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alexandr1967 [171]
4 years ago
6

In the water cycle, water vapor evaporates into the atmosphere and forms clouds through condensation. What happens in the atmosp

here to the water in order for the clouds to form?
Q:
A:
A) Water drops mix with air pollution to form clouds.
B) The evaporated water warms up and moves closer together.
C) The evaporated water cools and drops get closer together.
D) The sun heats the evaporated water and the water drops move faster.
Chemistry
2 answers:
Allisa [31]4 years ago
6 0

Answer:

I think it's D)

Hope it helps! :)

netineya [11]4 years ago
6 0

I think its B im not really sure

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Assoli18 [71]

Answer:

6.Given,

Final Velocity =60m/s

Initial Velocity= 0

Time=10 sec

A=?

A=Final Velocity- Initial Velocity/time

=60-0/10

=60/10

=6m/s ans.

Explanation:

Acceleration = Final Velocity - Initial Velocity/Time

By using this Formula we can calculate Acceleration.

5 0
3 years ago
When an object is thrown, the thrower pushes the object. This causes the object to move in a
bija089 [108]

Answer:

Gains Kinetic Energy

Explanation:

Kinetic energy (KE) is the energy inserted on the object in motion. Having gained this energy enerted upon, the body maintains this kinetic energy unless its speed changes.

3 0
3 years ago
3. People and instruments produce different ranges of sound temperatures is this true or false
anzhelika [568]
True I believe since every person has a different temperature and sound waves.
6 0
3 years ago
Which isotope has the greatest number of protons?
tino4ka555 [31]

Answer:

The isotope with the greatest number of protons is:

  • <u>option D:  Pu-239, with 94 protons</u>

Explanation:

The number of <em>protons</em> is the atomic number and is a unique number for each type of element.

You can tell the number of protons searching the element in a periodic table and reading its atomic number.

Thus, this is how you tell the number of protons or each isotope

Sample       Chemical symbol  Element       atomic number   # of protons

A Pa-238       Pa                         protactinium         91                        91

B U-240         U                          uranium                 92                       92

C Np-238       Np                        neptunium            93                       93

D Pu-239        Pu                        plutonium              94                       94

8 0
3 years ago
Are the bonds in each of the following substances ionic, nonpolar covalent, or polar covalent? (a)KCl (b)P4 (c)BF3 (d)SO2 (e)Br2
larisa [96]

Answer:

(a) Ionic

(b) Nonpolar covalent

(c) Polar covalent

(d) Polar covalent

(e) Nonpolar covalent

(f) Polar covalent

<em>For those substances with polar covalent bonds, which has the least polar bond?</em> NO₂

<em>For those substances with polar covalent bonds, which has the most polar bond?</em> BF₃

Explanation:

<em>Are the bonds in each of the following substances ionic, nonpolar covalent, or polar covalent?</em>

The nature of a bond depends on the modulus of the difference of electronegativity (|ΔEN|) between the atoms that form it.

  • If |ΔEN| = 0, the bond is nonpolar covalent.
  • If 0 < |ΔEN| ≤ 2, the bond is polar covalent.
  • If |ΔEN| > 2, the bond is ionic.

<em>(a) KCl</em>    |ΔEN| = |EN(K) - EN(Cl)| = |0.8 - 3.0| = 2.2. The bond is ionic.

<em>(b) P₄</em>      |ΔEN| = |EN(P) - EN(P)| = |2.1 - 2.1| = 0.0. The bond is nonpolar covalent.

<em>(c) BF₃</em>    |ΔEN| = |EN(B) - EN(F)| = |2.0 - 4.0| = 2.0. The bond is polar covalent.

<em>(d) SO₂</em>   |ΔEN| = |EN(S) - EN(O)| = |2.5 - 3.5| = 1.0. The bond is polar covalent.

<em>(e) Br₂</em>    |ΔEN| = |EN(Br) - EN(Br)| = |2.8 - 2.8| = 0.0. The bond is nonpolar covalent.

<em>(f) NO₂</em>   |ΔEN| = |EN(N) - EN(O)| = |3.0 - 3.5| = 0.5. The bond is polar covalent.

7 0
4 years ago
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