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
m_a_m_a [10]
3 years ago
8

How many atoms of oxygen are there in one molecule of carbon dioxide, if the chemical formula is CO2?

Chemistry
2 answers:
Alecsey [184]3 years ago
7 0

Answer:

2 oxygen

Explanation:

1 carbon dioxide

2 oxygen

defon3 years ago
6 0

Answer:

2

Explanation:

CO₂ shows that there are 2 oxygen molecules. Also, the name Carbon Dioxide. This shows there is One Carbon and Two Oxygen molecules from the naming system.

You might be interested in
Cd(s)+2HCI(aq)---- H2(g)+CdCl2(aq). what volume in liters of 0.81m HCI solution would be needed to fully react with 32.71g Cd. a
BigorU [14]

Answer:

0.718L of 0.81M HCl are required

Explanation:

Based on the reaction:

Cd(s)+2HCI(aq) → H2(g)+CdCl2(aq)

<em>1 mol of Cd reacts with 2 moles of HCl</em>

<em />

To solve this question we must, as first, find the moles of Cd. With the moles of Cd we can find the moles of HCl needed to react completely with the Cd. With the moles and the molarity we can find the volume:

<em>Moles Cd -Molar mass: 112.411g/mol-:</em>

32.71g * (1mol / 112.411g) = 0.2910 moles Cd

<em>Moles HCl:</em>

0.2910 moles Cd * (2 moles HCl / 1mol Cd) =

0.5820 moles HCl

<em>Volume:</em>

0.5820 moles HCl * (1L / 0.81moles) =

<h3>0.718L of 0.81M HCl are required</h3>
6 0
2 years ago
What are Free Radicals ?​
DENIUS [597]

Answer:

an uncharged molecule (typically highly reactive and short-lived) having an unpaired valency electron.

4 0
3 years ago
Read 2 more answers
Which is most likely true about electronegativity?
VikaD [51]

Electronegativity is the tendency of an element to attract the bonded electrons towards itself. In a group, as the atomic radius increases electronegativity decreases as the outermost electron is far away from the nuclear attraction. In a period, the atomic size decreases. So, the effective nuclear charge experienced by the outermost shell increases. Therefore, across a period the electronegativity increases as the increased effective nuclear charge leads to the attraction of bonded electrons with greater ease.

Therefore the correct answer is <u>c</u>, electronegativity tends to increases across a period.

8 0
3 years ago
A substance floats or sinks in another because of its relative
mart [117]
A substance floats or sinks in another because of its relative density. Take ice floating in water for example. Water is more dense than ice so ice floats.

Mass is incorrect as the buoyancy or ability of an object to float depends on the mass per volume, which is equivalent to density.
6 0
3 years ago
Gases do not settle at the bottom of the vessel why​
bulgar [2K]

Explanation:

Gases are very less denser also, they've negligible intermolecular force of attraction between the particles of the gas. So, they all are free to roam seperately and hence making a negligible volume for which they become heavy settle down.

7 0
2 years ago
Other questions:
  • What do repeated trials in an experiment allow a scientist to do?
    11·1 answer
  • In the unbalanced equation given below, what is the element that is gaining electrons?
    6·2 answers
  • Which statement holds true when the molar mass of hydrogen is 2.0 grams and that of helium is 4.0 grams?
    7·1 answer
  • Why is potasium oxide not used to investigate property of hydrogen gas​
    14·1 answer
  • A leaf change color is evidence of which type of chemical change?
    11·1 answer
  • Sodium chloride or table salt is a compound formed when sodium loses its valence electron to chlorine. Which type of bond format
    8·2 answers
  • In this molecule, what type of bond is found between the oxygen and hydrogens?
    8·1 answer
  • How many grams of water can be produced when 68 L of oxygen gas react
    7·2 answers
  • Which one of the following systems has the highest entropy?
    11·1 answer
  • What the answer giving brainliest:) HELP
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!