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
slava [35]
3 years ago
14

Tell whether the statement is TRUE or FALSE. Air pressure is gravity pulling down on air molecules.

Chemistry
1 answer:
nirvana33 [79]3 years ago
8 0
True
Pressure is the force per unit area on an object. The force in the case of air pressure is the weight of the air molecules; therefore, the air pressure is essentially due to gravity pulling down air molecules.
You might be interested in
What is the organic product formed when ethanoic acid reacts with ethanol?​
Nutka1998 [239]

Answer:

Ethyl ethanoate is formed

5 0
3 years ago
How many moles of water will be produced if the reaction begins with 9.50 mol NH3?
gogolik [260]
It would cost a little less than one thing but it was a little bit too late to get it to me
8 0
3 years ago
1. In any nuclear reaction, nuclei are transformed in some way.
Grace [21]
<span>1. In any nuclear reaction, nuclei are transformed in some way.

True

2. Two fissionable substances commonly used in nuclear reactors and nuclear weapons include uranium-235 and plutonium-239.

True

3. Fission reactions can be controlled; thus, they are used to create energy and electricity. But fusion reactions are uncontrollable and require too much energy for economical use.

True

4. Fission reactions occur at such high temperatures in the Sun that the Sun appears to glow.

False

Hope this answers the question. Have a nice day.</span>
4 0
3 years ago
Read 2 more answers
When an iron nail rusts it seems to get heavier in mass. Does the iron nail follow the law of conservation of mass?
Nikolay [14]
B. No since rusting is a chemical change it does not follow the law of conservation of mass. 
6 0
3 years ago
What role do catalysts play in chemical reactions?
Ludmilka [50]
<em>Role of a catalysts in chemical reactions:</em>
<span><em>Catalyst is a substance, usually used in small amounts relative to the reactants, that modifies and increases the rate of a reaction without being consumed in the process.</em></span>

5 0
3 years ago
Other questions:
  • Which of these is an example of physical change?
    10·2 answers
  • Is sewer lice living or nonliving
    15·1 answer
  • What is the relationship between atoms, elements and compounds?
    8·1 answer
  • The shape of a planet's orbit is influenced by gravity.<br> O True<br> O False
    6·2 answers
  • The reaction of 60.0 g of aluminum oxide with 30.0 g of carbon produced CO gas and 22.5 g of aluminum metal. What is the percent
    6·1 answer
  • When o-bromoanisole is treated with nanh2 in nh3 (l), a reaction proceeding via a benzyne intermediate, what two isomeric produc
    12·1 answer
  • Which molecule is a stereoisomer of trans-2-pentene?
    12·1 answer
  • Photosynthesis reactions in green plants use carbon dioxide and water to produce glucose (C6H12O6) and oxygen. A plant has 88.0
    5·1 answer
  • given a solid a liquid and a gas how would you describe the best way to treat each substance to get a faster reaction
    5·1 answer
  • The electrophilic bromination or chlorination of benzene requires ______ along with the halogen.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!