Cycles In Nature

Question 0

What is produced in aerobic respiration?

Answer 0

Carbon dioxide and water

Question 1

What is the equation for photosynthesis?

Answer 1

6CO2 + 6H2O + sun = 6O2 + C6H12O6

Question 2

What are the products of carbon with air and without?

Answer 2

CH4 and CO2

Question 3

What are the products of nitrogen with air and without?

Answer 3

NH3 and NO3-

Question 4

What are the products of phosphorus with air and without?

Answer 4

PO4 3- and PH3 (phosphine)

Question 5

What are the products of Sulfur with air and without?

Answer 5

SO4 2- and H2S

Question 6

What is nitrogen fixation?

Answer 6

N2 with heat forms nitric oxide, nitrogen dioxide, nitric acid, nitrate ions, reach plants

Question 7

Nitrifying bacteria does what?

Answer 7

Turns N2 to soluble nitrates (ammonia first)

Question 8

How to balance half equations?

Answer 8

Elements
Oxygen (add water)
Hydrogen (add acid)
Electrons (add to most + side)

Question 9

What is industrial nitrogen fixation?

Answer 9

Haber process
High temps react N2 with H2
Forms ammonia

Question 10

What is the role of denitrifying bacteria?

Answer 10

Turns nitrates into nitrogen
Found in anaerobic conditions
Rice paddies