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geniusboy [140]
3 years ago
9

A non-conservative force acting on a particle:_________.

Chemistry
1 answer:
Tpy6a [65]3 years ago
3 0

Answer: Option A.

does work that can depend on the path of motion.

Explanation:

A non-conservative force acting on a particle does work that can depend on the path of motion because a non conservative force is a type of force that can remove energy from a progressive system and this energy cannot be restored back and the forces are path dependent because it matters where the particle begin or end.

It is a type of force such as friction or air resistance. This type of force does work that only depend on the path of motion.

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What happened after the gas syringe was inserted into the flask with the methane gas?
ad-work [718]
When a syringe  is  inserted  into    the  flask  containing  methane  gas  the  plunger  of  the  syringe  is  raise  up.  This  led  to  filling  of  the  syringe  with  the  gas.This  relate  to  Charles  law   which  explain how  gas  expand with  increase  in  temperature.
7 0
3 years ago
Water alone does not easily remove grease from dishes or hands because grease is nonpolar and water is polar. The addition of so
rewona [7]

Answer:

Micelle Formation

Explanation:

The soap molecule has a nonpolar and a polar cationic end when it is dissolved in water. When it dissolves in water, the sodium stearate congregates to form small spheres (called micelles) with the on the inside and the on the surface. The anionic end can attract and interacts with the polar water molecules, while the interact with the nonpolar grease. This allows the soapy water to remove the grease by trapping the grease inside the micelle.

3 0
3 years ago
What element breaks down into yttrium-90?
atroni [7]

The correct answer is Strontium-90.

Strontium-90 breaks down into yttrium-90.

Strontium-90  is a radioactive isotope of strontium. It undergoes β− decay into yttrium-90. A decay energy of 0.546 MeV is also released.

⁹⁰₃₈Sr   -> ⁰₋₁e + ⁹⁰₃₉Yr

Beta particle has the charge and mass of an electron. Upon the release of a beta particle, the mass number of Sr remains unchanged but the atomic number of Sr increases by 1. As a result both Sr and Yt have mass number 90, however, Sr and Yt have atomic numbers 38 and 39 respectively.

8 0
4 years ago
Organs _____.
Anarel [89]

Answer:

A

Explanation:

organs are made of tissue so it can't be D.

plant are made up of organs like roots, leaves, etc. so it can't be C.

skin (is an organ) is made up to 7 layers of ectodermal tissue so isn't B.

6 0
4 years ago
What is the mass of bromine gas if it has a pressure of 720 mmHg, volume of 25mL and a temperature of 18.3 degrees Celsius
Annette [7]

Answer:

             Mass = 0.158 g

Explanation:

Formula used,

P V = n R T

Or,

n = P V / R T

Putting values,

n = 0.948 atm . 0.025 L / 0.0821 L.atm.K⁻¹.mol⁻¹ . 291.45

n = 0.00099 mol

Note: we have changed pressure from mmHg to atm, volume from mL to L and temperature from C to K)

Also,

Mass = n . Molecular Mass

Mass = 0.00099 mol × 159.808 g/mol

Mass = 0.158 g

7 0
2 years ago
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