This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: At constant pressure, the combustion of 5.00 g of C2H6(g) releases 259 kJ of heat. What is H for the ... (Read 68 times)

krzymel

  • Hero Member
  • *****
  • Posts: 548
on: Aug 27, 2018
At constant pressure, the combustion of 5.00 g of C2H6(g) releases 259 kJ of heat. What is H for the reaction given below? 2 C2H6(g) + 7 O2(g)  4 CO2(g) + 6 H2O(l).
 
  A) -43.2 kJ
  B) -779 kJ
  C) -1560 kJ
  D) -3108 kJ

Question 2

What color of visible light has the highest energy?
 
  A) violet
  B) blue
  C) red
  D) green
  E) yellow


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

pallen55

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

A


krzymel

  • Member
  • Posts: 548
Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

triiciiaa

  • Member
  • Posts: 349
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Air pressure under water Air pressure under water
The fuel tank pressure sensor (black unit with three wires) looks like a MAP sensor and is usually ... The fuel tank pressure sensor (black unit with three wires) looks like a MAP sensor and is usually ...
Apply pincer pressure to TrPs in sternocleidomastoid (SCM) muscle. Turn head to side to expose SCM; ... Apply pincer pressure to TrPs in sternocleidomastoid (SCM) muscle. Turn head to side to expose SCM; ...
Afterload is the pressure that the ventricles must overcome in order to open the aortic and pulmonic Afterload is the pressure that the ventricles must overcome in order to open the aortic and pulmonic
What is the value of the equilibrium constant, K, at 25°C for the reaction? What is the value of the equilibrium constant, K, at 25°C for the reaction?
As a result of the pressure gradient in the following picture, what happens to transpiration? As a result of the pressure gradient in the following picture, what happens to transpiration?
Video: The primary factors that affect circulation - MABP, CO and SVR

For a complete list of videos, visit our video library