Determine the concentration of A in 2A -> product second order reaction after 45 seconds. Use the given initial concentration of 4.010 and k= 0.455

Q: The density of silver is 10.5 g/cm3. A piece of silver that occupies a volume of 23.6 cm3 would have...

A: Density of silver = 10.5 g/cm3  Volume of silver = 23.6 cm3  Mass of silver = ? 

Q: Given the dissociation constants for each deprotonation, what is the dissociation constant for the o...

A: H3PO4 + H2O ↔ H2PO4- + H3O+..............1  ka =7.11 ×10-3H2PO4- + H2O ↔ HPO42- + H3O+ ................

Q: Calculate the amount of heat needed to boil 30.2g of water (H2O), beginning from a temperature of  ...

A: Answer: To boil the water over here, we need to increase the temperature of the sample to its boilin...

Q: In the presence of excess thiocyanate ion, SCN-, the following reaction is first order in iron(III)...

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Q: A reactant decomposes with a half-life of 149 s when its initial concentration is 0.312 M. When the ...

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Q: will have the highest boiling point. O 3,4-Diethyl-octane-1,1-diol Decane O 2,3-Dimethyl-1-octanol O...

A: Boiling point:The temperature at which the vapor pressure of a liquid becomes equal to the atmospher...

Q: One water molecule can donate a proton to another in a process called the equilibrium constant expre...

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Q: Stereoisomers print/draw the expanded structure of 4-bromo-4-ethylhept-1-ene. Calculate the maximum ...

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Q: Which of the following is/are TRUE about Galvanic cell? I. The Gibbs Free Energy of the cell is nega...

A: In a galvanic cell, the anode is negatively charged and the cathode is positively charged. 

Q: CF3SO3H (aq) HCI

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Q: Question 2 The molar conductivity at infinite dilution of hydrobromic acid, sodium acetate, & sodium...

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Q: A plot of Gibbs Energy against the extent of reaction has been constructed. Which point in the graph...

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Q: The height of the column in a mercury barometer is independent of the A. Atmospheric pressure C. Dia...

A: Given: To explain to independency of the height of the column in a mercury barometer.  

Q: The average atomic weight of copper, which has two naturally occurring isotopes, is 63.5. One of the...

A: Given, The average atomic weight of copper  is 63.5. One of the isotopes has an atomic weight of 62....

Q: Write the equation that shows how ammonia acts as a Brønsted-Lowry base in water. Express your answe...

A: Write the equation that shows how ammonia acts as a Brønsted-Lowry base in water.

Q: Ammonium phosphate ((NH) PO) is an important ingredient in many solid fertilizers. It can be made by...

A: The reaction of phosphoric acid with liquid ammonia is, H3PO4 + 3NH3 → (NH4)33PO4  

Q: Which type of hydrocarbon is represented by this structure? H. H. H. H. Select the correct answer be...

A: ANS. aromatic hydrocarbon

Q: Green plants use light from the Sun to drive photosynthesis. Photosynthesis is a chemical reaction i...

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Q: Question 2 The molar conductivity at infinite dilution of hydrobromic acid, sodium acetate, & sodium...

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Q: The hydroxide ion concentration, [OH-], of an aqueous solution of 0.429 M methylamine (a weak base w...

A: The base which does not dissociate completely in aqueous solution is called weak base. Using the kb ...

Q: The production of an ether from an alkyl halide. O nucleophilic substitution reaction O radical subs...

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Q: Question 7 of 39 What is the correct IUPAC name for the compound shown here? 2-methyl ane onal resou...

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Q: 2. Name the following hydrocarbons using the IUPAC system: -COOH е. CH2 CH2 H3C. CH3 f. CH3 CH3 g.

A: 1. Select the principle carbon chain 2. Numbering 3. Naming (prefix + word root + suffix)

Q: Which of the following alkyl halides will react fastest with CH3OH in an SN1 mechanism? CI II II IV ...

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Q: What are the AHrxn and ASrxn values that indicate a spontaneous reaction at all temperatures? O AHrx...

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Q: Methanol (CH3OH) burns in air according to the equation 2CH3OH + 302 2CO2 + 4H20 If 189 g of methano...

A: Given : Mass of methanol = 189g

Q: Sample: Soditum AcetateM 9.65 pH (obtained by pH meter) = Reaction needed to predict pH: Equilibrium...

A: Sodium acetate is a salt of weak acid, acetic acid and strong base, sodium hydroxide. The concentrat...

Q: Question 14 Nitrogen dioxide decomposes according to the reaction: 2 NO2(g) + 2 NO(9) + O2(9); Kp = ...

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Q: What is polarity in chemistry

A: It is a physical property of compound which relates other physical properties such as melting point,...

Q: IV. Laboratory Report: (Parts 1,4,5 are typed.) 1. Title page including the average calculated value...

A: Given: Titration KHP (g) Vfinal (mL) Vinitial (mL) Vtotal NaOH(mL) 1 0.7430 33 0.0 33.00 2 0....

Q: (d) Br. HCI (е) H3CO HCI H3CO (f) F3C HCI F3C

A: We need to form the product from the given  alkenes that react with HCl. The products and reaction m...

Q: The following data were acquired in an iodination experiment involving acetone. Reaction times are f...

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Q: At 25 °C, the equilibrium partial pressures for the reaction A(g) + 2 B(g) = C(g)+D(g) were found to...

A: Given, A(g) + 2B(g) ⇌ C(g) + D(g) Equilibrium partial pressure for all the above species: PA = 4.22 ...

Q: QUESTION 4 Which of the following compounds cannot hydrogen bond? O CH3NH2 OCH3CH(OH)CH3 O (CH3CH2CH...

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Q: You are asked to identify an unknown salt. You weigh out 5.00 grams of the unknown, and place it in ...

A: Answer is as follows. :  

Q: What is the pH of a solution that has a hydrogen ion concentration of  1.6×10−8 M ?

A: Given :- hydrogen ion concentration i.e. [H+] = 1.6 × 10-8 M  To determine :- pH of solution

Q: The analysis of a compound gives the following percent composition by mass: C: 57.28 percent; H: 9.3...

A: Let the mass of compound = 100 gram Therefore., Molar Mass of Carbon = 57.28 gram Mass of Hydrogen =...

Q: Question 27 of 27 > H -H- H. Answer Bank nonpolar polar H- -F: :CI Be -CI: H. Which of the molecules...

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Q: A cylindrical glass tube of length 25.75 cm and radius 2 cm is filled with argon gas. The Empty tube...

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Q: Using the necessary inorganic reagents, propose the synthesis for 2,5-diphenylfuran from benzene and...

A: Here we to synthesize 2,5-diphenylfuran from starting material benzene and succinic acid.

Q: A sorption study of Cd2+ on a loamy sand yielded the following results measured when the system was ...

A: We are given A sorption study of Cd2+ ion and We have to determine the Kd for this system

Q: The AGʻrxn for the reaction: N2(g) + O2(9) → 2 NO(g) is +173 kJ/mol at 25 °C What is the equilibrium...

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Q: 7. At room temperature cyclopentadiene reacts with itself to form dicyclopentadiene in a Diels-Alder...

A: The answer is given below

Q: How many grams of calcium phosphate contains 2.15 moles?

A: Given :- number of moles of calcium phosphate =  2.15 mol  To calculate :- mass of calcium phosphate...

Q: confidence? Q critical = experimental Q = Therefore ______ (yes or no) the suspicious data can be re...

A: Firstly, the N values comprising the set of observations under examination are arranged in ascending...

Q: In the reaction 2 K + Cl2 → 2 KCl, how many moles of KCl can be formed from 0.35 mol Cl2?

A: Potassium metal reacts with chlorine gas to form potassium chloride. The equation for the balanced c...

Q: When is the fugacity equal to the partial pressure of a gas? O Fugacity is equal to partial pressure...

A: Given : We have to explain whether fugacity is equal to partial pressure of gas.

Q: Identify the IUPAC Name of the following compounds.

A: Given compound: (1)  The numbering of the main carbon chain can be done as follows:

Q: an aqueous solution at about 25 °C. Complete the table. That is, fill in any missing entries in the ...

A: the pH of the solution depends on the concentration of H+ ions. 

Q: Question 25 of 39 Submit What is the correct systematic name for the compound shown here? CH2 /CH3 t...

A: 1. Select the principle carbon chain 2. Numbering 3. Naming (prefix + word root + suffix)