1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Rom4ik [11]
3 years ago
8

Oxygen, hydrogen, and water are substances. which of these substances are elements

Chemistry
1 answer:
m_a_m_a [10]3 years ago
8 0
The substances Oxygen and Hydrogen are elements.
You might be interested in
What is the number of moles in 500L of He gas at STP
kompoz [17]
Ah, this is actually a fairly simple chemistry question.

Recall that at STP, one mole is equivalent to 22.4 L. Knowing this, all you have to do is divide 500 L by 22.4 L to find the number of moles:

500/22.4 = 22.3 mol

-T.B.
7 0
3 years ago
If you wanted to protect water from freezing, which of the compounds below would accomplish this best. NaNO3, Mg(NO3)2, or Al(NO
Korvikt [17]
All of them are soluble salt.

First one dissociates into two ions.

The second one dissociates into 3 ions.

The third dissociate into 4 ions. therefore, Al(NO3)3
4 0
3 years ago
can someone please help me with this question for chemistry. What is the number of moles in 1216 g Sr3(PO4)2? the 3,4, and 2 and
Alisiya [41]
2.68 mol should be the answer
8 0
2 years ago
Surface tension explains which of the following
dexar [7]
I'm pretty sure the answer is 1. I and III
3 0
3 years ago
Read 2 more answers
HELLPPP PLZZ ASAPP!
Sphinxa [80]

Answer:

Condensation and Depositon

Explanation:

Condensation is from gas to liquid

Deposition is from gas to solid

7 0
3 years ago
Other questions:
  • What does expunge mean?
    6·1 answer
  • Describe at least two differences between ionic and covalent bonds.
    9·1 answer
  • Oxygen, with an atomic number of 8, is a neutral atom and would have ___________ electrons in the first electron shell and _____
    8·1 answer
  • At 1 atm, how much energy is required to heat 75.0 g H 2 O ( s ) at − 20.0 ∘ C to H 2 O ( g ) at 119.0 ∘ C?
    12·1 answer
  • Components of crude oil can be separated through a process called _____.
    7·1 answer
  • The endocrine system sends hormones through the blood to control the activities of tissues and organs.
    5·2 answers
  • Which of the following is a salt that will form from the combination of a strong base with a weak acid?
    5·1 answer
  • What is the conclusion of Rutherford atomic model?​
    10·1 answer
  • What happens to the concentration of both H3O+ and OH- ions as water is added <br> to a base?
    13·1 answer
  • Help please I really really need it now ​
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!