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Zielflug [23.3K]
2 years ago
13

(3 x 104) (4 x 1023)

Chemistry
2 answers:
Ksivusya [100]2 years ago
3 0

Answer:

1 x 10^28

Explanation:

  • this what the scientific notati0N
Soloha48 [4]2 years ago
3 0

Answer:

1276704

Explanation:

Do what is in parenthesis first then multiply them together.

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The nucleus of the cell
Stells [14]

Answer:

c

Explanation:

it is c because that is the andwer

3 0
3 years ago
A student plots the magnetic field of a bar magnet using a compass the student centers the bar magnet in the middle of a piece o
olga55 [171]

The diagram best shows the magnetic field around the bar magnet is the diagram in option B.

<h3>What is the magnetic field?</h3>

The magnetic field refers to the region in space where the influence of a magnet can be felt. We know that strength of magnet can be seen by following the magnetic lines of force. The more the magnetic lines of force, the stronger the magnetic field especially when the line are packed closely together.

Looking at the diagrams of the magnetic lines of force, it must be recalled that the magnetic lines of force runs from the north pole to the south pole and not the other way round.  

Thus, the diagram best shows the magnetic field around the bar magnet is the diagram in option B.

Learn more about magnetic field:brainly.com/question/14848188

#SPJ1

4 0
2 years ago
Sodium tripolyphosphate is used in detergents to make them effective in hard water. Calculate the oxidation number of phosphorus
xz_007 [3.2K]
The answer for this question is A
4 0
3 years ago
Read 2 more answers
g, Assuming the precipitate is totally insoluble in water, which aqueous ions will be present in the solution (collected in the
Allushta [10]

Answer:

Cl⁻, Na⁺, OH⁻

Explanation:

The titration is:

CuCl₂(aq) + 2 NaOH(aq) → Cu(OH)₂(s) + 2 NaCl(aq)

In solution, before the reaction, the ions are Cu²⁺ and Cl⁻. The addition of NaOH (Na⁺ + OH⁻) produce the precipitation of Cu²⁺ forming Cu(OH)₂(s). When you reach the equivalence point, there is no Cu²⁺ because precipitates completely. All OH⁻ ions reacts when are added but when Cu²⁺ is finished, excess OH⁻ ions still in solution helping to detect the equivalence point.

Thus, ions present after the equivalence point are:<em> Cl⁻, Na⁺</em> (Don't react, spectator ions), and <em>OH⁻</em>.

3 0
3 years ago
A 2.75 M solution is diluted to 0.706 M, if the starting volume was 0.833L, what is the new volume?
Nitella [24]

Answer:

3.2447

Explanation:

m1v1 = m2v2

8 0
2 years ago
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