Calculate the number of molecules

Assignment Help Chemistry
Reference no: EM13174111

Calculate the number of molecules in 37.0 mL of ethanol, CH3CH2OH. The density of ethanol is 0.789 g/mL.

Reference no: EM13174111

Questions Cloud

Which person will get to a state of zero accerlation first : a light woman and a heavy man jump from an airplance at the same time and open their same-size parachutes at the same time. which person will get to a state of zero accerlation first?
Discuss if the entrant is better off with or without ability : Consider now that the entrant, if fought, has the possibility of withdrawin from the industry (at a loss of 1 for the entrant and a gain of 8 for the incumbent), or staying (at a loss of 5 for each player).
Equal protection clause to legislation : Which of the following is NOT a guideline used by the Supreme Court to apply the equal protection clause to legislation?
State what is the chemical definition of a buffer solution : What is the chemical definition of a buffer solution? Give an example. 2. The Ka of benzoic acid C7H5O2H, IS 6.5X10^-5. What is the buffer range?
Calculate the number of molecules : Calculate the number of molecules in 37.0 mL of ethanol, CH3CH2OH. The density of ethanol is 0.789 g/mL.
Advertising and entertainment industry affect our autonomy : How do advertising and the entertainment industry affect our autonomy?
What is the cost-benefit analysis : A special interest group cannot impose its will on the majority because the perceived costs and benefits from government programs are the same for both groups. Cost-benefit analysis can be applied to individual decision-making and public choice th..
Compute the molarconcentration of oxygen : calculate the molarconcentration of oxygen in water at 25 celsius for a partialpressure of 0.23 atm. the henry's law constant for oxygen
Family and religion were two elements of slave community : Family and religion were the two major elements of the slave community. Describe the function each played in the community, and determine if either or both weakened or strengthened the institution of slavery.

Reviews

Write a Review

Chemistry Questions & Answers

  Compute the range pf permissible concentrations

The molar absorptivity for the complex formed between bismuth (III) and thiourea is 9.32 x 103 L mol-1 cm-1 at 470 nm. Calculate the range pf permissible concentrations for this complex if the percent transmittance is to be greater than 15.0 % and..

  What is the total force in pounds on the outside of the can

An empty gasoline can with dimensions 15 cm by 40 cm by 12.5 cm is attached to a vacuum pump and evacuated. if the atmospheric pressure is 14.7 lb/in^2.

  How many molecules would be contained

Suppose a 5.00 L sample of O2 at a given temperature and pressure contains 2.73 × 1023 molecules. How many molecules would be contained in 5.00 L H2 at the same temperature and pressure.

  What is the molar mass of q

An unknown gas Q effuses 1.26 times as fast under the same conditions as Xe gas. What is the molar mass (g/mol) of Q?

  What is the molar concentration of the ammonia

If 19.0 mL of 0.800 M HCl solution are needed to neutralize 5.00 rm mL of a household ammonia solution, what is the molar concentration of the ammonia?

  State what is the ph at the equivalence point

consider the titration of 25 mL of .25 M NH3 with .05M HBr .What is the pH at the equivalence point?

  Calculate the total amount of heat removed in the process

A 70.0 g steam sample at 150.0 degree Celsius was converted to ice at -150.0 degree Celsius, calculate the total amount of heat removed in the process.

  Explain and develop an argument based on bond enthalpies

Develop an argument based on bond enthalpies for the importance of SiO bonds in substances common in the Earth's crust in preference to SiSi or SiH bonds

  Find the molarity of a solution

Find the molarity of a solution prepared by dissolving 120 g CaCl2 (MW = 111 g/mol) in 450 cm3 of solution.

  Calculate the maximum mass in grams of h2s

Calculate the maximum mass in grams of H2S that can form when 218 g aluminum sulfide reacts with excess water according to: Al2S3 + H2O => Al(OH)3 + H2S [unbalanced]

  What is the molarity of a hcl solution

What is the molarity of a HCl solution that contains 6.13 g of HCl in 352 mL of solution?

  How many grams of oxygen must react

octane gas reacts wuth oxygen to form carbon dioxide gas and water as a gas. write balanced equation. how many grams of oxygen must react with 50 grams of hexane gas?

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