

A: The hydroxyl ion concentration [OH-] = 7.41 x 10-2 M Now, pOH = -log[OH-] = - log 7.41 x 10-2…

Q: When 84.8 g of alanine C3H7NO2 are dissolved in 1200. g of a certain mystery liquid X, the freezing…

A: Answer: Freezing point depression of a solution containing non-volatile solute is:…

Q: 3. Gases-ex: helium gas is colorless, no smell, fills an entire balloon, no taste, makes my voice…

A: A question based on general chemistry that is to be accomplished.

Q: 3. olumlu sham Me Ph Ph Ph H NaOEt Ph

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Q: If a gas stove releases 180kJ of heat energy, what is the energy in kilocalories? (1 cal = 4.184 J)

A: Thermodynamic  is branch of chemistry in which we deal with amount  of heat evolved or absorbed by…

Q: STOICHIOMETRY IN BALANCED EQUATION Answer the following below. Show your solutions.…

A: Here we are to find the mass of product formed in each reaction.

Q: In a solution of acetone and water, the mole fraction of water is 0.212. If the vapor pressure of…

A: Given: In a solution of acetone and water, the mole fraction of water = 0.212 The vapor pressure of…

Q: Benzoic acid is used as food preservative.  A 0.015M solution of the acid has a pH of 3.01.  What is…

A: 0.015 M benzoic acid solution has a pH of 3.01 .We have to calculate the Ka of the acid solution .

Q: The density of an aqueous solution containing 40.0% sulfuric acid (H2SO4) by mole is 1.681 g/mL. a)…

A: Molality: The number of moles of the solute dissolved in one kilogram of the solution is known as…

Q: Convert 359 m³ to ft³

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Q: What is main objectives in extraction of beta-carotene from carrot.

A: Extraction is a separation process consisting of the separation of a substance from a mixture.…

Q: How many molecules of O₂ are produced when 40.3 g of KCIO, decomposes as shown in the reaction? 2…

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Q: grams

A: Given , the reaction is NaIO3 + 6 HI →3 I2 + NaI + 3 H2O  We know ,  Number of mole = Mass /  Molar…

Q: When 131. g of benzamide C7H7NO are dissolved in 1300. g of a certain mystery liquid X, the freezing…

A: Answer: Depression in freezing point of a solution containing non-volatile solute is:…

Q: Van der Waals Equation of State The Van der Waals equation of state is: (p+ ²) (V - nb) = nRT Table…

A: Given :-  Volume of CO2 = V = 2.91 L  Moles of CO2 = n = 0.213 mol  Temperature = T = 207 K  From…

Q: Determine the molecular geometry below

A: The molecular geometry of an atom in a molecule depends on the number of sigma bonds (bond electrons…

Q: - A method for the analysis of a metal ion (M2+) in water from the duck pond at Tech suffers from…

A: Given: Analysis of  metal ion M2+ in water Interfering ion= N+2 Concentration of M2+  = 100 times…

Q: The Lewis structure for CH4 is shown. What is the electron-pair geometry and the molecular geometry…

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Q: Classify the following quantities if extensive or intensive property: 4 a.) Temperature b.) Mass c.)…

A: Given quantities: a) Temperature b) Mass c) Weight d) Volume We have to classify these quantities as…

Q: Ordered: Cipro 0.75 gram p.o. q 12h. Available: 500 mg per scored tablets. How many tablets for…

A: Q.1)=> GIVEN:- Ordered:-cipro 0.75 gram p.o. Means we have to give 0.75 gram of in one dose via…

Q: modity the given Draw the remaining fishhook arrow(s) to show the next step in the mechanism a…

A: This is free radical reaction. In this propagation step, C-H bond breaks and H-Br bond formed and…

Q: If 100 grams of CH4 is made to react with 200 grams of O2, what mass of CO2 (in grams) is formed?

A: Given, mass of CH4 react = 100 g mass of O2 react = 200 g mass of CO2 formed = ? Note: molar mass of…

Q: A sample of 65 mg of a perfect gas at 0.800 bar has its volume doubled and its absolute temperature…

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Q: If you have 2.00x10^12 atoms of an element and it weighs 3.94x10^-10g, answer the following…

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Q: OH қ OH -Ph Ph H₂SO4 Ph Ph

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Q: It is often necessary to do calculations using scientific notation when working chemistry problems.…

A: Since, When we calculate the calculation of significant digit then lowest significant digit present…

Q: Q3: Distinguish by the mention of one detector between the compounds with giving the cause and the…

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Q: For parts a and b calculate 1. The formal charge for all the non-hydrogen atoms in the molecules for…

A: Formal charge= Valance electron - unbounded electron - 1/2 bonded electron

Q: A common reference electrode consists of a silver wire coated with AgCl(s) and immersed in 1 M KCl.…

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Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.