1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
zvonat [6]
1 year ago
11

an atmosphere is considered hazardous if it contains a hazardous gas in excess of 10 percent of the hazardous material's:

Chemistry
1 answer:
svlad2 [7]1 year ago
6 0

Lower flammable limit means the lowest concentration of a material that will propagate a flame.

What is hazardous atmosphere?

It is an atmosphere that may expose employees to risk of death, incapacitation, impairment of ability to self-rescue, injury, or acute illness from one or more of following causes

  • Flammable gas, vapor, or mist in excess of 10 percent of lower flammable limit (LFL)
  • Airborne combustible dust at concentration that meets or exceeds its LFL

What is lower flammable limit?

  • It means the lowest concentration of a material that will propagate a flame.
  • The LFL is usually expressed as percent by volume of material in air (or other oxidant)
  • Atmospheres with concentration of flammable vapors at or above 10 percent of lower explosive limit (LEL) are considered hazardous when located in confined spaces.
  • However, atmospheres with flammable vapors below 10 percent of LEL are not necessarily safe. Such atmospheres are too lean to burn

Learn more about lower flammable limit at brainly.com/question/2456135

#SPJ4

You might be interested in
When elements that form a mineral dissolve in hot water, they form a mixture called a(n) ______.?
Serhud [2]
<span>Soluble materials when put in a hot water would dissolve. </span>
4 0
3 years ago
Consider the decomposition of red calx of mercury (HgO) into its elements as follows:
GREYUIT [131]
¿What? For you bye, i love you, no sabo ingles.
8 0
2 years ago
A 24.00 mL sample of a solution of Pb(ClO3)2 was diluted with water to 52.00 mL. A 17.00 mL sample of the dilute solution was fo
klio [65]

Answer:

0.238 M

Explanation:

A 17.00 mL sample of the dilute solution was found to contain 0.220 M ClO₃⁻(aq). The concentration is an intensive property, so the concentration in the 52.00 mL is also 0.220 M ClO₃⁻(aq). We can find the initial concentration of ClO₃⁻ using the dilution rule.

C₁.V₁ = C₂.V₂

C₁ × 24.00 mL = 0.220 M × 52.00 mL

C₁ = 0.477 M

The concentration of Pb(ClO₃)₂ is:

\frac{0.477molClO_{3}^{-} }{L} \times \frac{1molPb(ClO_{3})_{2}}{2molClO_{3}^{-}} =0.238M

4 0
3 years ago
What occurs when a coordinate covalent bond is formed between nitrogen and hydrogen in the ammonium ion, NH4+?
NeX [460]
Covalent bonds are formed when electrons are shared between elements that are nonmetals. The ammonium ion, NH+4 , would have covalent bonds because both nitrogen and hydrogen are nonmetals. ... So, the bond between this particular hydrogen atom and the central nitrogen is a dative covalent bond.
4 0
3 years ago
What environment will produce the largest crystal sizes?
VMariaS [17]
  • The pressure should be low as low pressure can melt the crystals easier way
  • According to Gay lussac's law pressure is directly proportional to temperature so temperature should be also low as it's general any thing need to be cooled down inorder to get crystallised
  • Now for amount of dissolved solids the solution should be super saturated like magma .It denotes that the particles present as solute must be greater than the solubility.
  • Cooling time also should be long inorder to give time to crystallization
3 0
2 years ago
Other questions:
  • Help me please thanks
    6·1 answer
  • Which is not a particle within an atom
    9·2 answers
  • For each example of a phase change, identify whether heat is absorbed from the surroundings or
    11·1 answer
  • The particles of longitudinal waves vibrate by pushing together and moving apart parallel to the direction in which the wave tra
    10·1 answer
  • A harbour seal's flipper and a human hand have a very similar structure, but function differently. This is an example
    5·2 answers
  • A Moving to another question will save this response.
    15·1 answer
  • What happens if you don't disconnect the wires in a series circuit?
    5·1 answer
  • Most scientists believe that perpetual motion devices can never be invented, but people come up with new ideas for them all the
    11·1 answer
  • How to write the ionic formula for the K1+, MnO41- pair of ions
    5·1 answer
  • Emperical formula for Al³⁺
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!