Convert 1.5 x 1023 molecules SO2 to moles.

Q: (w/w)

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Q: What is the pH of a solution that is  0.41 M in sodium acetate and 0.65 M in acetic acid? (for aceti...

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The buffe...

Q: a It has two starting reactants forming a single product. b. It has three steps. c The third step is...

A: Answer: This diagram is based on collision theory, according to which, to form a product, two molecu...

Q: Select the transition that results in emitted light with the shortest wavelength. On = 6 to n = 5 On...

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Q: A 0.8382 g sample of an organic compound was burned in a stream of oxygen, and the carbon dioxide pr...

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Q: What exactly is SEO?

A:                                   Answer  What exactly is SEO its means  Search engine optimization 

Q: What is the pH of the solution obtained by mixing 65.00 mL of 0.220 MM HCl and 60.00 mL of 0.125 ...

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Q: Identify whether there will be an increase or a decrease in entropy for the system. Nitrogen gas rea...

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Q: A chemistry student weighs out 0.105 g of sulfurous acid (H,SO,), a diprotic acid, into a 250. mL vo...

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Q: A 50.0 mg sample was dissolved in acid and then diluted to a total volume of 50.00 mL. If 1.000 mL o...

A: In spectrophotometric measurements of analyte concentration, measured absorbance related to the conc...

Q: Consider the reaction for the formation of aluminum oxide from aluminum and oxygen. 4 Al(s) + 30, (g...

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Q: 4. What mass of Cu(10,); can be formed from 0.5000g of Cuso, SH,0?

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Q: 15. The reaction N2O49) = 2NO29) is allowed to reach equilibrium in chloroform solution at 25.0°C. T...

A: Answer: Given decomposition reaction of N2O4 is shown below: N2O4(g)→2NO2(g) It means, 1 mole of N2O...

Q: Br H.

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Q: If a rock contains 75% lead 206 (Pb206) and 25% uranium 238 (U238), how old is the rock? Explain ho...

A: The question is from radioactive Series. Uranium -238is a radioactive element that converts to pb-20...

Q: Denise Guinn THIRD EDITION presented by Macmillan Learning A metal object with mass of 20.1 g is hea...

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Q: Write the equation for the preparation of soap from stearic acid and NaOH. Explain the reaction.

A: Given,  Write the equation for the preparation of soap from stearic acid and NaOH. Explain the react...

Q: 2,3-Dimethylfumaric acid has a molecular formula C6H8O4. It undergoes oxidative cleavage to form two...

A: GIVEN:- 2,3-Dimethylfumaric acid has a molecular formula C6H8O4. It undergoes oxidative cleavage to ...

Q: Quantum numbers

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Q: 6. Enumerate and describe the types of precipitates. 7. How will you control the size of precipitate...

A: 6) Precipitation is the process of transforming a dissolved substance into an insoluble solid from a...

Q: 1. Predict whether the following solutions are acidic, basic, or neutral. Provide explanations to su...

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Q: Each of the IR spectra below is from one of the following compounds. Match the compound with the spe...

A: By carefully observing the peaks in the given IR spectra, we can determine the functionality present...

Q: Covalent bonding occurs between nonmetallic elements. True or false?

A: Covalent bond is formed by sharing of electrons. 

Q: What are the criteria for buffer system?

A: Buffer system - - > Buffer system is defined as a solution which resist the change in pH when add...

Q: Why is adding mineral oil necessary during process of esterification?

A: A mineral acid catalyst is generally needed to make the reaction occur at a very useful rate. Esters...

Q: 3. Draw the splitting diagram for the indicated hydrogen and determine the expected splitting patter...

A: Well, in order to draw splitting pattern we need to look the neighbouring protons which are responsi...

Q: Enter your answer in the provided box. Given the same reactant concentrations, the reaction CO(g) + ...

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Q: The equilibrium-constant expression depends on the __________ of the reaction. Group of answer choi...

A: Equilibrium constant can be defined as ratio of equilibrium concentration of products to equilibrium...

Q: The average concentration of sodium ion and sulfate ion in sea water are 1.15ppm and 250ppm respecti...

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Q: Identify the best reagent(s) to perform the following transformation? CEN CH3 O Cro3, H2S04, H20 O 1...

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Q: 18. Consider the following reaction which has a has Ke = 0.054 at a certain temperature: PCISG) = PC...

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Q: The greater the molar heat of vaporization of a liquid, the greater its vapor pressure. Is this true...

A: Molar heat of vapourisation is the amount of heat required to convert 1 mole of liquid into gas.  

Q: 18. Consider the following reaction which has a has Kc = 0.054 at a certain temperature: PCISG) = PC...

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Q: iven that the density of air at 740 Torr and 27C is 1.146 g/L, calculate the mole fraction and al pr...

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Q: 3. Find the specific heat of a steel that has a mass of 1.57 kg absorbs net thermal energy of 2.5\ti...

A: Answer:- We can determined specific heat of  steel by using q=mc∆T ...

Q: Calculate the Mg (OH) 2 content of MOM, 13.2 g of which was dissolved in 55.00 mL of 1.2642 N H2S04 ...

A: Mg(OH)2 is first reacted with H2SO4. The excess H2SO4 is then reacted with NaH.

Q: 3. What is particulate gravimetry? When do we use this technique?

A: As per bartleby guidelines I answered only first question so please don't mind.Thanks in advance. 

Q: 2. In an attempt to determine the accurate value of the gas constant, R, a student heated a containe...

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Q: Titrations are generally both more accurate and more precise the smaller the concentration of titran...

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Q: A 10.0 g of calcium chloride dihydrate, CaCl2•2H2O, in enough water to make exactly 500.0 mL of solu...

A: Given  Mass of solute( CaCl2.2H2O) = 10.0 g Volume of solution = 500.0 mL    = (500/1000) L We know ...

Q: e rate constant fo

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Q: Part I. Evaluate each statement and determine whether it is true or false. 1. A substance that can a...

A: According to the Arrhenius theory, the substance that gives hydrogen ion H+ in the aqueous solution ...

Q: What is the Ksp expression for the following reaction? Bi2S3(s) ⇄ 2 Bi3+(aq) + 3 S2−(aq) Group of ...

A:   A SOLID cannot express a concentration, and thus the expression simplifies to  Ksp = [Bi3+]2[S2−]3

Q: If concentration is in mol/L and time is in seconds, what will be the units of the rate constant k f...

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Q: predict the products for the following reaction and propose an electron pushing mechanism

A: The Baeyer-Villiger Oxidation is the oxidative cleavage of a carbon-carbon bond adjacent to a carbon...

Q: Compute the E°cell and determine whether spontaneous or not. A. Fe and Cu B. Pb and Cu C. Zn and Cu

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Q: 9. The % w/w of I- in a 0.2144-g sample was determined by Volhard titration. After adding 50.00 mL o...

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Q: During the first plateau why doesn't the pH change much with the addition of NaOH? Why do we choose ...

A: A titration is the process of determining the quantity of a substance A by adding measured increment...

Q: 6. A buffer is prepared by adding 20.0 g of sodium acetate (CH3COONa) to 500 mL of a 0.150 M acetic ...

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.