This topic contains a solution. Click here to go to the answer

Author Question: Consider the following reaction: A 2C The average rate of appearance of C is given by C/t. ... (Read 65 times)

frankwu

  • Hero Member
  • *****
  • Posts: 549
Consider the following reaction: A  2C The average rate of appearance of C is given by C/t. Comparing the rate of appearance of C and the rate of disappearance of A, we get C/t = ________  (-A/t).
 
  A) +2
  B) -1
  C) +1
  D) +1/2
  E) -1/2

Question 2

A compound that is composed of only carbon and hydrogen contains 80.0 C and 20.0 H by mass. What is the empirical formula of the compound?
 
  A) C20H60
  B) C7H20
  C) CH3
  D) C2H6
  E) CH4



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ladyjames123

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

A

Answer to Question 2

C




frankwu

  • Member
  • Posts: 549
Reply 2 on: Aug 27, 2018
:D TYSM


Dnite

  • Member
  • Posts: 297
Reply 3 on: Yesterday
Excellent

 

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

For a complete list of videos, visit our video library