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3 years ago

Most carbon based molecules are classified as

Chemistry

2 answers:

kherson [118]3 years ago

7 0

<span>the answer is organic molecule </span>

neonofarm [45]3 years ago

6 0

Your answer would be organic molecule

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How can soap affect the surface tension

mario62 [17]

By breaking the hydrogen bonds that cause surface tension

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3 years ago

In a mixture of hydrogen and nitrogen gases, the mole fraction of nitrogen is 0.333. If the partial pressure of hydrogen in the

notka56 [123]

Answer:

$P_T=112.4torr$

Explanation:

Hello there!

In this case, since these problems about gas mixtures are based off Dalton's law in terms of mole fraction, partial pressure and total pressure, we can write the following for hydrogen, we are given its partial pressure:

$P_{H_2}=x_{H_2}*P_T$

And can be solved for the total pressure as follows:

$P_T=\frac{P_{H_2}}{x_{H_2}}$

However, we first calculate the mole fraction of hydrogen by subtracting that of nitrogen to 1 due to:

$x_{H_2}+x_{N_2}=1\\\\x_{H_2}=1-0.333=0.667$

Then, we can plug in to obtain the total pressure:

$P_T=\frac{75.0torr}{0.667}\\\\P_T=112.4torr$

Regards!

4 0

3 years ago

HELP I DONT KNOW HOW TO DO THIS !!

BlackZzzverrR [31]

Answer:

you divide 71.5 by 2

Explanation:

it's may look intimidating but the question is actually really simple.

5 0

3 years ago

trasher [3.6K]

Answer:

I believe the answer is B

Explanation:

A nucleus of an atom has protons and neutrons. We know that a proton has a charge of +1 , while a neutron has no charge, or 0 . Therefore, the nucleus of an atom will always have a positive charge.

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3 years ago

What type of subatomic particles are found in the cloud?

Novay_Z [31]

Answer:

Electrons are particles that surround the nucleus of an atom like a cloud. As with protons and neutrons, electrons are essential to an atom's structure.

8 0

3 years ago