subject
Chemistry, 21.09.2019 22:10 mnaiachickadee

Why is oxygen an element?
a. it is essential to life
b. it cannot be broken down into a simpler substance through chemical means
c. it combines with hydrogen
d. it burns

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 20:30
14. complete and balance the equations for the single displacement reactions. a. zn + pb(no3)2 -> b. al + niso4 -> 15. complete and balance the equations for the double displacement reactions. a. agno3(aq) + nacl(aq) -> b. mg(no3)2(aq) + koh(aq) -> 16. complete and balance the equations for the combustion reactions. a. __ ch4 + o2 -> b. __ c3h6 + o2 -> c. + o2 ->
Answers: 2
question
Chemistry, 22.06.2019 05:00
Which best explains why an iceberg floats?
Answers: 2
question
Chemistry, 22.06.2019 07:30
How many atoms are there in 5.70 mol of mg
Answers: 1
question
Chemistry, 22.06.2019 12:30
Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?
Answers: 2
You know the right answer?
Why is oxygen an element?
a. it is essential to life
b. it cannot be broken down into a...
Questions
question
Mathematics, 01.10.2019 12:30