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Bezzdna [24]
3 years ago
14

Picture below need done by 2:30 thanks, God bless your week

Chemistry
2 answers:
AURORKA [14]3 years ago
7 0

Answer:

1. <u>Evaporation</u> :- The changing of a liquid to a gas.

2. <u>Automobile</u> :- The major source of pollution.

3. <u>Greenhouse</u><u> effect</u> :- Carbon dioxide and water vapour trapping heat gives off by Earth.

4. <u>Ozonosphere</u> :- Layer absorbing ultraviolet rays.

5. <u>Condensation</u> :- The changing of gas to a liquid.

6. <u>Ionosphere</u> :- Layer responsible for reflecting radio waves.

7. <u>Tr</u><u>o</u><u>posphere</u> :- The layer in which weather changes.

Leviafan [203]3 years ago
5 0

1. \sf \bf {\boxed {\mathbb {Evaporation}}} - The changing of liquid to a gas.

2. \sf \bf {\boxed {\mathbb {Automobile}}} - The major source of pollution.

3. \sf \bf {\boxed {\mathbb {Greenhouse \:effect}}} - Carbon dioxide and water vapor trapping heat given off by Earth.

4. \sf \bf {\boxed {\mathbb {Ozonosphere}}} - Layer absorbing ultraviolet rays.

5. \sf \bf {\boxed {\mathbb {Condensation}}} - The changing of a gas to a liquid.

6. \sf \bf {\boxed {\mathbb {Ionosphere}}} - Layer responsible for reflecting radio waves.

7. \sf \bf {\boxed {\mathbb {Troposphere}}} - The layer in which weather changes.

\large\mathfrak{{\pmb{\underline{\orange{Mystique35 }}{\orange{❦}}}}}

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A beaker containing 6.32 moles of PBr3, contains___
NISA [10]

Answer:

3.8 x 10²⁴molecules

Explanation:

Given parameters:

Number of moles  = 6.32moles

Unknown:

Number of molecules  = ?

Solution:

The number of moles can be used to derive the number of molecules found within a substance.

Now,

       1 mole of substance contains 6.02 x 10²³ molecules

     6.32 mole of PBr₃ will contain 6.32 x 6.02 x 10²³ = 3.8 x 10²⁴molecules

8 0
3 years ago
Consider the following equilibrium:
Ainat [17]

<u>Answer: </u>The equation which is wrong is K_p=K_c(RT)^{-5}

<u>Explanation:</u>

For the given reaction:

4Fe(s)+3O_2(g)\rightarrow 2Fe_2O_3(s)

The expression for K_c\text{ and }K_p is given by:

K_c=\frac{1}{[O_2]^3}

K_p=\frac{1}{[O_2]^3}

The concentration of solids are taken to be 1, only concentration of gases and liquid states are taken. The pressure of only gases are taken.

Relationship between K_p\text{ and }K_c is given by the expression:

K_p=K_c\times (RT)^{\Delta n_g}

where,

\Delta n_g= number of moles of gaseous products - number of moles of gaseous reactants

R = gas constant

T= temperature

For the above reaction,

\Delta n_g = number of moles of gaseous products - number of moles of gaseous reactants = 0 - 3 = -3

Hence, the expression for K_p is:

K_p=K_c\times (RT)^{-3}

Therefore, the equation which is wrong is K_p=K_c(RT)^{-5}

7 0
3 years ago
Which of the following statements provide evidence to support the big bang theory? Select the two correct answers. i need help p
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Answer:

See explaination

Explanation:

CBR (Cosmic Background Radiation)-

Uniform energy that is heard everywhere in the universe. It supports the Big Bang Theory because we can assume that it also started in the same place.

Hubble's Law-

Hubble's Law states that the planets are getting farther away from eachother, therefore, the universe is expanding and must have started as a smaller piece.

8 0
3 years ago
Which of the following is true for all chemical reactions
Zolol [24]
The answer to the question is C
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HELP PLEASEEEEEEEEEEEEEEEEEE I CANT GO CANRVIL IF I CANT PASS THIS THEY WANNA SEE MY GRADES AND THIS WILL HELP ME GET MY GRADES
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Answer:

3,3453 thank me later

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1,3433

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