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3 years ago

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The teacher asked the students to design an experiment that would demonstrate that temperature will affect the pressure of a gas

. Which of the
following would be a valid experiment that shows the correct relationship between gas temperature and pressure?

1 answer:

Cerrena [4.2K]3 years ago

4 0

Hikereee be your right thing lol just wants you in your house and your family that i please do that and i’m

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The color of an outfit object is the color of the light that it

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Multiple Choice 1. Protons are located in the nucleus of the atom. A proton has a) No charge b) A negative charge C A positive c

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C.proton has positive charge

Explanation:

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How many moles of helium are contained in 9.85 x 1023 atoms?<br> 9.85 x 1023 atoms

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10076.55

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Members in the same family have similar chemical properties because they all

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What is the concentration (M) of CH3OH in a solution prepared by dissolving 11.7 g of CH3OH in sufficient water to give exactly

Andrej [43]

Answer:

$3.65~M$

Explanation:

We have to remember the <u>molarity equation</u>:

$M=\frac{mol}{L}$

So, we have to calculate "mol" and "L". The total volume is 100 mL. So, we can do the <u>conversion</u>:

$100~mL\frac{1~L}{1000~mL}=~0.1~L$

Now we can calculate the moles. For this we have to calculate the <u>molar mass</u>:

O: 16 g/mol

H: 1 g/mol

C: 12 g/mol

$(16*1)+(1*4)+(12*1)=32~g/mol$

With the molar mass value we can <u>calculate the number of moles</u>:

$1.7~g~of~CH_3OH\frac{1~mol~CH_3OH}{32~g~of~CH_3OH}=0.365~mol~CH_3OH$

Finally, we can <u>calculate the molarity</u>:

$M=\frac{0.365~mol~CH_3OH}{0.1~L}=3.65~M$

I hope it helps!

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3 years ago