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anzhelika [568]
3 years ago
13

Lab Investigator: Chemical reactions cannot be used for what?

Chemistry
2 answers:
yan [13]3 years ago
8 0

C.  Viewing all chemical reaction in a laboratory

hope this helps :)


Murrr4er [49]3 years ago
6 0


viewing any chemical reaction in a labitory
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HELP!! SYNTHESIS QUIZ!!
Juliette [100K]
Ok it’s 38 so I hope that helps ok
6 0
3 years ago
A solution of NaF is added dropwise to a solution that is 0.0144 M in Ba2+. When the concentration of F- exceeds ________ M, BaF
BARSIC [14]

Answer:

When the concentration of F- exceeds 0.0109 M, BaF2 will precipitate.

Explanation:

Ba²⁺(aq) + 2 F⁻(aq) <----> BaF₂(s)

When BaF₂ precipitates, the Ksp relation is given by

Ksp = [Ba²⁺] [F⁻]²

[Ba²⁺] = 0.0144 M

[F⁻] = ?

Ksp = (1.7 × 10⁻⁶)

1.7 × 10⁻⁶ = (0.0144) [F⁻]²

[F⁻]² = (1.7 × 10⁻⁶)/0.0144 = 0.0001180555

[F⁻] = √0.0001180555 = 0.01086 M = 0.0109 M

Hope this Helps!!!

7 0
3 years ago
QUESTION 5
amid [387]

Answer:

m+/+

commen+/0

para +/-

compe-/-

Explanation:

8 0
3 years ago
Which of the following mixture types can be filtered to remove solute? (1 point) suspensions only colloids only suspensions and
mixer [17]
The correct answer is suspensions only. The suspension is a heterogeneous mixture that contains solid particles that are largely enough to undergo sedimentation. Usually, these particles are about one micrometer which makes these solute to be very easy to be free from their solvent and be filtered.
8 0
3 years ago
Read 2 more answers
Pick the correct products for the following reaction acid + metal reaction: 2 HNO3 + Co --&gt;
MrMuchimi

Answer:

2. Co(NO3)2 + H2

Explanation:

Hello,

In this case, we are evidencing a simple displacement reaction wherein the cobalt is able displace the hydrogen to produce cobalt (II) nitrate and gaseous hydrogen as a result of cobalt's higher activity:

2 HNO_3 + Co\rightarrow Co(NO_3)_2+H_2

Therefore, answer is 2. Co(NO3)2 + H2.

Best regards.

3 0
3 years ago
Read 2 more answers
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