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

Author Question: What is the oxidation state of chromium in the compound K2Cr2O7? A) +4 B) +6 C) +7 D) ... (Read 121 times)

renzo156

  • Hero Member
  • *****
  • Posts: 526
on: Aug 27, 2018
What is the oxidation state of chromium in the compound K2Cr2O7?
 
  A) +4
  B) +6
  C) +7
  D) -1

Question 2

All of the following are examples of green chemistry EXCEPT
 
  A) Biodiesel is made from oils that have been used for frying foods.
  B) Polylactic acid (PLA) is a biodegradable plastic derived from corn.
  C) Hydrocarbons containing only carbon and hydrogen atoms are used as a fuel source.
  D) Glycerol from triglycerides can be used as a moisturizing agent in soaps.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

emsimon14

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

C


renzo156

  • Member
  • Posts: 526
Reply 2 on: Aug 27, 2018
Wow, this really help

samiel-sayed

  • Member
  • Posts: 337
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Events of the absorptive state. Events of the absorptive state.
Generally, the total tax burden in the United States is much lower than that of other industrialize Generally, the total tax burden in the United States is much lower than that of other industrialize
Monks Mound, the centerpiece of Cahokia Mounds State Historic Site, Illinois, Mississippian ... Monks Mound, the centerpiece of Cahokia Mounds State Historic Site, Illinois, Mississippian ...
Drawing of Central PompeII In Its Current State Drawing of Central PompeII In Its Current State
State the transformations on the function f(x)= 4sin(x-pi)-2 and then graph two cycles below. State the transformations on the function f(x)= 4sin(x-pi)-2 and then graph two cycles below.
State the transformations on the function f(x)= 4sin(x-pi)-2 and then graph two cycles below. State the transformations on the function f(x)= 4sin(x-pi)-2 and then graph two cycles below.
Video: Requirements for nervous signals

For a complete list of videos, visit our video library