Determine the empirical formula of a compound that has the following mass % composition: 47.31% C, 10.59% H and 42.10% S. Empirical formula:

Q: Consider the reaction CuO(s) + H₂(g) → Cu(s) + H₂O(l) In this reaction, which substances are the…

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Q: 6. The density of copper is 8.96g/cm³ at 25°C. Determine its density in kg/m³. 7. How mot enos al…

A: Given data :  6) density of Cu = 8.96 g/cm3  7) moles of Zn = 0.750mol  Conversions used :  1 g =…

Q: How many mL of a 1.40 M solution contain 21.4 g of magnesium chloride?

A: Given: The molarity of a solution of magnesium chloride = 1.40 M We have to find the volume of the…

Q: 1. How many moles of CO2 are produced when 3.20 moles of O2 are reacted with an excess of butane?…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: Ph HO A

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Q: (a) Find the size of the smallest detail observable in human tissue with 68.0 MHz ultrasound. (Use…

A: 1) Speed of sound through human tissue, C = 1540 m/s Frequency of ultrasound, ν = 68 MHz = 68 x 106…

Q: Stoichiometry WS #1 (DA Review) 1. How many seconds are there in 2.5 years? Palom 2. An average…

A: Using dimensional analysis and unit conversion formulas, final values can be calculated.

Q: Solid manganese(II) acetate is slowly added to 150 mL of a sodium hydroxide solution until the…

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Q: buffer solution prepared wi a of boric acid is 9.24 at 25

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Q: Dr. Patterson General Chemistry II Final Exam- Part 2 1. Consider the second-order reaction…

A: Initial Concentration = 2.00 M  Time, t = 5 minutes or 300 seconds

Q: 1. Which reaction sequence below would work best (and with highest overall yield) in the following…

A: First of all, we brominate the allylic carbon and then reduce the alkene by hydrogen in the presence…

Q: 83Sr is a radioactive isotope. What is the most likely mode of radioactive decay for83Sr? and why

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Q: Question 31 Consider the following reaction at equilibrium. Which manipulation would shift the…

A: This can be explained on the basis of Le-chateliers Principle which states that any type of stress…

Q: Consider the combustion of 5.00 g of C6H14O5 in a 2.00-L cylinder at a constant temperature of 137…

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Q: What is the osmotic pressure of a 0.431 M solution of sodium phosphate (Na₃PO₄) in water at a…

A: Osmotic pressure is the pressure developed on th solution surface due to solute and the vapour…

Q: Write the step-by-step reaction mechanism for the reaction shown below. Draw and name the product:…

A: In friedal craft alkylation reaction carbocation intermediate is formed

Q: A 5.00×10−4 M solution of analyte is placed in a sample cell that has a pathlength of 1.00 cm. At a…

A: The molar absorptivity, also known as the molar extinction coefficient, is a measure of how well a…

Q: What is the pH of a saturated solution of Ni(OH)2? For Ni(OH)2, Ksp = 2.0 X 10-15 4.80 9.20 O 7.00…

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Q: A sample of nitrogen gas occupies 10.0 liters at 25 Celsius and 98.7 kPa. What would be the volume…

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Q: 13) Trinitrotoluene (TNT) is an explosive. It releases 5,076.5 KJ of energy for every mole of TNT.…

A: 13) Decomposition reactions are the reactions in which chemical species break up into simpler parts.…

Q: Use the References to access important values if needed for this question. n automobile engine…

A: First law of of thermodynamics : The change in internal energy is the heat added in the system minus…

Q: A sample has a percent transmittance of 50.0%. What is its absorbance?

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Q: Discuss the stereochemistry of E2 reaction. include example of actual structures provide the name of…

A: Elimination reaction: The chemical reactions in which a group of atoms are removed by the action of…

Q: 1. Draw the structures of all possible isomers for the following complexes. Indicate which isomers…

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Q: The radioactive isotope Sr decays by electron capture. If the mass of a sample of strontium-80…

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Q: Consider the following three-step mechanism for a reaction: Step 1: Cl2(g)2Cl(g), fast Step2:…

A: Rate law is the product of concentrations of the reactents

Q: Draw and name the molecular geometry for the nitrite ion. Be sure to use solid and dashed wedge…

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Q: Schwarzschild Radii. Calculate the Schwarzschild radius (in kilometers) for each of the following.…

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Q: Which of the following is/are likely to undergo rearrangement when heated with ethanol? Select 2…

A: Compounds which are likely to undergo Rearrangement.  Rearrangement occurs when there is a formation…

Q: Determine ∆S for the phase change of 2.42 moles of water from liquid to solid at 0.0 °C. (∆H = -6.01…

A: Given, ∆H = -6.01 kJ/mol T = 0°C = 273+0 K = 273 K Moles = 2.42

Q: (3) HI does not undergo free radical addition with 1-butene, even in the presence of a peroxide.…

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Q: OH Ti(O¹Pr)4 (-)-DET 'BUOOH مار LOH ..OH Dar H₂SO4 (cat) 1. O=S=O 2. NaSCH3

A: Stereochemistry of epoxide depends on the configuration of DET in Sharpless asymmetric epoxidation…

Q: (21) Consider the equilibria below and choose the statement that is NOT true. C₂04² (aq) + H3O+…

A: Answer: This question is based on Le-chatalier's principle which suggests that on changing any…

Q: A student ran the following reaction in the laboratory at 588 K: CO(g) + Cl₂(g) —COCI₂(g) When she…

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Q: Consider the following reaction at 298K. Sn²+ (aq) + Fe (s) → Sn (s) + Fe²+ (aq) Which of the…

A: Answer: Given temperature is 298K, therefore in this question we have to identify the standard state…

Q: H₂C-HC O O CH3 CHO CH3 H₂C-C=CH₂ CH₂ H₂C-C-CH₂ OH Na₂Cr₂O, H₂SO, CH, O 111 H₂C-CH-C-H CH3 O |||…

A: This is an example of oxidation reaction when aldehyde oxidized in presence of strong oxidizing…

Q: Br B Br Compound A undergoes dehydrohalogenation faster than compound B since in the most stable…

A: In this given compounds firstly we have to write down the stable configuration of cyclo hexane.

Q: Given the following reaction CO(g) + 2H₂(g) ⇌ CH₃OH(g) You have a reaction flask that contains a…

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Q: 5. (a) (b) The complex ion NiC4² has two unpaired electrons, whereas Ni(CN)42 is diamagnetic.…

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Q: What are the difference and the definitions of these?

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Q: For the following questions (Q8-Q12), consider the compound tartrazine (Yellow 5 food dye) that has…

A: Mass of tartrazine = 0.1283 g

Q: The complex ion Fe(CN)6³ is paramagnetic with one unpaired electron. The complex ion Fe(SCN)6³ has…

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Q: 1. Identify the type or types of intermolecular forces (London, Dipole-dipole, H bond) present in…

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Q: (NH₄)₂SO₄ has a van't Hoff factor of i = 2.3. What is the concentration of particles in a 0.6101 M…

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Q: 6. The product/s of the reaction of (S)-3-methyl-1-hexene with water with catalytic amount of H2SO4…

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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.