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bulgar [2K]
3 years ago
11

Hazards that are associated with a structural fire include all of the following, EXCEPT: Select one: a. risk of building collaps

e. b. smoke and toxic gases. c. carbon dioxide deficiency. d. high ambient temperatures.
Chemistry
1 answer:
OlgaM077 [116]3 years ago
7 0

Answer:

c. carbon dioxide deficiency

Explanation:

Structural fire is occurring in residential or industrial buildings, which means indoors.

This is quite dangerous because all the smoke and toxic gases building up in these closed buildings. Temperature can rise up to extremely high values, especially if fire catches in industrial buildings where fuel or petrol is being used. Fire can also destroy carrying walls causing the building to collapse.

Some of the gases produced during fire are carbon monoxide and carbon dioxide which, found in high enough concentration, cause oxygen deficiency.

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What is the density of an object with a mass of 140 g and a volume<br> of 6 ml
Strike441 [17]

Answer:

<h2>23.33 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}  \\

From the question we have

density =  \frac{140}{6} =  \frac{70}{3}   \\  = 23.3333...

We have the final answer as

<h3>23.33 g/mL</h3>

Hope this helps you

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3 years ago
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Answer:

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3 years ago
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6 0
3 years ago
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Daniel [21]

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8 0
3 years ago
according to the kinetic molecular theory the pressure exerted by a sample of gas at constats volume doubles when the absolute t
ozzi

Answer: gas molecules will hit the container walls more frequently and with greater force

Explanation:

According to the postulates of  kinetic molecular theory:

1. The pressure exerted by a gas in a container results from collisions between the gas molecules and the container walls.

2. The average kinetic energy of the gas molecules is proportional to the kelvin temperature of the gas.

When the temperature is increased, so the average kinetic energy and the rms speed also increase. This means that the gas molecules will hit the container walls more frequently and with greater force because they are all moving faster. This increase the pressure.

7 0
3 years ago
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