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algol13
3 years ago
6

Which of the following is not an intensive physical property of matter?

Chemistry
1 answer:
Step2247 [10]3 years ago
5 0

Answer:

Concentration

Explanation:

Amount of substance concentration often called simply concentration, is a quantitative measure of the number of atom s per unit volume in a sample of a matter.

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Calculate the number of moles when 3.00l of a gas at 814 mmhg and 25 °c?
Mariulka [41]
  • Volume=V=3L
  • Pressure=P=814mmHg
  • Temp=T=25°C

So

No of moles=n

\\ \rm\rightarrowtail PV=nRT

\\ \rm\rightarrowtail n=\dfrac{PV}{RT}

\\ \rm\rightarrowtail n=\dfrac{814(3)}{25R}

\\ \rm\rightarrowtail n=2442/25R

\\ \rm\rightarrowtail n=97.7Rmol

5 0
2 years ago
A cylindrical tube 13.5 cm high and 4.5 cm in diameter is used to collect blood samples. How many cubic decimeters (dm3) of bloo
Aleks [24]

Answer:

The cylindrical tube can hold 0.215 cubic decimeters of blood.

Explanation:

Diameter of the cylindrical tube = d = 4.5 cm

r = d/2 ,r = 2.25 cm

Height of the cylindrical tube = h = 13.5 cm

Volume of the cylinder = V = \pi r^2h

V=3.14\times (2.25 cm)^2\times 13.5 cm

V=214.6 cm^3=0.2146 dm^3\approx 0.215 dm^3

1 cm^3=0.001 dm^3

The cylindrical tube can hold 0.215 cubic decimeters of blood.

3 0
3 years ago
A conductor is distinguished from an insulator with the same number of atoms by the number of:_____.
Savatey [412]

A conductor is distinguished from an insulator with the same number of atoms by the number of nearly free electrons.

<h3>What are conductors and insulators?</h3>

Whether an object is made of conductive or nonconductive material affects how it behaves once it has been charged. Electrons can move freely between particles when they are in conductors, which are substances. The charge can be transported across the whole surface of an object constructed of a conducting substance.

A charge is swiftly dispersed across the full surface of the object if it is applied to it at a specific point. The motion of the electrons causes the distribution of charge. A charged object will constantly disperse its charge until the overall repulsive interactions between surplus electrons are minimized because conductors allow electrons to be moved from particle to particle.

Insulators, as opposed to conductors, are substances that prevent electrons from freely moving from one atom or molecule to another.

To know more about Conductor and Insulator visit: brainly.com/question/20102785

#SPJ4

The complete question is:

"A conductor is distinguished from an insulator with the same number of atoms by the number of:

A. nearly free atoms

B. electrons

C. nearly free electrons

D. protons

E. molecules"

5 0
10 months ago
In some parts of the galaxy, electrons in hot hydrogen gas may be excited to very high quantum levels. Calculate the wavelength
CaHeK987 [17]
In some parts of the galaxy, electrons in hot hydrogen gas may be excited to very high quantum levels. Calculate the wavelength of light that would be emitted if electrons moved from the ð‘›=10 shell to the ð‘›=2 shell λ=___nm
3 0
2 years ago
The storage method used for radioactive wastes generated from fission nuclear reactors must be designed to last for how long?
satela [25.4K]

Answer:

The right answer is centuries

Explanation:

7 0
3 years ago
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