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Anna35 [415]
2 years ago
15

What is the amount of mass per unit volume of a material

Chemistry
2 answers:
Ymorist [56]2 years ago
8 0
Mass/volume I think so
marshall27 [118]2 years ago
3 0
Mass per unit volume is nothing but density of an body density = Mass/Volume. hope this helps. :)
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Help for a magazine article on horses for my little sister:
Maksim231197 [3]

Answer:

Elizabeth Madden. Palomino.  2-3 years old. Horses can sleep both lying down and standing up.  Horses can run shortly after birth.  Domestic horses have a lifespan of around 25 years. Ride a bike.

Explanation:

6 0
3 years ago
A scientist discovers a new substance. The molecules of the substance form hydrogen bonds with each other. When the molecules lo
wariber [46]

The answer is: It expands when it freezes.

When molecule frezes, it lose energy. When molecules are far apart, it means the volume is greater and it expands.  

For example, ice expands when water is freezing.  

Hydrogen bond is an electrostatic attraction between two polar groups that occurs when a hydrogen atom (H), covalently bound to a highly electronegative atom such as flourine (F), oxygen (O) and nitrogen (N) atoms.  

6 0
3 years ago
What name is given to group II elements in the periodic table
lana66690 [7]

Answer:

alkaline earth metals

hope this helps

have a good day :)

Explanation:

6 0
2 years ago
Read 2 more answers
Write the balanced reaction and solubility product expression (KSP) for dissolving silver chromate: Ag2CrO4(s). Include all char
Sonbull [250]

Answer:

2Ag⁺ (aq)  + CrO₄⁻² (aq) ⇄  Ag₂CrO₄ (s) ↓

Ksp = [2s]²  . [s] → 4s³

Explanation:

Ag₂CrO₄ → 2Ag⁺  + CrO₄⁻²

Chromate silver is a ionic salt that can be dissociated. When we have a mixture of both ions, we can produce the salt which is a precipitated.

2Ag⁺ (aq)  + CrO₄⁻² (aq) ⇄  Ag₂CrO₄ (s) ↓ Ksp

That's the expression for the precipitation equilibrium.

To determine the solubility product expression, we work with the Ksp

Ag₂CrO₄ (s)  ⇄ 2Ag⁺ (aq)  + CrO₄⁻² (aq)   Ksp

                          2 s                 s

Look the stoichiometry is 1:2, between the salt and the silver.

Ksp = [2s]²  . [s] → 4s³

 

3 0
3 years ago
A fossilized leaf contains 24% of its normal amount of carbon 14. how old is the fossil (to the nearest year)? use 5600 years as
sergij07 [2.7K]
The Half life is the time taken for a radioisotope or a radioactive substance to decay by half its original amount. The half life of carbon 14 is 5600 years. 
Original mass is 100%
Remaining amount is 24% 
Therefore; 0.24 = 1 × (1/2)^n
                     n = log 0.24/log 0.5
                        = 2.06
therefore, the age of the fossil is 5600×2.06
 = 11529.8 
 ≈ 11529 years

7 0
3 years ago
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