3 years ago

Use the information below to answer the following questions.

Chemistry

1 answer:

Slav-nsk [51]3 years ago

3 0

Answer:

sorry don't know wish I could help

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Which of the following definitions describes a chemical hazard?

Monica [59]

I think it would be A because hazardous waste would most likely be found in dust, fumes etc. I'm not sure though.

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3 years ago

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Two bottles are connected with a valve. In bottle A, there are 2.4 L of nitrogen gas at 1.8 atm. In bottle B, there are 4.8 L of

ycow [4]

Answer:

1.8 atm

Explanation:

For bottle "A"

P1 = 1.8 atm V1 = 2.4L, P2 = ?, V2 = 2.4 + 4.8 L = 7.2 L,

Thus using P1•V1 = P2•V2, we have;

P2 = (1.8 × 2.4)/7.2 = 0.6 atm

For bottle "B"

P1 = 1.8 atm, V1 = 4.8L, P2 = ?, V2 = 7.2L,

P2 = (1.8 × 4.8)/7.2 = 1.2 atm

We will now add the individual pressures of each bottle;

Total pressure = P(A) + P(B)

Total pressure = 0.6 + 1.2

Total pressure = 1.8 atm.

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3 years ago

How many atoms are present in 2g of hydrogen gas

RSB [31]

Answer:

2 because if you look on the periodic table the number of the element tells you how many atoms is in it

Explanation:

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How many bonding pairs in br2o

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What mass of hydrogen is produced when 192 g of magnesium is reacted with hydrochloric acid?

mariarad [96]

Answer:

Mg+2HCL-Magnesium Chloride +Hygrogen

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Explanation:

N.O of moles=Mass\Molar Mass

192÷24=8

1:1

8×2=16

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2 years ago

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