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hjlf
3 years ago
6

The lowest temperature at which a flammable liquid gives off enough vapor to form an ignitable mixture in air describes or defin

es its
Chemistry
2 answers:
Ugo [173]3 years ago
8 0
The flash point is the lowest temperature at which a flammable liquid gives off enough vapor to ignite.
Greeley [361]3 years ago
8 0

Answer:  Flash Point

Explanation:  Volatile substance is the substance which can easily catch fires.

Thus, there must be a point to define that temperature when the volatile substance catches fire given enough source of flame. This point is known as Flash Point.

Thus, Flash point is defined as the lowest temperature at which the flammable or volatile liquid catches fire and convert itself into the ignitable mixture when enough source of ignition is given.

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Write dissociation equations for the following soluble salts dissolving in water. Then draw a particle - level representation fo
zhuklara [117]

Answer:

The dissociation equations for NaBr gives Na+ and Br-

The dissociation equations for ZnCl2 gives Zn2+ and 2 Cl-  

Explanation:

The following pictures shows that the dissociation of one particle of NaBr produces one particle of Na+ (sodium cation) and one particle of Br- (bromine anion).

The dissociation of one particle of ZnCl2 produces one particle of Zn+2 (Zinc cation) and two particles of Cl- (chlorine anion).

8 0
4 years ago
List two processes from which it may be concluded that the particles of a gas move continuously.
ziro4ka [17]

Answer:

The two processes maybe:

  • One process can be the spread of smell of perfume . Tge particles of perfume mic in the air and reaches every corner of tge room because they are moving

  • Second can be the smell of food that reaches us in seconds . This case too tells that the aroma of the food particles gets intermixed and come to us .
5 0
4 years ago
Which cell structure is correctly paired with its primary function?
Butoxors [25]

Answer:

C

Explanation:

Mitochondria provides energy (ATP) for cells to use

Nucleus provides genetic code (DNA)

Ribosomes assemble amino acids chains based on the DNA from nucleus to form proteins

6 0
4 years ago
Convert 8.4 • 10^16 molecules of CO2 to moles
Degger [83]

Answer:

0.00000000000000084

Explanation:

8 0
3 years ago
A flying airplane is affected by which force or forces? A. friction only B. gravity only C. gravity and friction only D. gravity
alekssr [168]

Answer:

D. gravity, friction, and an applied force.

Explanation:

There are 4 forces that act on an airplane in motion and they are:

Gravity and drag:

It acts in a downward direction—toward the center of the Earth.

Lift:

It is the force that acts at a right angle to the direction of motion through the air. Lift is created by differences in air pressure.

Thrust:

It is the force that propels a flying machine in the direction of motion.

6 0
3 years ago
Read 2 more answers
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