Determine the the mass of oxygen formed by the decomposition of 1.252 g of mercury(II) oxide. 2hgo-2hg-+o2

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Q: What is the heat of vaporization in kJ/mol?

A: P1 = 0.217atm P2 = 0.851atm T1 =-54.3°C or  218.85 K T2 = 1.79°C or  274.94 K  

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Q: 9) There are 3 different cyclopropane molecules with the formula GHẠCI2. а. Draw and build the 3 mol...

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Q: Calculate the pH of a 0.048 M solution of the following compounds. NH3. Kp(NH3) = 1.8E-5. eTextbook ...

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Q: Concentrated aqueous HCIO4 has a concentration of 14.8 M. Calculate the concentrations of all ions p...

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Q: A certain amount of benzene (D=0.985 g/ml) was dissolved in 0.5 kg CCl4 to produce a solution (D=2.3...

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Q: A 1.5000-g sample of cereals was analyzed for nitrogen using the Kjeldahl procedure. The receiving f...

A: Answer -

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A: A question based on intermolecular force that is to be accomplished.

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Q: i) Br `Br and ii) -CH(CH,)2 CH¿CH,CH3 and

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Q: Match column A with Column B. Given: Samples were spotted on the TLC plate and after performing the ...

A: This question is related to Thin Layer Chromatography. Thin-layer chromatography (TLC) is a  techniq...

Q: ΔG = ΔG° (always)   Group of answer choices True False

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Q: Determine the concentrations of the following ionic species present in a 0.271M solution of Na2SO3. ...

A: ANSWER : (i) Concentration of OH- ion  =  0.000207 M (ii) Concentration of HSO3- ion  =  0.000207 M ...

Q: What is the Amax of this given structure?

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Q: How many milliosmoles of sodium and how many milliosmoles of chloride are represented in 2 L of 3% h...

A: The milliosmoles of Sodium and chloride can be calculated as

Q: what is the expected mass of the products (5-amino-2-chlorophenol and 4-chloro-3-hydrixyacetanilide)...

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Q: A certain substance A has a boiling point of 78 degrees celsius and substance B has a billing point ...

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Q: Reactions Oxidation / reduction /neither: CH3CH2OH Cro3 CH3CH H2C=CHCCH, + NH3 H2NCH2CH,ÖCH3 > Br 1....

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Q: In the mid-1930s a substance was isolated from a fungus that is a parasite of ryes and other grasses...

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Q: An aqueous solution with 15 g sulfuric acid is dissolved to make 0.2F solution. The specific gravity...

A: 0.2 F solution means 0.2 moles of sulfuric acid is present in 1 L of the solution.

Q: molality

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Q: 1. For each of the following balanced half-reactions, determine whether an oxidation or reduction is...

A: Reactions where oxidation and reduction takes place simultaneously is called a redox reaction

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Q: At 600°C, carbon monoxide gas and hydrogen gas reacts with each other to form methane gas and water ...

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Q: Fermi resonance

A: Option B - Fermi Resonance is Correct

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Q: How many grams of MnO2 (MW = 86.94 g/mol) are needed to react with 25.00 mL of 0.1234 M H2SO4 (MW = ...

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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".