3 years ago

For how many seconds each respiration occurs?

Chemistry

1 answer:

skelet666 [1.2K]3 years ago

5 0

Around two seconds for an inhalation and three seconds exhalation

You might be interested in

Help me plzz it’s for

Rudik [331]

What is it ? I can’t see

5 0

2 years ago

A certain orbital of the hydrogen atom has n = 4 and l = 2 what are the possible values of ml for this orbital?

Nadya [2.5K]

The ml is also called as the magnetic quantum number. The value of ml can range from –l to +l including zero. Hence all of the possible values for ml given that l = 2 are:

3 0

3 years ago

What would be the correct order of least(floats) to most(sinks) density?*

olya-2409 [2.1K]

Answer:

Explanation:

Water-Continental-Oceanic-Mantle

5 0

2 years ago

PLEASE HELP ASAP!!

DanielleElmas [232]

lights bullet electric heater radio Google

8 0

3 years ago

Read 2 more answers

To interconvert the concentration units molality (m) and mass percent, you must also know the density of the solution. A) True B

uranmaximum [27]

Answer:

The correct answer is option false.

Explanation:

Molality of the solution defined as moles of substance present in 1 kilogram of solvent.

Moles = $\frac{Mass of solute}}{\text{molar mass of solute}}$

$Molality=\frac{Moles}{\text{Mass of solvent(kg)}}$

Mass of percent (w/w%) of the solution is defined as amount of solute present in 100 grams of solution.

$(w/w\%)_=\frac{\text{Mass of solute}}{\text{Mass of solution}}\times 100$

So, if want to inter-convert molality into mass percent we can do that without knowing density of solution.

Mass of solution = Mass of solute + Mass of solvent

7 0

3 years ago