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 77 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
YES! Correct, THANKS for helping me on my review

Alyson.hiatt@yahoo.com

  • Member
  • Posts: 354
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

The Distribution of Pressure The Distribution of Pressure
Lightly squeeze along each finger applying pressure first near the knuckle and then moving along the ... Lightly squeeze along each finger applying pressure first near the knuckle and then moving along the ...
Remove the heat source, and check the skin for redness. Massage the area, and notice muscle ... Remove the heat source, and check the skin for redness. Massage the area, and notice muscle ...
Measuring the client’s blood pressure Measuring the client’s blood pressure
Primary factors affecting blood pressure Primary factors affecting blood pressure
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?
Video: Anaphylaxis Animation

For a complete list of videos, visit our video library