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Alla [95]
2 years ago
12

Which 2 characteristics do all magnets have? Check all that apply.

Chemistry
2 answers:
IRISSAK [1]2 years ago
3 0

Answer:

Attraction, and repulsion!

Explanation:

Magnets have a north pole ans south pole, so when you put south pole and south pole toghther it creates repulsion, and when you put the north pole and north pole it still creats repulsion, but when a south pole and a north pole are put together it creats attraction, your welcome!

astra-53 [7]2 years ago
3 0

Answer:

attraction and repulsion

Explanation:

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2. In the lungs, when blood enters a capillary from a vein it<br> has
antoniya [11.8K]

Answer:

This is called the pulmonary circulation. From your pulmonic valve, blood travels to the pulmonary artery to tiny capillary vessels in the lungs. Here, oxygen travels from the tiny air sacs in the lungs, through the walls of the capillaries, into the blood.

Explanation:

4 0
4 years ago
SHOW WORK AND INCLUDE UNITS
Ber [7]

Answer:

36365.4 Joules

Explanation:

The quantity of Heat Energy (Q) released on cooling a heated substance depends on its Mass (M), specific heat capacity (C), and change in temperature (Φ)

Thus, Q = MCΦ

Since, M = 45.4 g

C = 3.56 J/g°C,

Φ = 250°C - 25°C = 225°C

Q = 45.4g x 3.56J/g°C x 225°C

Q= 36365.4 Joules

Thus, 36365.4 Joules of heat energy is released when the lithium is cooled.

6 0
3 years ago
APE X What is happening to particles of matter while a change of state is taking place?
stealth61 [152]

Answer:

a. They are staying at the same speed

Explanation:

IF CORRECT PLSPLSPLS GIVE BRAINLIEST WOULD APPRECIATE :)

6 0
4 years ago
Read 2 more answers
Help ASAP!!
arlik [135]

Given :

Chlorine's 3p sub level has 5 electrons in it.

To Find :

How many electron(s) more in the 3p sub-level to make it stable.

Solution :

Electronic configuration of Chlorine is :

[Ne] 3s² 3p⁵.

We know, p-orbit is stable with 6 electronic.

Therefore, to stable p-orbit 1 more electron is required in 3p sub-level.

Hence, this is the required solution.

6 0
3 years ago
The equation shows a --the breaking and forming of chemical bonds that leads to a change in the composition of matter. 2. In the
GarryVolchara [31]

Explanation:

when electronegativity difference is from 0.0 to 0.4 then bond formed between the two atoms is non-polar covalent in nature.

When electronegativity difference is greater than 0.4 and less than 1.8 then bond between the two atoms is a polar covalent bond.

When electronegativity difference is 1.8 or greater than the bond formed is ionic in nature.

According to the given fill ups, the reaction equation is as follows.

   C_{6}H_{12}O_{6} + 6O_{2} \rightarrow 6CO_{2} + 6H_{2}O

This means the new products are formed due to the change in chemical composition of the reactants.

  • Hence, the equation shows a chemical reaction - the breaking and forming of chemical bonds that leads to a change in the composition of matter.
  • And, in the given equation CO_{2} is a product.
  • In the equation, C_{6}H_{12}O_{6} is reactant.
  • In O_{2}, the type of bond that holds the two oxygen atoms together is a non-polar covalent bond.
  • In H_{2}O, the type of bond that holds one of the hydrogen atoms to the oxygen atom is a polar covalent bond.
  • The number of oxygen atoms on the left side of the equation is equal to the number of oxygen atoms on the right side.
7 0
3 years ago
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