Explain the empirical and molecular formulas of quinine

Assignment Help Chemistry
Reference no: EM13274965

The bitter-tasting compound quinine is a component of tonic water and is used as a protection against malaria. It contains only C, H, N and O. When a sample of mass 0.487 g was burned, 1.321 g of carbon dioxide, 0.325 g of water, and 0.0421 g of nitrogen were produced. The molar mass of quinine is 324 g/mol. Determine the empirical and molecular formulas of quinine. (Type your answer using the format CO2 for CO2 and use the order CHNO) empirical molecular

Reference no: EM13274965

Questions Cloud

Explain apparent affinity constant for the competition assay : Using the thermodynamic cycle in the tight binding KNI-764/HIV-1 protease example discussed in class, derive the Kapp= KKNI-764/(1+KAc-pepstatin[AcPepstatin]) for the apparent affinity constant (Kapp) for the competition assay between the weak (Ac..
Find the vswr coefficient of a 50 ohm transmission line : A 50 ohm transmission line is terminated to the load (60-40j) ohm. How far from the load, a short ckt stub of a fix length of λ/8 needs to be placed so the minimum voltage standing wave ratio (VSWR) between generator and stub achieved. Find the VS..
Describe two examples of vulnerabilities in automobiles : Describe two examples of vulnerabilities in automobiles
Discuss the fundamental advantages and disadvantages : Companies that currently use expert systems. Next, discuss the fundamental advantages and disadvantages of using expert systems instead of human expertise within the companies that you have selected. Provide a rationale to support your response..
Explain the empirical and molecular formulas of quinine : The molar mass of quinine is 324 g/mol. Determine the empirical and molecular formulas of quinine. (Type your answer using the format CO2 for CO2 and use the order CHNO) empirical molecular
What is the current value of the property : A rental property is providing 13% rate of return. Next year's rent is expected to be $1.0 million and is expected to grow at 3% per year forever. What is the current value of the property? a. 7.7 million b 10 million c. 33.3 million d. none of th..
Locate the horizontal coordinate of the center of gravity : Pat builds a track for his model car out of wood. The track is 14.00 cm wide, 3.00 m long, Locate the horizontal coordinate of the center of gravity of this track
What is the net return on investment : A firm has an average investment of $1000 during the year. During the same time the firm has an after tax earnings of $150. If the cost of capital is 10%, what is the net return on investment?
What is the speed of the wave : What is the speed of the wave and draw a snapshot graph of this wave at t = 0 s.

Reviews

Write a Review

Chemistry Questions & Answers

  Explain how many moles mno4- ion are required

A solid sample containing some Fe^2+ ion weighs 1.062 g. It requires 24.12 mL 0.01562 m KNno4 to titrate Fe^2+ in the dissolved sample to a pink end point. How many moles MnO4- ion are required

  Find out the value of x and the complete formula of alum

A 0.6815g sample of alum is heated to drive off the waters of hydration, and the resulting KAL(SO4)2 weighs 0.3709 g. Determine the value of x AND the complete formula of alum.

  Define what volume of chlorine gas is produced

What volume of chlorine gas is produced when 0.952 mol of hydrochloric acid reacts completely according

  State the temperature of the calorimeter rose

The temperature of the calorimeter rose from 25C to 33.73C. If the heat capacity of the calorimeter was 9,630 J/C, what is the value of delta H for the combustion reaction in KJ/mol.

  Explain what is the change in its molar gibbs

A sample of water vapour at 200 degrees C is compressed isothermally from 350 cm^3 to 120 cm^3. What is the change in its molar Gibbs

  Explain the vapor pressure of pure ethanol

What mass of C2H5OH should be added to 535 kg of the paraffin in formulating the mixture if the vapor pressure of ethanol at 35°C over the mixture is to be 8 torr? The vapor pressure of pure ethanol at 35°C is 100 torr.

  How many moles of hno3 are presen

How many moles of HNO3 are present in 35.0 mL of a 4.50 M solution of nitric acid?

  What is the new pressureof the gas in pa

A 757 mL gas sample at STP is compressed toa volume of 202 mL, and the temperature isincreased to 30 degrees C. What is the new pressureof the gas in Pa?

  How many moles of al3+ are in the new solution

When 28 mL of a 430 mL stock solution containing 2.3 M AlCl3 is diluted to 114 mL, how many moles of Al3+ are in the new solution?

  How much nh3 is produced

CaCN2 + 3 H2O → CaCO3 + 2 NH3 . How much NH3 is produced if 187 g of CaCO3 are produced?

  Write a reaction mechanism for the acid

Using curved arrows to show electron movement and bond formation write a reaction mechanism for the acid catalyzed reaction

  Estimate the bond length of the hbr bond in picometers

The dipole moment (mu) of HBr (a polar covalent molecule) is 0.82 D (debye), and its percent ionic character is 12.1%. Estimate the bond length of the HBr bond in picometers.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd