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
seropon [69]
2 years ago
8

Which has the greater density?A) Air at 20 km altitudeB) Air at sea level​

Chemistry
2 answers:
vlabodo [156]2 years ago
5 0
Air at sea level
explanation: because it has the greater density.
IRISSAK [1]2 years ago
3 0

Answer:

Air at sea level

Explanation:

sry If Im wrong

You might be interested in
Which group on the periodic table already stable?
viktelen [127]
The noble gases AKA the column with full outermost valence shells. (Group 18)
7 0
3 years ago
Read 2 more answers
Stoichiometry: Calculate the moles of H2 produced by .042 g Mg in the equation Mg + 2HCl > MgCl2 + H2
Evgesh-ka [11]

Answer:

<em>Mg </em>(<em>s</em>) + 2<em>HCI2 </em>(<em>aq</em>) → <em>MgCI2 </em>(<em>aq</em>) + <em>H2 </em>(<em>g</em>)

I think this is the correct answer I not a 100% sure if it is correct.

Explanation:

Guessing

6 0
3 years ago
Sean drew this diagram and labeled an unknown gas as gas A. Which gas does A represent?
ANEK [815]
Gas A is Carbon Dioxide
3 0
3 years ago
Read 2 more answers
Is it possible to transfer heat from a cold reservoir to a hot reservoir?
tankabanditka [31]

Answer is: B.) Yes, if work is done, this transfer process can take place.

For example,  air conditioner involves a cyclic process that transfers heat from a cold reservoir to a hot reservoir, but with use of electricity.

Thermal conductuction is the transfer of heat through physical contact. Thermal conduction is the transfer of heat by microscopic collisions of particles. Heat spontaneously flows from a hotter to a colder body.

The process of heat conduction depends on four basic factors: the temperature gradient, the cross section of the materials involved, their path length and the properties of those materials.

8 0
4 years ago
Read 2 more answers
Demonstrate an understanding of Stoichiometry by describing and calculating the components required for a stoichiometric evaluat
NeTakaya

Explanation:

Iam sorry I don't know but why Iam messaging iss because when more people message it usually appears to more people so someone else will be able to help you:)

8 0
3 years ago
Other questions:
  • Why does chlorine react vigorously with hydrogen in the presence of sunlight?
    13·1 answer
  • Which energy level requires the most energy to remove an electron?
    9·1 answer
  • Which of the following is not true of carbon?
    12·1 answer
  • How many isomers with a molecular formula of c6h10 contain an internal alkyne?
    9·1 answer
  • Are the effects of adding heat reversible
    15·1 answer
  • Now select a longer period, say the fourth period, starting with the element in the 1A group. Again, go from left to right. What
    7·1 answer
  • Before Mendeleev, Newland observed a distinct pattern in the elements and proposed the law of octaves. What were his conclusions
    8·2 answers
  • Which term means finding ways to describe and explain the natural world
    6·1 answer
  • Write the chemical equation for the reaction in which silver carbonate is formed
    11·1 answer
  • Acts as the digestive system inside a cell. It helps to break down old or unneeded parts of the cell, and substances that have b
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!