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Q: A 9.500 g sample of CaCl2 XH20 after heating gives an anhydrous residue of 6.348 g. What is the valu...

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Q: 1.Why does the autoionization of water occur? 2.What is the definition of a strong acid? The defini...

A: Note - Since you have posted a question with multiple sub-parts, we will solve the first three subp...

Q: QUESTION 2 The decomposition of hydrogen peroxide is catalyzed by iodide in a two-step process: H202...

A: Rate of reaction depends on slow step reaction, because it is a rate determining step. H2O2 + I ➡️ H...

Q: CHOICES ARE: X N M m n 1.) Which symbol expresses the amount of solute by the amount of solution? ...

A: Here X = mole fraction  N = normality M = molarity m = molality  n = number of moles

Q: Please indicate the orbital hybridization that exists for every carbon in the following   molecules:...

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Q: The units of k come automatically from the calculation, and are always such as to convert the produc...

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Q: Write the formula of the conjugate acid of CH3CO2H

A: We have to tell the conjugate acid of CH3COOH 

Q: 8.2 A leak in a container allows an ideal gas to escape our sample irreversibly and isothermally at ...

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Q: What is the net ionic form of the reaction when zinc sulfate combines with calcium nitrate?

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Q: The following Horner-Wadsworth-Emmons (HWE) reaction does not give a "normal" alkene product, but in...

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Q: Question 2 : Many chemical salts come as hydrated crystals, i.e. there is a specific ratio of wat...

A: Given: Calcium chloride dihydrate; FW = 147.01 g/molA recipe for a buffer that contains = 8% (w/v) C...

Q: Esters are produced by a process which can be characterized as     a. a condensation reaction.  ...

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Q: Using data in Table 1 (see next page), calculate the standard emf for a cell that employs the follow...

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Q: 1.What is the polysaccharide that contains glucose units with a(1→ 4) glycosidic bonds and branches ...

A: Polysaccharides are biomolecules that are made up small units of monosaccharides. The units are link...

Q: To prepare 4 mL of 1.0 M KOH stock solution, measure the mass of two KOH pellets (MW - 56.11 g/mol)....

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Q: 6.) Which species functions as the reducing agent in the following reduction-oxidation reaction?  Zn...

A: Given    Reaction      ZnO(s)  + C(s)  →  Zn(s)  + CO(g) Reducing agent = ?             

Q: Calculate the value of ΔrG for this reaction at this temperature, if O2 and SO2 are present at 0.900...

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Q: 1. Predict the products and balance the resulting equation. HO incomplete O2

A: Phenol react with oxygen gas to form pink colour p-Benzoquinone and water as product. 

Q: Write reactions of 3-hydroxybutanoic acid with the following reagents: a. HBr; b. NaOH

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Q: A buffered solution is prepared containing acetic acid, HC2H3O2, and sodium acetate, NaC2H3O2, both ...

A: Buffer is a solution that resists the change in pH when small amount of acid or base is added to it.

Q: 17) Determine the volume of O2 (at STP) formed when 50.0 g of KClO3 decomposes according to the foll...

A: Volume of O2 is determined by applying stoichiometry on the given chemical reaction. 

Q: Consider a mixture of two alkanes, namely Propane C3H8 and Dodecane C12H26. Calculate the ratio of g...

A: Given that a mixture of two alkanes,namely PropaneC3H8 and DodecaneC12H26 are present in a fuel. We ...

Q: Cive the oxidation number of the underlined element in the following compounds and show your calcula...

A: Oxidation number or oxidation state of an atom/ion is defined as the number of electrons an atom/ion...

Q: The formation of nitrogen monoxide from molecular nitrogen and oxygen molecular at ambient condition...

A: The given reaction is  N2 + O2 <<--->>>2NO  So the forward reaction is  N2 + O2 ---&g...

Q: 크) OH OH

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Q: me following:- 1-Scientists classified elements in order to a relationship between elemenets and the...

A: Nature consists of a large number of elements. Scientists study their properties and while studying ...

Q: Aside from the features, you can also determine the normal melting and boiling points in the phase  ...

A: Phase Diagram of Carbon dioxide is given. A - Solid Phase B - Liquid phase C - Gas phase Normal boil...

Q: NH3 is a weak base (K, = 1.8 × 10-5) and so the salt NHCI acts as a weak acid. What is the pH of a s...

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Q: homologous series of alkyl chlorides (R-Cl) having from one to six carbons

A: In the homologous series compounds have chemical properties and functional group with same general f...

Q: Part Il- Synthesized Aspirin Trial 1 Trial 2 Mass of aspirin (g) Theoretical moles Show calculations...

A: Solving for Part II - Synthesized aspirin

Q: What is the mass in grams of 3.60 mol of lactic acid (C3H6O3), the compound responsible for the achi...

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Q: The first stage in extracting aromatic hydrocarbons from coal is called     a. pyrolysis.   b. ...

A: On heating the coal in absent of O2 , at first coal tar was distilled. From the coal tar the aromati...

Q: The electrolysis of AℓCℓ3 at high temperature produces aluminium metal. If a constant electrical cur...

A: Given: current = 10 × 103 mA Or current = 10 × 103 × 10-3 A Or current = 10 A And time = 1 hour = 36...

Q: 9. Consider the following pairs of compounds. For which pairs can simple dis- tillation be used, and...

A: Simple distillation is the method used to separate substances in mixtures having  significantly high...

Q: QUESTION 10 The questions that follow refer to this chain reaction mechanism: (1) Cl 2→ 2CI- (2) CI ...

A: Step 4 is termination step .

Q: 12. A buffer solution may be a mixture of a. a weak acid and its salt b. a weak base and its salt C....

A: Few questions based on equilibrium concept, which is to be accomplished.

Q: OH NH2 OH SOCI2 CH3NH2, A B Excess HO, Нeat OH 0=

A: Dicarboxylic acid gives anhydrides on heating and carboxylic acid gives acid chloride in the presenc...

Q: If the gasoline used is 1 L and the amount of oxygen is in excess , how much CO2 (g) and H2O (g) ste...

A: Gasoline is a fuel which is mainly consists of octane. Octane is a eight membered alkane having mole...

Q: 1. Write reactions of butane with the following reagents: a. Br2/t °C; b. KMnO4/ H2O/20 °C

A: Alkane are hydrocarbon which are mainly saturated 

Q: Question 1 1 Consider the following reaction: Cl2(g) + 2NO(g) = 2NOC{(g) 1.1 Determine the estimated...

A: Given Cl2(g) + 2NO(g) -----> 2NOCl(g)

Q: (H)R R(H) Н2 / Pd (H)R' R(H) Еxamples H2 / Pd H2C=CH2 a. Н2/ Pd b. 2 H2 / Pd с.

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Q: Calculate the number of kilowatt-hours

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Q: QUESTION 13 Given the reaction 2N 20 5(g) → 4NO 2(g) + O 2(g), the rate of reaction based on N 20 5(...

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Q: What is the mass in grams of 7.3 x 1024 molecules of lactic acid (C3H6O3), the compound responsible ...

A: Given;

Q: 1) Calculate the theoretical percent water in the following hydrates. (a) chromium(III) chloride hex...

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Q: Examples HI a. HCI b. HBr HI d.

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Q: Identify the type of gas law in each problem given. Then, solve for the unknown quantity. Supply the...

A: 2. Given:  

Q: adding

A: Mmol of Acid(HNO2)= M × V(mL)        = 0.10 × 50.0 = 5.0 mmol Mmol of NaOH = M × V(mL)              ...

Q: Calculate the number of moles of 2.871 g of lead (11) Carbonate

A: 1 mole = 6.022×1023 [Avogadro's number]  The mass of 1 mole of molecules of a substance is known as ...

Q: To find the Ce4+ content of a solid, 8.201 g were dissolved and treated with excess iodate to precip...

A: Answer :-  Weight percent of Ce in the original solid = 4.51%  -------------------------------------...