All categories

4 years ago

Loudness is expressed in

Chemistry

2 answers:

Alex787 [66]4 years ago

8 0

Answer:

Waves

Explanation:

Archy [21]4 years ago

6 0

Answer:

Decibel

Explanation:

You might be interested in

Part 1: A cylinder containing 20.0 L of compressed nitrogen is connected to an empty (evacuated) vessel with an unknown volume.

baherus [9]

Answer:

The volume of the vessel is 250 L

Partial pressure of hydrogen = 189 torr

Explanation:

Using Boyle's law

${P_1}\times {V_1}={P_2}\times {V_2}$

Given ,

V₁ = 20.0 L

V₂ = ?

P₁ = 25 atm

P₂ = 2 atm

Using above equation as:

${P_1}\times {V_1}={P_2}\times {V_2}$

${25}\times {20.0}={2}\times {V_2}$

${V_2}=\frac {{25}\times {20.0}}{2}\ L$

${V_2}=250\ L$

<u>The volume of the vessel is 250 L.</u>

According to Dalton's law of partial pressure:-

$P_{H_2}=Mole\ fraction\times Total\ Pressure$

So, according to definition of mole fraction:

$Mole\ fraction\ of\ H_2=\frac {n_{H_2}}{n_{H_2}+n_{He}}$

Also,

Mole fraction of H₂ = 1 - Mole fraction of He = 1 - 0.75 = 0.25

So,

Total pressure = 756 torr

Thus,

$P_{H_2}=0.25\times 756\ torr$

<u>Partial pressure of hydrogen = 189 torr.</u>

7 0

3 years ago

What do these floors represent?

Damm [24]

Explanation:

What type of floor. You have uploaded no image

7 0

3 years ago

What type of wave can actually reach Earth's inner core

kenny6666 [7]

I believe body waves can actually reach the core as they follow raypaths refracted by the varying density and modulus of Earths interior.

Hope this helps!

5 0

3 years ago

What are some good problem statements

Crazy boy [7]

Answer:

What is the problem?

Who has the problem?

Where does the problem occur?

When does the problem occur?

How often does the problem occur?

What causes the problem?

What does the problem impact?

Explanation:

8 0

4 years ago

What the correct answer

frutty [35]

Answer:

sulfer has 6 energy levels/orbits and 16 valence electrons

8 0

3 years ago

Read 2 more answers