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Romashka-Z-Leto [24]
4 years ago
8

opposite poles of different magnet will attract each other and light poles or repel each other this is an example of which of th

e following?
Chemistry
1 answer:
Galina-37 [17]4 years ago
4 0
Its an example of the law of domains
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Which poison can be identified by a color test?
marysya [2.9K]
Phosphorus, copper, carbon monoxide, hydro cyanic acid, nitrates, potassium chlorate, and aniline are some of the examples of poison that can be identified by a color test according to forensic pathology.


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
4 0
3 years ago
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Calculate the [H3O+] of an aqueous solution that is 2.42 × 10−7 M in OH−.
kompoz [17]

Answer:

The (H30+) is 4,13x10-8

Explanation:

We use the formula

Kwater = (H30 +) x (OH-)

1.00e-14 = (H30 +) x 2.42e-7

(H30 +) = 1.00e-14 / 2.42e-7 = 4.13e-8M

4 0
4 years ago
A certain amount of gas at 25 C and at a pressure of 0.800 atm is contained in a glass vessel. Suppose that the vessel can with
sp2606 [1]

Answer:

=745 Kelvin

Explanation:

  • According to the pressure law the relationship between the pressure and absolute temperature of a  gas at a constant volume is directly proportional.
  • An increase in temperature causes a corresponding increase in pressure at a constant volume.

That is;

P\alpha T

Mathematically;

P = kT\\(Constant)k =\frac{P}{T} \\

When there are two varying conditions;

\frac{P1}{T1} =\frac{P2}{T2}

In this case;

P1 = 0.8 atm

T1 = 25+273 = 298 K

P2 =2.00 atm

T2= ?

Therefore;

T2= \frac{P2T1}{P1}

T2= \frac{(2)(298)}{0.8}

= 745 K

Therefore, the temperature can be raised up to 745 kelvin without bursting vessel.

8 0
3 years ago
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What is another name for producer why are they called this​
just olya [345]

Answer:

Autotrophs

Explanation:

They are responsible for the production of food. Root words "auto" for self and "troph" for food.

3 0
3 years ago
SOMEONE PLEASE HELP ME ITS SCIENCE
andreev551 [17]

Answer:

2

Explanation:

The total number of atoms in silver sulfate Ag2SO4 is 2

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3 years ago
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