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
Blizzard [7]
3 years ago
9

Which statement describes an interaction between the biosphere and the atmosphere that is related to

Chemistry
1 answer:
lisabon 2012 [21]3 years ago
6 0

Answer:

O During photosynthesis, plants take in carbon dioxide from the air.

You might be interested in
How to find the formula for sodium phosphate?
ludmilkaskok [199]
PO4 anion has a 3- charge.A sodium cation , has a 1+ charge.Now , you have to think how many Na ions you need to fully neutralize the PO4 's 3- charge. Answer 3. That's because a molecule must have a neutral charge (a 0 charge). 3+(-3)=0.So , sodium phosphate has the formula Na3PO4.


6 0
3 years ago
How many grams of oxygen are required to burn 3.01 x 10^23 propane molecules?
Tema [17]
That’s some hard stuff what grade are you in im going to find the answer really fast hold on
3 0
3 years ago
Use Lewis diagrams to show how electrons are shared to form covalent bonds in compounds wit the following atoms. Write the formu
bixtya [17]
The Lewis structure/diagram for CH2O (aka Formaldehyde) can be written in either of the following ways shown in the picture.
The dots represent electrons in the valence shell of the atom (the outermost shell). The green dots are electrons that belong to the Oxygen atom, the blue belong to the Carbon atom, and the pink belong to the Hydrogen atoms.
Covalent bonds are bonds between atoms where atoms share electrons with each other. Atoms bond because they obey the octet rule ( the rule states that most atoms of main-group elements tend to want 8 electrons in their valence shells). 
Oxygen has 6 valence electrons, Carbon has 4, and Hydrogen has 1. H does not follow the octet rule, but C and O do, so the atoms are arranged in this way so that the O and C atoms have a full octet of electrons in their valence.

8 0
3 years ago
The molarity of a 4.200 L solution is 1.230 M Na2CO3. What is the mass of Na2CO3
Lerok [7]

Answer:

547.5g

Explanation:

To get the mass, you need moles.

moles = (molarity)(Liters)

moles = (1.230M)(4.200L) = 5.166 moles Na2CO3

Now, just use stoichiometry

molar mass of Na2CO3 = 2(mass of Na) + (mass of C) + 3(mass of O)

= 2(22.9) + 12.01 + 3(16) = 105.99g/mol

5.166moles(105.99g/mol)

= 547.544

But, the measurements given had 4 significant figures, so in chemistry we write:

547.5g

7 0
3 years ago
Explain why soap needs to be used to clean clothes and why you can’t just use water alone?
Deffense [45]

Answer:

Water alone can't clean clothes because it won't attach to molecules of grease and dirt.

Explanation:

The surfactants it contains are made of molecules that have two different ends. One end is strongly attracted to water; the other is attracted to oily substances like grease.

5 0
3 years ago
Read 2 more answers
Other questions:
  • What is −1/4⋅(−6/11)?
    12·1 answer
  • Monobromination of toluene gives a mixture of three bromotoluene products. Draw and name them.
    15·1 answer
  • Is gold amalgamation a chemical reaction with gold and mercury?
    8·1 answer
  • Cortisone consists of molecules, each of which contains 21 atoms of carbon (plus other atoms). the mass percentage of carbon in
    11·1 answer
  • The atomic number is the number of<br> in an atom.
    9·1 answer
  • What is the definition of nuclear energy???
    15·2 answers
  • What is the formula for the compound copper (II) sulfate pentahydrateA. C2S3•6H2O
    12·1 answer
  • Water has a known specific heat capacity of 4.184 J/g °C. Use the specific heat
    9·1 answer
  • A. What evidence have you discovered to explain why air flows? B. What evidence have you discovered to explain why Earth has glo
    9·1 answer
  • 5. What is a chemical equation? What are the essentials of a chemical equation? What information is conveyed by a chemical equat
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!