The simplest and molecular formulas for caffeine are?

Assignment Help Chemistry
Reference no: EM13142184

Caffeine is made up of 49.5% C, 5.2% H, 16.5%O, and 28.9% N. A solution made up of 8.25g of caffeine and 100.0 of benzene (d=0.887g/ml) freezes at 3.03C. Pure benzene (kf=5.10 degrees C/m) freezes at 5.50C. The simplest and molecular formulas for caffeine are?

Reference no: EM13142184

Questions Cloud

Determining the financial records : During the year, Baskett reports net income of $90,000 while paying dividends of $30,000. What is the Investment in Baskett Company balance (equity method) in Ace's financial records as of December 31 ?
Determine the molality and molarity of a solution : Determine the molality and molarity of a solution made by dissolving 445 g of NaBr in 2600 ml of water ?
Evaluate correlation between two instruments : The correlation between his test and the BDI was r =.14. Evaluate this correlation. What does this correlation tell us about the relationship between these two instruments?
Conventional accounting records : Which of the following costs is often important in decision making, but is omitted from conventional accounting records?
The simplest and molecular formulas for caffeine are? : Caffeine is made up of 49.5% C, 5.2% H, 16.5%O, and 28.9% N. A solution made up of 8.25g of caffeine and 100.0 of benzene (d=0.887g/ml) freezes at 3.03C. Pure benzene (kf=5.10 degrees C/m) freezes at 5.50C.
The assignment has been designed : The assignment has been designed to assess students' understanding of the usage of data communications and computer networking technologies in real life and to demonstrate their engagement with the subject.
Prepare the necessary correcting entries : Prepare the necessary correcting entries, assuming that Longfellow uses a calendar-year basis.
Assimilation versus self identity : Discuss two cases where Jews had to lose or gave up their identities as Jews in order to advance themselves in America and discuss two cases where Jews refused to give up their Jewishness even if it meant material economic or social loss
Profitability as measured by return on sales : Disney has four primary business segments: Media Networks, Parks and Resorts, Studio Entertainment, and Consumer Products. Which of these four has the best 2007 profitability as measured by return on sales?

Reviews

Write a Review

Chemistry Questions & Answers

  What is the molarity of the analyte

If the titrant has a molarity of 0.2750 M and there are 40.00 mL of analyte present, what is the molarity of the analyte?

  How many liters of 13.5 molar hcl stock solution are needed

how many liters of 13.5 molar HCl stock solution are needed to make 10.5 liters of a 1.8 molar HCl solution?

  Describe why cis dichloroethene has a boiling point

Explain why cis dichloroethene has a boiling point of 60 degrees C while trans - dichloroethen has a boiling point of 48 degrees C.

  Calculate the probability of finding an electron

Calculate the probability of finding an electron that is described by this wavefunction in a volume of 1.0 pm3 (i) centred on the nucleus.

  What is the initial concentration of the chlorine

Find what is the initial concentration of the chlorine before dilution - unknown concentrated chlorine

  Calculate how many ml of the hcl solution

Calculate How many mL of the HCl solution was required for the titration.

  By what factor does rate of isomerization reaction increase

By what factor (The factor is the ratio of the rates) does the rate of this isomerization reaction increase as the temperature increases from 256 degree celsius to 297 degree celsius ?

  What is the total pressure in the tank

Mixtures of helium and oxygen are used in scuba diving tanks to help prevent the bends, which is a condition caused by nitrogen bubbles forming in the bloodstream.

  Find out how much energy is needed to raise

Find out how much energy is needed to raise the temperature of 22.8 g of diethyl ether from -10.0 degree celsius to 142.0 degree celsius?

  What weight of the oxide can be obtained

when aluminum is heated in oxygen, aluminum oxide is formed. What weight of the oxide can be obtained from 25.0g of the metal.

  Determine the empirical formula of the compound

1.52g of an oxide of nitrogen contains 0.56 g of oxygen. determine the empirical formula of the compound.?

  Reasons for the rekindling of magnesium fires

When relatively small amounts of magnesium burns, the fires are extinguished using commercially available dry powder. Why might this fire rekindle days later as someone tries to remove the residue with water?

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