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

Author Question: A metal complex absorbs light mainly at 420 nm. What is the color of the complex? A) green B) ... (Read 25 times)

Arii_bell

  • Hero Member
  • *****
  • Posts: 596
on: Aug 27, 2018
A metal complex absorbs light mainly at 420 nm. What is the color of the complex?
 
  A) green
  B) yellow
  C) red
  D) orange
  E) purple

Question 2

210Pb has a half-life of 22.3 years and decays to produce 206Hg. If you start with 7.50 g of 210Pb, how many grams of 206Hg will you have after 17.5 years?
 
  A) 4.35
  B) 3.15
  C) 3.09
  D) 0.0600
  E) 1.71


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

joewallace

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

A


Arii_bell

  • Member
  • Posts: 596
Reply 2 on: Aug 27, 2018
Thanks for the timely response, appreciate it

Kedrick2014

  • Member
  • Posts: 359
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

The absorption of light energy by pigment molecules in the light-harvesting complex, and the path th The absorption of light energy by pigment molecules in the light-harvesting complex, and the path th
An example of color blindness test. A person with red-green color blindness would not be able to dis An example of color blindness test. A person with red-green color blindness would not be able to dis
Hazel Eye Color Hazel Eye Color
X-linked recessive inheritance of red-green color blindness in a family X-linked recessive inheritance of red-green color blindness in a family
Light micrograph of cells in a strand of Chladophora Light micrograph of cells in a strand of Chladophora
Light-independent reactions of photosynthesis Light-independent reactions of photosynthesis
Video: Stimulus (introduction)

For a complete list of videos, visit our video library