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4vir4ik [10]
3 years ago
15

When substances go through chemical changes, which of the following will always happen? A. Exactly one new substance will form a

nd one will be destroyed. B. One or more substances with different chemical properties will form. C. One or more substances will be completely destroyed. D. A gas will form or a white solid will precipitate.
Chemistry
2 answers:
tiny-mole [99]3 years ago
4 0
I think b is the answer 
stira [4]3 years ago
3 0
B. one or more new substances form with different chemical properties.
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Identifying importance of carbon
GalinKa [24]

<u>Carbon is an essential element for all life forms on Earth. Whether these life forms take in carbon to help manufacture food or release carbon as part of respiration, the intake and output of carbon is a component of all plant and animal life. Carbon is in a constant state of movement from place to place.</u>

3 0
2 years ago
No spam or links! Thanks!
Monica [59]

Answer:

364 K or 91°C

Explanation:

Applying,

V₁/T₁ = V₂/T₂................ Equation 1

Where V₁ = Initial Volume, V₂ = Final volume, T₁ = initial Temperature, T₂ = final Temperature.

make T₂ the subject of the equation,

T₂ = V₂T₁/V₁................. Equation 2

From the question,

Given: V₁ = 375 mL, V₂ = 500 mL, T₁ = 0.0°C = (273+0) K = 273 K

Substitute these values into equation 2

T₂ = (500×273)/375

T₂ = 364 K

T₂ = (364-273) °C = 91 °C

5 0
3 years ago
Name five solvents available to the organic chemistry for use in the purification of organic compounds.
DiKsa [7]

Explanation:

The solvent is a base or medium , in which reaction takes place ,

Mostly organic solvents have hydrogen and carbon , and is purposely used to dissolve the organic sample .

The example of organic solvents , used in laboratory are as follows -

 

1. Toluene

2. Hexane

3. Pentane

4. Benzene

5. Methanol

5 0
3 years ago
Please help me I need help.
77julia77 [94]
I believe it’s B nonnative species introduction
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3 years ago
Read 2 more answers
What’s the 3 matter
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I don’t know sorry
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2 years ago
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