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3 years ago

5

URGENT!!

1 answer:

irinina [24]3 years ago

3 0

Answer:

Explanation:La ecuación de Van der Waals es una ecuación de estado de un fluido compuesto de partículas con un tamaño no despreciable y con fuerzas intermoleculares, como las fuerzas de Van der Waals. La ecuación, cuyo origen se remonta a 1873, debe su nombre a Johannes van der Waals, quien recibió el premio Nobel en 1910 por su trabajo en la ecuación de estado para gases y líquidos, la cual está basada en una modificación de la ley de los gases ideales para que se aproxime de manera más precisa al comportamiento de los gases reales al tener en cuenta su tamaño no nulo y la atracción entre sus partículas.

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An electric field E⃗ =5.00×105ı^N/C causes the point charge in the figure to hang at an angle. What is θ?

elena-14-01-66 [18.8K]

Explanation:

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3 years ago

Your scores on the PFT will affect your grade<br> Question 1 options:<br> True<br> False

Valentin [98]

False it will not affect your grade

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3 years ago

What is TRUE about cancer cells?

Artist 52 [7]

Answer:

Explanation:

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3 years ago

Read 2 more answers

How many protons are in one kg of lead? b) How many electrons are in one kg of lead? c) What is the total negative charge of the

mina [271]

Answer:

Number of protons = $2.3836\times 10^{26}$

Number of electrons = $2.3836\times 10^{26}$

Charge on these electrons = - $3.8185\times 10^{7}\ C$

Explanation:

1 atom of lead contains 82 protons and 82 electrons

1 mole = $6.023\times 10^{23}$ atoms

Thus,

1 mole of lead contains $82\times 6.023\times 10^{23}$ protons

Also, 1 mole of lead weighs 207.2 g

So,

207.2 g of lead contains $82\times 6.023\times 10^{23}$ protons

1 kg = 1000 g

So,

1000 g or 1 kg of lead contains $\frac {82\times 6.023\times 10^{23}}{207.2}\times 1000$ protons

<u>Number of protons = $2.3836\times 10^{26}$ </u>

Also, for neutral atom, number of protons = number of electrons.

Thus,

<u>Number of electrons = $2.3836\times 10^{26}$ </u>

Also,

Charge of 1 electron = - $1.602\times 10^{-19}\ C$

Charge on these electrons = - $2.3836\times 10^{26}\times 1.602\times 10^{-19}\ C$

<u>Charge on these electrons = - $3.8185\times 10^{7}\ C$ </u>

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3 years ago

If a car accelerates at 6.4 m/s?

lawyer [7]

initial velocity=u=0
Acceleration=a=6.4m/s
Time=t=9s

Final velocity be v

According to first equation of kinematics

v=u+at
v=0+6.4(6)
v=57.6m/s

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3 years ago