Homework Help: science

Posted by Anonymous on Sunday, February 19, 2012 at 10:13am.

The "proof" of an alcoholic beverage is twice the volume percent of ethyl alcohol, C2H5OH in water. The density of ethyl alcohol is 0.789g/ml and that of water is 1.00g/ml. A bottle of 100 proof rum is left outside on a cold winter day.
a.) Will the rum freeze if the temperature drops to -18 degrees celsius?
b.) Rum is used in cooking and baking. At what temperature does 100 proof rum boil?

science - Brian S, Sunday, February 19, 2012 at 3:00pm
hint, 100 proof rum is 50% alcohol and 50% water.

a 1L bottle of 100 proof rum has (789/2) = 394.5g of alcohol and 500g of water.

Answer this Question

Related Questions

chem - The "proof" of an alcoholic beverage is twice the volume ...
chem - An 80 proof brandy is 40.0% (v/v) ethyl alcohol. The "proof" is...
chem - drbob you helped me with this problem the other day but i have a question...
physical science - Since October 2004, Jack Daniels Tennessee whisky, produced ...
chemistry - Since October 2004, Jack Daniels Tennessee whisky, produced in ...
chem - calculate the number of grams of alcohol present in 1.70 L OF 75-Proof ...
Chemistry - How would you prepare a 25.0% water in ethyl alcohol solution using ...
Science - Chemistry - A certain elixir is 92 proof. A proof is twice the volume ...
health - What is the type of alcohol in an alcoholic beverage?
chemistry - How much ethyl alcohol (C2H5OH) must be added to 1.00 L of water so ...

For Further Reading

First Name:
School Subject:
Answer: