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Rom4ik [11]
1 year ago
8

If a calm person with a lung capacity of 3.5 liters and a body temperature of 360 C gets angry, what will the volume of the pers

on’s lungs be if their temperature rises to 390 C. Based on this, do you think it’s likely they will explode?
Chemistry
1 answer:
tester [92]1 year ago
5 0

The volume of the person's lungs if the temperature rises from 36°C to 39°C is 3.53L and will likely not explode.

<h3>How to calculate volume?</h3>

The volume of a substance can be calculated using the following formula:

V1/T1 = V2/T2

Where;

  • V1 = initial volume
  • V2 = final volume
  • T1 = initial temperature = 36 + 273 = 309K
  • T2 = final temperature = 39 + 273 = 312K

3.5/309 = V2/312

309V2 = 1092

V2 = 1092 ÷ 309

V2 = 3.53L

Therefore, the volume of the person's lungs if the temperature rises from 36°C to 39°C is 3.53L and will not explode.

Learn more about volume at: brainly.com/question/12357202

#SPJ1

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kow [346]

Answer:

Explanation:

Ok so Proust's Law, better known as the Law of Definite Proportions, states that the components of a compound always exist in a fixed ratio. This means that it does not matter what the source of the components are nor the coefficients in front of them. The ratio your teacher is referring to is most likely mass percent/ percent composition. This ratio is the amount of the component over the amount of the entire compound times 100%.

*I am not very familiar with this law so please do with my answers what you will :)*

7.)

First, you want to find the percent composition (aka mass composition) of Na in NaCl.

 45.89 g Na
---------------------  x 100%  =  39.3%
116.89 g NaCl

So, there must be 39.3% sodium in NaCl. You can find how much chlorine is in NaCl by subtracting that percent by 100 (to find the percent composition of chlorine) then multiplying it by the mass.

100% - 39.3% = 60.7%

60.7% / 100 = 0.0607

116.89 g NaCl x 0.0607 = 70.91 g Cl₂

You could also just subtract the mass of sodium from the mass of sodium chloride to find the mass of chlorine.

116.89 g NaCl - 45.89 g Na = 71 g Cl₂

8.)

10.57 g Mg + 6.96 g O₂ = 17.53 g MgO

  6.96 g O₂
---------------------  x 100%  = 39.7% O₂
17.53 g MgO

9.)

6.46 g Pb = 1 g O₂

68.54 g Pb  =  28.76 g O₂

68.54 g Pb / 28.76 g O₂ = 2.83 g ≠ 6.46 g

No, the two samples are not the same because the proportion of lead to oxygen is not the same for both samples. In the first sample, there is 6.46 g lead for every oxygen. In the second sample, there is 2.38 g lead for every oxygen.

6 0
1 year ago
Gases, fluids, and other solids in contact with a moving object will produce ____ due to friction.
Mamont248 [21]

Gases, fluids, and other solids in contact with a moving object will produce heat due to friction. The contact between molecules or atoms present in gases, fluids, and other solids creates energy and it may be in the form of heat.

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Rudik [331]

Answer:

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How many moles of KF would need to be added to 2500 ml of water to make 1.2 M solution?
Oduvanchick [21]

The number of moles of KF needed to prepare the solution is 3 moles

<h3>What is molarity?</h3>

Molarity is defined as the mole of solute per unit litre of solution. Mathematically, it can be expressed as:

Molarity = mole / Volume

<h3>How to determine the mole of KF </h3>
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  • Molarity = 1.2 M
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Molarity = mole / Volume

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