Author Question: A 21.8 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter, according to the following ... (Read 777 times)

cartlidgeashley

  • Hero Member
  • *****
  • Posts: 572
A 21.8 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter, according to the following reaction.
 
  If the temperature rises from 25.0 to 62.3C, determine the heat capacity of the calorimeter. The molar mass of ethanol is 46.07 g/mol.
 
   C2H5OH(l) + 3 O2(g)  2 CO2(g) + 3 H2O(g) Hrxn = -1235 kJ
 
  A) 4.99 kJ/C
  B) 5.65 kJ/C
  C) 63.7 kJ/C
  D) 33.1 kJ/C
  E) 15.7 kJ/C

Question 2

The similarities in properties of carboxylic acids, esters, and amides can best be explained by
 
  A) their polarity and structural similarities.
  B) their similarities in molar mass.
  C) hydrogen bonding.
  D) the ease with which they form ions.
  E) none of these.



coreycathey

  • Sr. Member
  • ****
  • Posts: 333
Answer to Question 1

E

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

For a complete list of videos, visit our video library