Given the unbalanced equation: C6H6 + O2 ---> H2O   + CO2. When properly balanced, the coefficient of H2O is:

Q: Example 2: Carbon dioxide (2.5 mol) reacts with lithium hydroxide (3.75 mol) to form lithium…

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Q: 2. A cell can be prepared from copper and tin. What is the E°cell for the cell that forms from the…

A: Given,  A cell can be prepared from copper and tin. What is the E°cell for the cell that forms from…

Q: What mass of CASO4 will precipitate after mixing 50.0 mL of 0.020 M Ca(NO3)2 with 50.0 mL of 0.0080…

A: Ksp of CaSO4 = 7.1 x 10-5 Molarity of Ca(NO3)2 = 0.020 M Volume of Ca(NO3)2 = 50.0 mL Molarity of…

Q: Describe the Bohr model of the atom, including quantization and emission spectra. (b) Discuss the…

A: SUCCESSES OF BOHR MODEL = Bohr theory modified the atomic structure model by explaining that…

Q: E is the change in enthalpy associated with the change in the r's temperature? The specific heat of…

A: Change in enthalpy= -mc∆T m= mass of water  c = specific heat  ∆T = change in temperature

Q: Consider this ionic isotope. The identity of the element is missing. 2+ 39 20 Which three statements…

A: In the given question we have to identify the three statement for the given ionic isotope.  it has…

Q: Find the pH of a 0.0025 M HCl solution.

A: Here we are required to find the pH of 0.0025M of HCl solution

Q: In the decay series of thorium-232, thorium-232 decays to radium-224 and then to radon-220. What…

A: Given, In the decay series of thorium-232, thorium-232 decays to radium-224 and then to radon-220.

Q: How many moles of calcium chloride are present in 120. g of calcium chloride?

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Q: In the United states densities are sometimes given in the unit Ib.ft. At 20 °C, what is the density…

A: The solutions are given below -

Q: Lithium/iodine batteries are commonly used in pacemakers. The chemical reaction involved in this…

A: Detail description is given below

Q: To do: Identify the oxidizing agent and reducing agent in the reactions. 1.…

A: Oxidising agent oxidizes the other species but itself gets reduced.  reducing agent reduces the…

Q: The heat of combustion for C2H4 (28.05 g/mol) is -1411 kJ/mol. Calculate how much heat is released…

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Q: Show solutions. Answer all item. Show oxidation number per element and sum of oxidation number per…

A: Following question show reaction oxidation and reduction and oxidised agent and reducing agent…

Q: Which of the following does not describe beta particles? A. Beta particles can be stopped by a sheet…

A: Beta particle (β) is a type of high speed radiation with a negative charge.

Q: 1. Melting point technique 2. Recrystallization technique| 3. Extraction (understand how to separate…

A: As per the guideline, since you have asked multiple questions, we have solved the first question for…

Q: The name of the product of this reaction is: SOCI, CH,CH,CH,OH HO

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Q: 10. Based on the VSEPR theory, a molecule MCI3 was found to have sp’ hybridization at the central…

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Q: QUESTION 10 Which of the following is true for the H-X-H bond angel for the following molecules…

A: To solve this problem we have to know about bond angle of given compound .

Q: If the pH of a 0.800 M solution of the acid HA is 3.45, calculate 1) the % ionization of this acid…

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Q: (b) 1. SOCI2 H. OEt ОН 2. NaN3, heat 3. ELOH i) draw the products after the first and second step…

A: The first step is the conversion of carboxylic acid to acyl chloride by reacting with thionyl…

Q: Chemistry Calculate A)Mass of cold water (g) B)Mass of hot water (g) C)Calorimeter constant (J/C).

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Q: 3. Answer all parts (a) Consider the two reactions in the scheme below: Br NaN3 DMF Product and…

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Q: Determine the wavelength of light (in nm) emitted when an electron in the hydrogen atom transitions…

A: Here we are required to find the wavelength of light emitted when an electron in hydrogen atom…

Q: 243 + He → 2 žn + 2 Bk 214 84 Po+ 2 He + 2 _je >

A:

Q: 18. Why is the neutron to proton ratio so important? Scientists made up this concept because they…

A: The correct answer about n/p ratio is given below

Q: (b) Calculate the pH of 0.0005 mol dm-3 ethanois acid when its pKa = 4.75 CH3COO (a H(a + CH;COOH()…

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Q: 7. What is the symbol for a positron? +1 e -1 +1

A: Positron is particle which don't have any mass but it has unit positive charge .

Q: 2800-3000 9. rcle the chiral carbons in this molecule: CI H-C CH. Br Ci 10 These two structures,…

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Q: 1) Separation Techniques: Molecular and Transport Properties & Factors for Feasible Separations For…

A: a) Chloroform - Water -  The mixture of Chloroform and water can be separated by following methods -…

Q: The following diagrams contain one or more of the compounds: H,A, NaHA, and Na A, where H2A is a…

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Q: Rank these hydrogens as to acidity. H;C HO. нн A C A most, C least O C most, B least O A most, B…

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Q: For the reaction M9CO3 (s)-MgO (s) + CO2 (g) we can say that it is a reaction; spontaneous not…

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Q: ouer which of the. following ismot c strong aciel 2 andwry 2 CD HCI04 Hel O CHCOO4

A: To solve this problem we have to know about strong and weak acid .  Strong acid : The acid which…

Q: 2. A carbonate buffer of pH 10 is needed by a chemist. How many grams of Na,CO, is needed to…

A:

Q: What is the hydronium ion concentration in a solution that has a pH of 8.34?

A: Given: pH = 8.34  Find concentration of Hydronium ion [ H3O+ ]

Q: The radius of the oxygen anion (O“) at 140 pm (larger than the neutral atom, 66 pm). On the other…

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Q: |(II) Dr. Satyam was mixing Lead with the pure silver (100% w/w). Following the addition of lead,…

A: Lead silver system

Q: Which of these is aromatic

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Q: Given the data, what pressure would the butane gas sample have at a volume of 135.0ml? Please show…

A: According to Boyle's law, at constant temperature(T) and the number of moles of gas(n), the…

Q: What is true about this chiral carbon shown in a Fischer projection? H;C CH3 CH3 CH3 CH3 H3C CH3

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Q: Example 1: Ethanoic acid (1 mol) reacts with sodium hydrogen carbonate (2 mol) to produce sodium…

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Q: 17) A coffee-cup calorimeter is filled with 200.0 mL of water at 22.1 °C. A piece of metal at 48.6…

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Q: Consider the disulfide bond formation reaction via the oxidation of thiols along with the H-NMR…

A: The proton NMR helps to find the no of different types of protons present in a given molecule.

Q: Calculate Enthalpy of fusion and entropy of fusion

A: When a phase change of a substance takes place , heat changes also takes place, the heat change per…

Q: in 95.0 g of solution with water as the solvent. The vapor pressure of water was 23.8 Torr at 2!

A:

Q: Determine

A: Given,  ΔHf0  NaCl  =  - 411.0  kJ/mol ΔHf0 H2O  = - 285.8 kJ/mol ΔHf0 HCl  =  - 92.3 kJ/mol ΔHf0…

Q: (References) If 0.00864 mol neon gas at a particular temperature and pressure occupies a volume of…

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Q: Sr-90 has [ Select ] neutrons than Y-91

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Q: 11. (a) What part of the original Bohr model still seems to be well supported by experimental…

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".