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skelet666 [1.2K]

3 years ago

15

What information would you find on a WHIMIS label?

1 answer:

Nady [450]3 years ago

8 0

Answer/explanation:

Product identifier – the brand name, chemical name, common name, generic name or trade name of the hazardous product.
Initial supplier identifier – the name, address and telephone number of either the Canadian manufacturer or the Canadian importer.

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Deep sea divers use a mixture of helium and oxygen to breathe. Assume that a diver is going to a depth of 150 feet where the tot

Svetlanka [38]

Answer:

4.525% is the percentage by volume of oxygen in the gas mixture.

Explanation:

Total pressure of the mixture = p = 4.42 atm

Partial pressure of the oxygen = $p_1=0.20 atm$

Partial pressure of the helium = $p_2$

$p_1=p\times \chi_1$ (Dalton law of partial pressure)

$0.20 atm=4.42 atm\times \chi_1$

$\chi_1=\frac{0.20 atm}{4.42 atm}=0.04525$

$\chi_2=1-\chi_1=1-0.04525=0.95475$

$chi_1+chi_2=1$

$n_1=0.04525 mol,n_2=0.95475 mol$

According Avogadro law:

$Moles\propto Volume$ (At temperature and pressure)

Volume occupied by oxygen gas = $V_1$

Total moles of gases = n = 1 mol

Total Volume of the gases = V

$\frac{n_1}{V_1}=\frac{n}{V}$

$\frac{V_1}{V}=\frac{n_1}{n}=\frac{0.04525 mol}{1 mol}$

Percent by volume of oxygen in the gas mixture:

$\frac{V_1}{V}\times 100=\frac{0.04525 mol}{1 mol}\times 100=4.525\%$

6 0

4 years ago

What is another name for producer why are they called this

just olya [345]

Answer:

Autotrophs

Explanation:

They are responsible for the production of food. Root words "auto" for self and "troph" for food.

3 0

3 years ago

5.How many moles of uranium are in 50 grams of uranium?

Y_Kistochka [10]

50g U ( 1mol/ 238.03g) = .2 moles

238.03 is the molar mass of uranium- can be found on periodic table

4 0

3 years ago

HELP PLEASE <3 !!!!!!

Mariulka [41]

The awnser for this should be h

7 0

3 years ago

According to the data in the table, which sample of matter is most likely a metal?

kipiarov [429]

Substance 3 Is most likely to be a Metal for Its malleability and conductive properties.

6 0

4 years ago

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