Determine the molecular formula of the hydrocarbon

Assignment Help Chemistry

Reference no: EM13130618

A 15.0-g sample of a hydrocarbon is placed in a balloon at 1.00 atm and 25°C, and the volume of the balloon is 12.2 L. The hydrocarbon is 79.89% carbon and 20.11% hydrogen by mass. Determine the molecular formula of the hydrocarbon.

Reference no: EM13130618

Questions Cloud

Calculate the final temperature of 34ml of ethanol : Calculate the final temperature of 34mL of ethanol initially at 20celcuis upon absorption of 739 J of heat. (density of ethanol =0.789g/mL )

Statistics-percentages from groups : When the members of the Eye and I Photo Club discussed what type of film they had used during the past month, the following information was obtained; 77 used black and white film, 24 used only black and white, 65 used color, 18 used only color

Probability under four of them have to wait five minutes : If we have a random sample of 6 patients who press call buttons. What is the probability that under 4 of them will have to wait five minutes to more for staff to respond?

In the midst of a heated political race : We're in the midst of a heated political race for the presidency. Does media bias play a role here and is it a problem? If so, what are the solutions?

Determine the molecular formula of the hydrocarbon : A 15.0-g sample of a hydrocarbon is placed in a balloon at 1.00 atm and 25°C, and the volume of the balloon is 12.2 L. The hydrocarbon is 79.89% carbon and 20.11% hydrogen by mass.

Subtraction of fractions : From central parking it is 9/10 of a mile to the science building. Bob started at central parking and walked 1/5 of a mile toward the science building. He stopped for coffee.

What are the main characteristics of intangible assets : What are the main characteristics of intangible assets? How are they presented in the balance sheet? How do you estimate their useful life? Why is there a distinction between purchased and internally created intangibles?

Expected return and standard deviation : Suppose Asset A has an expected return of 10% and a standard deviation of 20%. Asset B has an expected return of 16% and a standard deviation of 40%. I f the correlation between A and B is 0.35, what are the expected return and standard deviation ..

Calculating the equivalent weight of an unknown substance : Calculating the Equivalent Weight of an Unknown Substance, An unknown organic carboxylic acid, mp = 139-141 degrees Celsius, is burned with a yellow, sooty flame. The sodium fusion test showed that nitrogen was present.

User Account

All Pages