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Elodia [21]
3 years ago
15

What effect would a decrease or increase in barometric pressure have on the boiling point

Chemistry
1 answer:
sladkih [1.3K]3 years ago
5 0

Answer:

Pressure Affects the Boiling Point

Atmospheric pressure influences the boiling point of water. When atmospheric pressure increases, the boiling point becomes higher, and when atmospheric pressure decreases (as it does when elevation increases), the boiling point becomes lower.

Explanation:

i think it will help you

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Which sample contains the largest number of oxygen atoms? Select one: a. 8.0 g of carbon dioxide b. 8.0 g of potassium chlorate
adell [148]

The sample with the largest number of oxygen atoms will be calcium perchlorate.

<h3>Number of atoms in a compound</h3>

Since we are not looking at the number of moles, the mass of the compounds has no bearing on the number of atoms of oxygen.

  • The chemical formula for carbon dioxide is CO_2. Thus, it has 2 atoms of oxygen.
  • The chemical formula for potassium chlorate is KClO_3. Thus, it has 3 oxygen atoms.
  • The chemical formula for calcium perchlorate is Ca(ClO_4)_2. Thus, it has 8 atoms of oxygen.
  • The chemical formula for sodium hydroxide is NaOH. Thus, it has 1 atom of oxygen.

Therefore, the compound with the largest number of oxygen atoms is calcium perchlorate.

More on the number of atoms in compounds can be found here: brainly.com/question/1686912

#SPJ1

5 0
2 years ago
(e)
mars1129 [50]

Answer:36g

Explanation:6.8:3.6=68:x

x=68*3.6/6.8=36

5 0
3 years ago
g Suppose a sample of an ideal gas in a container is subjected to a temperature change. A decrease in temperature will the kinet
Umnica [9.8K]

Answer:

323.15 °C

Explanation:

Considering the ideal gas equation as:

PV=nRT

where,  

P is the pressure

V is the volume

n is the number of moles

T is the temperature  

R is Gas constant having value = 0.0821 L.atm/K.mol

Thus, at constant volume and number of moles, Pressure of the gas is directly proportional to the temperature of  the gas.

P ∝ T

Also,

Using Charle's law  

\frac {P_1}{T_1}=\frac {P_2}{T_2}

Given ,  

P₂ = 2P₁

T₁ = 25 °C

T₂ = ?

The conversion of T( °C) to T(K) is shown below:

T(K) = T( °C) + 273.15  

So,  

T₁ = (25 + 273.15) K = 298.15 K  

Using above equation as:

\frac{P_1}{298.15}=\frac{2P_1}{T_2}

T_2=2\times 298.15\ K

New temperature = 596.3 K

Also,

T(K) - 273.15 = T( °C)

<u>So, Temperature = 596.3 - 273.15 °C = 323.15 °C</u>

5 0
2 years ago
Which role of water is significant for most living things in a biological system?a. It prevents many life processes from occurri
Sedaia [141]
I am pretty sure the correct answer is C.  Water has large heat capacity meaning it can absorb a lot of energy before changing temperature.  That helps the body regulate heat since it can be exposed to different environments and experience small temperature changes.

I hope this helps.  Let me know if anything is unclear.
6 0
3 years ago
Read 2 more answers
Help me number 1 pleasw
Vaselesa [24]
The answer to number 1 is D
3 0
3 years ago
Read 2 more answers
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