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Triss [41]
3 years ago
11

A chemical that causes a sudden, almost instantaneous release of pressure, gas and heat when subjected to sudden shock, pressure

or high temperatures best describes which type of DOT hazardous materials classification?
Chemistry
1 answer:
Arada [10]3 years ago
7 0
The chemical described above belongs to CLASS 1 EXPLOSIVES of DOT hazardous material classification. An hazardous substance is any substance which can cause adverse effects in humans when exposed to it. These substances are divided into different categories based on the way they react in different situations. It is mandatory that you aware of the kind of chemical you are working with when you are in the laboratory in order to take appropriate precautionary steps.
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Examine the equation.
Rina8888 [55]
The answer is 2
i hope it helps
6 0
4 years ago
Read 2 more answers
The rate of diffusion of gas A is double the rate of gas B. The ratio of their molecular weight is​
Dafna1 [17]

Answer:

Ratio is 4:1

Explanation:

from graham's law of gaseous diffusion:

{ \bf{ \frac{R _{A} }{R_{B} }  =  \sqrt{ \frac{M_{A} }{M_{B}} } }}

but Ra = 2Rb:

{ \sf{ (\frac{2}{1} ) {}^{2}   =  \frac{M _{A}}{M _{B} }   }} \\  \\ { \sf{\frac{M _{A}}{M _{B} } =  \frac{4}{1} }} \\  \\ {M _{A}} : {M _{B} } = 4 :1

4 0
3 years ago
Complete the chart below.
omeli [17]

Answer:

Deformation of heat and pressure

Explanation:

It is deformation of heat and pressure because igneous rock is made by magma when it cools. After a long time and pressure, it will turn into sedimentary rock.

6 0
3 years ago
Tungsten (W), Copper (Cu), and Iron (Fe) all belong to what family on the periodic table?
Dahasolnce [82]

Transition metals.

I have to write 20 so this is filler.

3 0
3 years ago
You normally take 2 Ibuprofen (C13H18O2) when you have pain. Each one is 250 g. How many moles of ibuprofen do you take?
weqwewe [10]

Answer:

2.4mol

Explanation:

In order to calculate numbers of moles we have to divide the given mass by the molar mass of the substance (ibuprofen) n= m/M

To calculate the molar mass we have

C13= 12*13= 156

H18= 1*18=18

O2= 16*2 =32

Molar mass M = 153+18+32= 206g

Given the mass m= 250g per tablet

Hence number of moles in one tablet is n= 250/206= 1.2 mol

Therefore the total number of ibuprofen you took is 1.2*2 (for the two tablets) = 2.4 moles

4 0
3 years ago
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