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olchik [2.2K]
3 years ago
8

Which of the following statements is true? Running an electric current through a magnet can create a magnetic field. Electric en

gines change electricity into magnetism. The strength of a magnetic field increases with distance. Electrons are found in the nucleus of an atom.
Chemistry
2 answers:
malfutka [58]3 years ago
7 0

Answer:

A-Running an electric current through a magnet can create a magnetic field.

Explanation:

The answer is A-Running an electric current through a magnet can create a magnetic field. I chose B and got it wrong on my test. The correct one is A

r-ruslan [8.4K]3 years ago
6 0

Electric engines change electricity into magnetism

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Which of the following acts as a catalyst in your body? A. Sweat B. Enzymes C. Blood cells D. Sugar
Alenkasestr [34]
The answer is B. Enzymes.

Enzymes are biological catalysts that help cause reactions in your body.
3 0
3 years ago
Plz help :(
ziro4ka [17]
<h2>Answer:0.5 moles,1 mole</h2>

Explanation:

Sr(NO_{3})_{2} is readily soluble in water.

Sr(NO_{3})_{2} dissolves in water to give Sr^{2+} ions and NO_{3}^{-} ions.

The reaction is

Sr(NO_{3})_{2}→Sr^{2+}+2NO_{3}^{-}

So,1 mole of Sr(NO_{3})_{2} gives 1 mole of Sr^{2+} and 2 moles of NO_{3}^{-}.

So,0.5 moles of Sr(NO_{3})_{2} gives 0.5 moles of Sr^{2+} and 1 mole of NO_{3}^{-}.

5 0
3 years ago
. Give an example of a salt that is less soluble when the temperature increases
77julia77 [94]

Answer:

cerium (iii) sulfate is less soluble

6 0
2 years ago
Read 2 more answers
Which metalloid is often found in microchips, semiconductors, and sand?a. boron b. arsenic c. germanium d. silicon​
elena-14-01-66 [18.8K]

Answer:

silicon

Explanation:

Silicon. Silicon is often found in electronic devices, as well as the sand.

hope this helps UwU

5 0
2 years ago
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A Wisconsin farmer taps a maple tree and collects 200 liters of sap. He determines the sucrose (C12H2011) concentration to be 0.
Minchanka [31]

Answer:

6.0 L

Explanation:

Use the dilution equation M1V1 = M2V2

M1 = 0.075 M

V1 = 200 L

M2 = 2.5 M

V2 = ?

Solve for V2 --> V2 = M1V1/M2

V2 = (0.075 M)(200 L) / (2.5 M) = 6.0 L

4 0
2 years ago
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