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
Lilit [14]
3 years ago
9

Select the correct answer.

Chemistry
2 answers:
alina1380 [7]3 years ago
8 0

Answer: B) Use headlights and drive slowly if you encounter dense fog.

Explanation: Fog begins to form when water vapor condenses into liquid water droplets that are suspended in the air. This happens when the air has a lot of moisture and when the temperature is low (because in this way the water in the air condenses). So if a weather station predicts that warm humid air will pass over much cooler land, the precaution must be to use healights and drive slowly because it will probably be dense fog.

spayn [35]3 years ago
6 0

it would be B because warm humid air+cool land=fog

You might be interested in
During a change of state, the temperature of a substance _____.
Natali5045456 [20]
Hello,

Your questions states:

During a change of state, the temperature of a substance _____?

In which you gave us some choices:

A. decreases if the arrangement of particles in the substance changes.
B. remains constant until the change of state is complete.
C. increases if the kinetic energy of the particles in the substance increases.
D. increases during melting and vaporization and decreases during freezing and condensation.

Your answer would be:

B. remains constant until the change of state is complete.

Your explanation/Reasoning:

It absorbs the energy, then after the phase changes it then increases the temperature all over again.

Have a nice day:)

Hope this helps!

~Rendorforestmusic
4 0
3 years ago
Read 2 more answers
Automotive air bags inflate when sodium azide, NaN3, decomposes explosively to its constituent elements. How many moles of nitro
attashe74 [19]

Answer:

2.29 g of N2

Explanation:

We have to start with the <u>chemical reaction</u>:

NaN_3~->~Na~+~N_2

The next step is to <u>balance the reaction</u>:

2NaN_3~->~2Na~+~3N_2

We can continue with the <u>mol calculation</u> using the molar mass of

NaN_3 (65 g/mol), so:

3.55~g~NaN_3\frac{1~mol~NaN_3}{65~g~NaN_3}=0.054~mol~NaN_3

Now, with the<u> molar ratio</u> between NaN_3  and N_2  we can <u>calculate the moles</u> of N_2  (2:3), so:

0.054~mol~NaN_3\frac{3~mol~N_2}{2~mol~NaN_3}=0.0819~mol~N_2

With the molar mass of N_2 we can <u>calculate the grams</u>:

0.0819~mol~N_2=\frac{1~mol~N_2}{28~g~N_2}=2.29~g~N_2

I hope it helps!

5 0
3 years ago
Which element has the smallest atomic radius? Fluorine, Iron, Phosphorous, Potassium
Ivahew [28]

Answer:

actually answer should be helium

7 0
3 years ago
Read 2 more answers
What is the concentration of OH- in pure water at 298k
kvasek [131]
The answer is pH+pOH=14
4 0
3 years ago
How many Calories are there in 4600 Joules?
mars1129 [50]

Answer:

1099.426

Explanation:

4 0
3 years ago
Other questions:
  • What are indicators of a chemical reaction would you want in a reaction used in airbag?
    10·2 answers
  • Which of the following types of waste should not be recycled at home?
    8·1 answer
  • What mass of KCl is contained in 3.00 L of solution that has a molarity of 1.50M
    7·2 answers
  • 4. Calorimetry can be used to determine the specific heat capacity of different substances (not just metals). Using the online c
    10·1 answer
  • A car is traveling 71.4 kilometers per hour. What is its speed in miles per minute? One kilometer = 0.62 miles.
    7·1 answer
  • Tell correctly I will mark you brainliest...
    8·2 answers
  • If you have 40.0 g HCl and 40.0 g NaHCO3, do you have the same number of moles of each?
    14·1 answer
  • Element X has two isotopes. One has a mass of 45.0 amu and is 45.0% abundant. The other has a mass of 47.0 amu and is 55.0% abun
    10·1 answer
  • How does the lithosphere affect wildfires
    6·1 answer
  • How can a change to another population could affect births and deaths in the parrot population.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!