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Keith_Richards [23]
3 years ago
13

Which are homogeneous mixtures? Check all that apply.

Chemistry
1 answer:
Furkat [3]3 years ago
8 0

Vinegar

Sugar water

Soda pop in a sealed bottle

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What subatomic particle was discovered with the use of a cathode-ray tube
slamgirl [31]

Answer:

The correct answer is: Electron

Explanation:

Electron (e⁻) is the negatively charged subatomic particle that has an electric charge of -1e (−1.6022 ×10⁻¹⁹ C). It was discovered by the English physicist, Sir Joseph John Thomson (J. J. Thomson) in the year 1897 by the <em>cathode ray experiment</em>.

In the cathode ray experiment, <u>Sir Joseph John Thomson used the </u><em><u>cathode ray tubes</u></em><u> </u><u>to conclude the presence of negatively charged small subatomic particle, known as electrons, in all atoms.</u>

3 0
3 years ago
what acid-base properties can determine if a household chemical is an acid, base, or neutral substance.
damaskus [11]

if it is edible you can taste it if it taste bitter its a base and if it taste sour then it is a acid if it taste like nothing like water would it would be a neutral substance.you could also order a ph tester which is just a liquid that you drop in it.

yw:)

8 0
3 years ago
Which mineral can be easily scratched by a finger nail, has cleavage, a metallic luster and has a black streak? 11. Which two el
Kobotan [32]

Answer:

Galena

Explanation:

Galena is also known as lead glance. This is a natural mineral of the form lead(II) sulfide. It is one of the most important ore for lead. It is widely found and is mainly distributed in sulfide minerals.

Galena can be easily scratched by finger nails. It has black streak and have a metallic luster. Galena have cleavage. It usually occurs as cubic crystals.

3 0
3 years ago
Balance the redox reaction equation (occurring in acidic solution) and choose the correct coefficients for each reactant and pro
algol13
Balanced chemical reaction: 
PbO₂<span>(s) + Sn(s)+ 4H</span>⁺(aq) → Pb²⁺(aq) + Sn²⁺(aq) + 2H₂O<span>(l).
Oxidation half-reaction: Sn </span>→ Sn²⁺ + 2e⁻.<span>
Reduction half-reaction: PbO</span>₂ + 4H⁺ + 2e⁻ → Pb²⁺ + 2H₂O.
Net reaction: Sn + PbO₂ + 4H⁺ + 2e⁻ → Sn²⁺ + 2e⁻ + Pb²⁺ + 2H₂O.
Oxidation is increase of oxidation number, reduction is decrease of oxidation number.
6 0
4 years ago
3) Which solution has the highest boiling point at
Arturiano [62]

D. 0.10 M K3PO4(aq)

Explanation:

hope this helps :)

8 0
3 years ago
Read 2 more answers
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