(Q90) A second order reaction has an initial concentration of 1.46 M. If the half-life of the reaction is 32.8 minutes, what is the value of the rate constant (in units of M1 min 1)? (3 sf)

Q: An empty steel container is filled with 5.40 atm of H2 and 5.40 atm of F2. The system is allowed to ...

A: The balanced reaction given is, => Given: Initial pressure of H2 = 5.40 atm = Initial pressure o...

Q: Select the functional group that is present in the following molecule (select best answer). O Alkene...

A: In organic chemistry, the hydrocarbon containing carbon-carbon single bond, double bond and triple b...

Q: Draw an expanded structural formula of a hydrocarbon that contains sp, sp?, and sp hybridized carbon...

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Q: OH Dess-Martin's periodinane (DME thylamine) CH2CI2

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Q: What happens during a dehydration reaction? Water reacts with the molecule and breaks it down into s...

A: The electronic configuration of carbon is 1s22s22p2

Q: In a hexane-octane solution containing 27.50 grams hexane and 42.5 grams of octane at 20°C, the tota...

A: The amounts of hexane and octane in the solution is:   Amount of hexane = 27.50 g   Amount of octane...

Q: What is the molarity of a solution containing 15g sulphuric acid in 150 ml solution? What is the nor...

A: Mass of sulphuric acid = 15 g  Volume of solution = 150 ml  Molarity of the solution = ?  Normality ...

Q: Discuss the stereochemistry of these compounds. Hint: this means saying how many diastereoisomers th...

A: Solution                        Given that  The stereochemistry of these compounds  Find these compo...

Q: 2. What power does a pump develop to lift 45 L of water per minute from a depth of 115 m? (1L of wat...

A: Power is defined as the rate at which work is done upon an object.

Q: Problem 1 Claim: What functional group is attached to the acetic acid? Write your answer in one (1) ...

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Q: What is the best choice as the major product for this reaction? NaCN он N=CH2 N. с. b. а. ОН OH NH N...

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Q: d)the mole fraction of sucrose and water in 5.25% by mass sucrose

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Q: 4) During World War II, tritium (*H) was a component of fluorescent watch dials and hands. Assume yo...

A: Given,  For 3H, t1/2 = 12.3 year 17% or more of the original tritium was used.   

Q: 1. Plot (and cite examples) the titration curve of the following: a. strong acid vs strong base b. s...

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

Q: Calculate the number of oxygen atoms in a  110.0g  sample of scheelite  CaWO4

A: Calculation of number of any kind of particles in a compound first have to know the number of moles ...

Q: Calculate the standard enthalpy of formation of Cuo (s) from the given thermochemical equation: CuO(...

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Q: en the Spectra, 100 95 90 85 80 75 70 4000 3000 2000 1000 Wavenumhers (cm') D Toluene D 4-Heptanone ...

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Q: Which of the following trends is arranged in increasing wavenumber? form left to right! O C-H - C-O ...

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Q: Givem this IR Spectra: Which compound is represented by this spectra?     Heptanone     Hepte...

A: IR spectroscopy is an important tool for the determination of the functional group in the compound. ...

Q: O2N. NO2

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Q: 4. Delo W snows a spectrum Of nen IsSOIVed in Assign each peak to one of the carbons in acetaminophe...

A: The position of peaks in 13C for the given molecules mainly for the carbon atoms in aromatic unit he...

Q: the given compounds. Write your answers on the space/field provided. Separate the reagents with a co...

A: The answer is as follows:  

Q: A sealed reaction vessel initially contains 1.839×10² moles of water vapor and 1.301×10-² moles of C...

A: Given,  Initial moles of water = 1.839x10-2 mol  Initial moles of CO(g) = 1.301x10-2 mol  At equilib...

Q: 4. Below shows a 1ºC NMR spectrum of acetaminophen dissolved in de-DMSO. Assign each peak to one of ...

A: We have to find out structure of Acetaminophen.

Q: 3 protons, 3 neutrons, 3 electrons 2 protons, 1 neutron, 1 electron 7 protons, 7 neutrons, 9 electro...

A: If in a atom or ion the no of protons and nk of electrons are same that it is neutral. If no of prot...

Q: Mercy is experiencing a fever. Upon taking her temperature, it was found out the she has a temperatu...

A: The temperature of Mercy is = 101.354 degrees F The normal body temperature of human is = 37.1 degre...

Q: Using the figure below, which points show an equilibrium? 1 atm liquid phase soid phase gas phase AT...

A: At the equilibrium point, the rate of the forward abd backward reaction will be equal. 

Q: does a co spot on TLC plate have two Rf values?

A: co-spot in TLC

Q: The following data represented the concentration of ofloxacin present in chicken meat samples: 4.17,...

A:  Percentage relative standard deviation is given by formula  % relative SD =(standard deviation / me...

Q: 5 CH3 4/ H-CEC- CH=CH 1 2 3

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Q: How to calculate the number of moles of oxygen needed to react with 1.6 moles of ispropyl alcohol, C...

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Q: Question 9 Each subsatnce absorbs or emit unoque level & quantities of energy/ e.m.r. O True O False

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Q: 5. The solubility of CO2 gas in water is 25°C atmospheric conditions? (The partial pre obeys Henry's...

A: Given Data :  1. Molar concentration = 0.034 mol/L  2. Pressure P = 1 atm. 3. Partial pressure of CO...

Q: Which results in a buffer?  Select all apply. a solution of NaOH(aq) and a solution of HCl(aq) in w...

A: Given : We have to tell which of the following will be buffer.

Q: Which of the following trends is arranged in increasing wavenumber? form left to right!     C≡ C  ...

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Q: 1. Complete the chart by filling in the missing information. Name of element Protons Neutrons Atomic...

A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only. ...

Q: 1. For each of the following pairs of solute and solvent, predict whether the solute would be solubl...

A: We have find out the solubility of solute

Q: how much energy must be absorbed or released as heat to change 87.0 g of liquid propanone at 25.00°C...

A: The solution is as follows:  

Q: How many atoms are there in 2 moles of Calcium

A: Number of moles of calcium = 2 moles  Number of atoms of calcium = ? 

Q: 5- Addition H2 to butyne give

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

Q: Rank order the following in terms of relative reactivity (most reactive on the left, least reactive ...

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Q: ck all of the compounds on this list that are soluble in room temperature water.   AgBr         PbSO...

A: Given : We have to tell which among the following is soluble in water.

Q: Sample.sakulatim Show your work for the following caleulations uning data from sample E a) Initial s...

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Q: The van der Waals equation of state was designed (by Dutch physicist Johannes van der Waals) to pred...

A: Since you have posted questions with multiple subparts, we are entitled to answer the first 3 only. ...

Q: 8. The orbital shape is similar in all orbitals. 9. M.O theory describes the stability of molecule.

A: No , all orbitals are not of similar shape. 

Q: When excess dilute hydrochloric acid is added to a mixture of calcium oxide and magnesium oxide. A h...

A: The name of the two salt produced are Calcium chloride and Magnesium chloride.

Q: Using the figure, Identify the normal boiling point of the pure solvent. 1 atm liquid phase sofd pha...

A: Hence 1st option is correct that is point 1

Q: Problem 1 Claim: What functional group is attached to the acetic acid? Write your answer in one (1) ...

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Q: 1 Why did the addition of an unknown substance change the freezing point of naphthalene?

A: Freezing point change is a colligative property,that is freezing point change depend on no of ions p...

Q: How much eugenol is found in cloves?

A: