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Mila [183]
3 years ago
14

You mix a blue and a clear liquid together and they turn bright green. Has a chemical reaction occurred?

Chemistry
2 answers:
Margarita [4]3 years ago
7 0
Yes because color change is a sign of a chemical reaction.
anastassius [24]3 years ago
6 0

YES A CHEMICAL REACTION HAS OCCURRED. A COLOR CHANGE INDICATES THAT A CHEMICAL REACTION HAS TAKEN PLACE. THIS IS THE CORRECT ANSWER BECAUSE IM A SAVAGE. HAVE A BLESSED DAY. (:

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What’s the difference between internal stimuli and external stimuli
oee [108]

Answer:

An external stimuli is a stimulus that comes from outside an organism and causes a reaction.An internal stimuli is a stimulus that comes from inside an organism.

3 0
2 years ago
Describe 5 importance matter to undergo changes​
Rzqust [24]

Answer:

melting, freezing, sublimation, deposition, condensation, and vaporization. These changes

Explanation:

hope it helps...i dont know if its right but i hope it helps

3 0
3 years ago
guys please help me WILL MARK BARINLIEST If you have 5.7 x 10^24 molecules of O2 at STP, how many liters of O2 do you have? must
zmey [24]

Answer:

212.8 dm^3 or L

Explanation:

1 mole of any sub=6.02×10^23 molecules

X mole of O2=5.7×10^24 molecules

X mole=5.7×10^24/6.02×10^23

=9.5 mole

1 mole of any gas at stp=22.4 dm^3

Therefore, 9.5 mole of O2 will be 22.4×9.5

=212.8 dm^3

5 0
2 years ago
A good hypothesis must be which of the following?
yanalaym [24]
Testable, that is always required for a hypothesis. Otherwise, how can you prove it?
8 0
3 years ago
Read 2 more answers
Sulfur dioxide gas (SO2) reacts with excess oxygen gas (O2) and excess liquid water (H2O) to form liquid sulfuric acid (H2SO4).
inessss [21]
A.2SO₂ + O₂ + 2H₂O → 2H₂SO₄
B.Moles of SO₂ = 67.2 / 22.4Moles of SO₂ = 3 molesMoles of H₂SO₄ = 3 molesMass of H₂SO₄ = 3 x 98Mass of H₂SO₄ = 294 grams
Assuming sulfuric acid to have the same density as water,density = 1000 g / LVolume = mass / densityVolume = 294 / 1000Volume = 0.29 liters of sulfuric acid

6 0
3 years ago
Read 2 more answers
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