For the first-order reaction, A products, if half of the initial concentration of A reacts in 20 min, then the remaining half will completely react in the next 20 min.

Q: A buffer is made up of equal volumes of 0.1 M weak acid (AH) and 0.1 M conjugate base (A minus). The...

A: pH of solution = 4.6  Concentration of weak acid = 0.1M Concentration of Conjugate base = 0.1M

Q: ich statement DOES NOT pry? (1) The gas particles are relatively far apart and have negligible volum...

A: Since you have posted multiple questions ae per guidelines we can answer only one per session. If yo...

Q: Which of the following substances contain the greatest amount of empty space between their constitue...

A: Space between the constituent molecules in different phases (solid, liquid and gas)

Q: Determine the rate law for the reaction: 2 NO(g) + 2 H2(g) N2(g) + 2 H2O(g) Using the method of init...

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Q: What are the components of the buffer solution when 0.15 mol H3P04 is mixed with 0.05 mol NaOH? P H2...

A: Given : We have to tell what are the components of buffer solution .

Q: Determine the concentration of the stock solution in molarity from which 50.0 mL was taken in order ...

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Q: calculate the degree of unsaturation and draw structures that would meet the following descriptions

A: We have to find the structure of C10H10O2 which contain an aromatic ring one hydroxyl group and a ke...

Q: Using dimensional analysis convert 6.5in^2/sec to min^2/sec . Show your work step by step.

A: We have to convert ., 6.5 inch2/second to milliinch2/second  

Q: Which of the following substances possess an internal structure of its constituent molecules that co...

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Q: 17. What is the new volume when 8.0L of gas at 50°C and 120 kPa are heated to 60° C and 140 kpa? (Sh...

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Q: 1. An aqueous solution with 15 g sulfuric acid is dissolved to make 0.2F solution. The specific grav...

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

Q: Question 15 Given these molecular weights of only nonpolar and non-ionic molecules consisting of onl...

A: The compounds containing carbon and hydrogen are known as hydrocarbons and are non polar in nature d...

Q: What change in pH will occur when 0.050 mmol of HOAc (Ka= 1.78 x 10^-5) is added to 100.0 ml of a b...

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Q: 8. NH,OH Geometry:

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Q: Consider the following reversible reaction at equilibrium. N2(g) + 3H2(g) = 2NH3(g) AH° = +9.22 x104...

A: We will apply Le-Chateliers principle to solve the above question.

Q: student mixed 50.0 mL of water containing 0.010 moles of HCI (weighing 50.0 g) with 60.0 mL of water...

A: Initial temperature = 25°C  Final temperature = 26.20°C Change in temperature = 26.20 - 25 = 1.20°C

Q: Vanadium(V) oxide reacts with calcium according to the chemical equation below. When 20.0 moles of V...

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Q: The reaction of 60.0 g of aluminum oxide with 30.0 g of carbon produced 22.5 g of aluminum. What is ...

A: Given : We have to calculate the percentage yield.

Q: H2O H, Heat

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Q: Which of the following (NBr3, BF3, OF2, IF3) is(are) exempted from the octet rule? Check all that ap...

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Q: Determine the rate law for the reaction: 2 NO(g) + 2 H2(g) → N2(g) + 2 H20(g) Using the method of in...

A: Determination of rate law for an reaction

Q: For the following compounds, what is the charge of the transition metal? AgNO3 TiO2 Iron (II) Per...

A: The charge on the transition metal can be calculated as shown below

Q: (c) An ideal monoatomic gas at 1 bar and 300 K is expanded adiabatically against a constant pressure...

A: (iii) Given Cv=1.5R=3/2R             Cp-Cv=R                  Cp=R+1.5R                     =2.5R=5/...

Q: Which of the following violates the octet rule? SF6 CO2 O AICI4 O Co3?

A: Concept is based on octet rule:

Q: percent hy

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Q: he moles of a

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Q: Temperature (°C) 26. Using the diagram below answer the following questions: F E B Time (min) a. Fus...

A: The Heating curve given is,  

Q: The gas nitrous oxide, N2O, is a dental anesthetic. a) Calculate the root-mean square velocity (ums ...

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Q: -C-C-O- -C H CH,Br +

A: The reaction given is,

Q: Enter your answer in the provided box. A sample of 8.61 g of naphthalene (C1,Hg) is dissolved in 75....

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Q: Which of the following molecules can participate in any kind of hydrogen bonding with water? H. H-C=...

A: The compounds given are,

Q: QUESTION 2 How many moles of hydrogen sulfide are contained in a 44.4-g sample of this gas? O a. 1.3...

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Q: How many moles of nitrogen gas would be produced if 5.56 moles of copper(II) oxide were reacted with...

A: Given data :  Moles of copper(II) oxide (CuO) = 5.56 mol CuO  Chemical reaction :  2 NH₃(g) + 3 CuO ...

Q: Vapor Pressure Versus Temperature Diethyl ether Water Mercury -100 0 34.6 100 200 357 400 Temperatur...

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Q: A. Propose a substrate and a reagent (electrophile) from which the following compounds can be formed...

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Q: The PHIVOLCS recently reported that Taal volcano emitted 15,500 tons of Sulfur Dioxide (SO2). How ma...

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Q: Based on the results obtained in the following table, which indicator has approximately a pka of 4? ...

A: The indicators are chemical compounds that show changes in color at a definite change in pH. Hence w...

Q: Which compound has the greatest ionic character? CsF O RbF LIF NaF

A: Ionic character determines the type of bond that can exist between two bonded atoms from the differe...

Q: predict the structure of the major product

A: Alkene reacts with alcohol in presence of an acid catalyst by an electrophilic addition reaction mec...

Q: A 25.0 mL volume of HCl solution of unknown concentration is titrated with a 0.124 M NaOH solution. ...

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Q: Using a chemical equation to find moles of product from moles ... Wine goes bad soon after opening b...

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Q: What is the approximate pH of a solution X that gives the following responses with the indicators sh...

A: The indicators with responses of solution X is given as,  

Q: chemical équation 0/5 A major component of gasoline is octane (C3H18). When octane is burned in air,...

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Q: Write the balanced chemical equation for the reaction of the weak acid HCN with water. Include the p...

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Q: What volume (mL) is required from a stock solution of1.98 M KNOg to prepare a 750 mt solution of 1.0...

A: Given that: Molarity of stock KNO3 solution(M1) = 1.98M Molarity of final KNO3 solution(M2) = 1.00M ...

Q: Which of the following statements is true? A. An atom with high electronegativity is an electron don...

A: The statements given are, A. An atom with high electronegativity is an electron donor because it has...

Q: It takes 42.0 min for the concentration of a reactant in a first-order reaction to drop from 0.45 M ...

A: Given,  Time, t = 42 min  Initial Concentration [A]0 = 0.45 M  Final Concentration, [A] = 0.32 M   

Q: Calculate the mass of excess reagent remaining at the end of the reaction in which 180.0 g of SO2 ar...

A: Given: Mass of SO2 = 180 g Mass of O2 = 200 g Standard data: The molar mass of SO2 = 64 g/mol The...

Q: Chemistry beginning with arecoline (pKa:7.6), Show the acid dissociation equilibrium reaction for a...

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Q: H3C H3C 2 H3C \H3C CuLi Li H3C CI OH H;C H;CO H3C D Br MgBr H3CO H3CO H3CO 2.

A: The given reaction involves multi-step. All steps are significant. This is a multi-step transformati...