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 80 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
Wow, this really help

jackie

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

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.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Green-glowing genetically modified mice embryos Green-glowing genetically modified mice embryos
Touch the test light to the negative (–) terminal of the battery or a good engine ground to check ... Touch the test light to the negative (–) terminal of the battery or a good engine ground to check ...
Structure of the pyruvate dehydrogenase complex Structure of the pyruvate dehydrogenase complex
Normal and abnormal corneal light reflection test Normal and abnormal corneal light reflection test
A transmission electron micrograph of the Golgi complex A transmission electron micrograph of the Golgi complex
Major bone (tan) and cartilage (light blue) elements of the human skeleton. Inset shows regions of v Major bone (tan) and cartilage (light blue) elements of the human skeleton. Inset shows regions of v
Video: DNA Sequences - Dideoxy Sequencing

For a complete list of videos, visit our video library