In the decomposition of hydrogen peroxide, the percentage yield of oxygen is 93.0%. What is the actual yield in grams of oxygen if you start with 100. g of H2O2? The reaction proceeds according to the equation 2H2O2(l)2H2O(l) + O2(g)

Q: In order to form Ba(103)2, 500 mL of 0.5000 M Ba(NO3)2 was mixed with 500 mL of 0.0500 M NalO3. Ksp=...

A: Given: Volume of Ba(NO3)2 = 500 mL Molarity of Ba(NO3)2 = 0.5000 M Volume of NaIO3 = 500 mL Molarity...

Q: following bonds. Bond Electronegativity difference Bond type Br.CL 4. H-S 5. Н-С 6. C-O 7. K-Br

A: Hint : Polarity of a bond depends on electronegativity difference of two bonded atoms.    If  ∆EN &l...

Q: Calculate the fluoride ion concentration of a solution that is 0.20 M in HF Ka , HF = 6.7 x 10 -4

A: Given: The concentration of HF=0.20M Ka of HF=6.7 x 10 -4   The concentration of fluoride ion=?

Q: The pure D-form of a compound has a specific rotation (D line of sodium, 20° C) of +24°, whereas the...

A: First of all we need to calculate the enantiomeric excess by substracting minor from the major enant...

Q: The atomic radius of an atom that is present in a BCC unit cell having a lattice parameter of 4.5 A ...

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Q: Fill in the missing information-reactants or products-in each of the following reactions. F. a) n ra...

A: Solution                            Given that  Find missing information reactants and products = ?

Q: entropy: C2E entropy

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Q: pl•K) AGO

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Q: OH HO. NH2

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Q: = or endothermic?

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Q: A(g) Analyze when this reaction is spontaneous (i.e. spontaneous at high temperature, always spontan...

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Q: acid base titration

A: In this question we have to explain that how does a redox titration differ from an acid base titrati...

Q: How much KBr could dissolve in 50 g of H2O at 70ºC?

A: Solution is mainly of three types:-  Unsaturated solution  Saturated solution  Supersaturated soluti...

Q: Phosgene (COCI,) reacts with formaldehyde in the following reaction to produce dichloromethane and c...

A: A question based on kinetics of reaction in solutions that is to be accomplished.

Q: 19.975 ģ Ar gas is compressed isothermally at 25 0C from 500 cm3 to 100 cm3. Calculate w when this c...

A:

Q: Part A A sample of pure NO2 is heated to 334 °C at which temperature it partially dissociates accord...

A:    2NO2(g) ⇔ 2NO(g) + O2(g) Density of reaction mixture = 0.520 g/L Temperature = 334 oC = 607 K Gas...

Q: Draw Lewis structures for each of the following. Use the DEN and the number of REDs around the centr...

A: Lewis Structure is a very simple representation of the valence shell electrons in a molecule.

Q: Consider the following reaction which produces phosgene, a toxic gas used in WWI. CO (g) + Cl2 (g)...

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Q: Hydrochloric acid can be prepared by the following reaction: 2NACI(s) + H2S04(aq) 2HCI(g) + Na2SO4(s...

A: 2NaCl (s) + H2SO4(aq) -----> 2HCl(g) + Na2SO4(s) Number of moles of H2SO4 = 2 mol Mass of NaCl = ...

Q: Calculate the Amax of the efhanolic solufion of the following compound.

A: 273 nm is the answer.

Q: Which of the following Fischer projections corresponds to the compound shown below?

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Q: You need to prepare 2 methanol solutions for lab today: 300mL of 50% (v/v) methanol and 200mL of 25%...

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Q: [References] try Without doing any calculations, match the following thermodynamic properties with t...

A: Please find your solution below : Endothermic reaction is the reaction in which heat is absorbed and...

Q: At 25 °C the vapour pressure of ethanol, C2H5OH, is 0.08 atm. What is vapour pressure of a solution ...

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Q: In order to form Ba(IO3)2, 500 mL of 0.5000 M Ba(NO3)2 was mixed with 500 mL of 0.0500 M NaIO3.   ...

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Q: thermometer- A 56.5 g sample of iron is put into a calorimeter (see sketch at right) that contains 2...

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Q: Buret contains NaOH solution *Sodium hydroxide solution: To 1 part reagent grade NAOH add 1 part dis...

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Q: Photosynthesis in plants converts carbon dioxide and water into glucose (C,H1¿O¿) and according to t...

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Q: Data The following tables include calculated as well as observed and recorded data for Part 1 and Pa...

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Q: The structure is an ethanolamine plasmalogen. Test for unsaturation were done. What are the results ...

A: When a molecule has carbon and hydrogen without any other specific atoms is termed as a hydrocarbon....

Q: Define the following terms thoroughly: Atomic number Mass number Isotopes

A: Atom is the smallest unit which can not be further divided in to any other tiny particle.

Q: The reaction of methylpropene with HBr, under radical conditions, gives twO intermediates. Propose a...

A: Given:-

Q: Pick the correct answer. Assume equal concentration of solutions. As the pK, of a series of weak aci...

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Q: ОН 1. TBSCI а. imidazole, CH2Cl2 A DMF, -18 °C to rt 2. NalO4, CH2Cl2 80% НО OH large excess

A: We have to give the product of the given reaction. We know that the TBSCl is used to protect the pri...

Q: Ascorbic acid is one form of vitamin C and is known to contain only carbon, hydrogen, and oxygen. th...

A: Given,  The mass percent of Carbon = 40.91%  Hydrogen = 4.578% and Oxygen = 54.50% The mass of the c...

Q: A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gas...

A: As energy is absorbed so the given reaction is endothermic reaction.  In this process energy is abso...

Q: CF2Cl2 CFCl3 C2F3Cl3 CF3Cl How many grams of Cl are in 32.2g of each sample of chlorofluorocarbons (...

A: Molar mass of CF2Cl2 = 120.91 g/mol Molar mass of CFCl3 = 137.36 g/mol Molar mass of C2F3Cl3 = 187.3...

Q: Order the following compounds with respect to SN1 reactivity: Br CBr CH CH3 CH2BR

A: The SN1 reaction are the substituted reactions. These reaction will be proceed by the formation of a...

Q: which numbers are the chiral centers pls explain why

A: chiral= carbon number ( 2,3 & 5 ) achiral= carbon number 1, 4 & 6.

Q: 1. A solution containing 50% KOH is fed at a rate of 1000 mol/h to an evaporator to produce a concen...

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Q: O CHEMICAL REACTIONS Percent yield of chemical reactions seous ethane (CH,CH,) reacts with gaseous o...

A: Given: Mass of ethane=1.80 g Mass of oxygen gas=12.1 g Mass of water=0.971 g Chemical equation: 2CH3...

Q: Given the Kb of C6H5NH3+ is 3.98x10-10 : 1.) What is the [H3O+] concentration in a solution that is...

A: Given,  Given the Kb of C6H5NH2  is 3.98x10-10 : The [H3O+] concentration in a solution that is...

Q: A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains 4....

A: The mass of the water is = 4.40 kg = 4400 g The initial temperature of the water bath is = 39.2oC Th...

Q: Calculate the molality of a solution prepared from 30.25 grams of NaOH (sodium hydroxide) in 5.00 ki...

A: Since you have asked multiple question, we will solve the first question for you.If you want any spe...

Q: how many electrons does P have?

A: Phosphorus(P) have atomic number 15  so it hsve 15 electron

Q: True or False: 1. The initial concentration of an intermediate is assumed as 0 when using steady-s...

A: In a case where the reactions are investigated under such conditions that the slowest rate-determini...

Q: The solubility of which salts would be decreased by the addition of Na2CO3? Select all that apply. С...

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Q: for the fischer projection, how do we number the configurations? for this one, I didn't know if it w...

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Q: A sample of mixture of CaCO3(s) decomposed: CACO3(9) CaO(s) Сао, + 2NaHCO3(s) Na,C

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Q: 1) The pH of a solution is 3.4. Calculate [H3O+] for this solution. 2) Calculate the pKa of hypobro...

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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".