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Jobisdone [24]
3 years ago
10

In the hydrogen atom, what is the total energy of an electron that is in an orbit that has a radius of 8.784 × 10^(-10) m?

Physics
1 answer:
finlep [7]3 years ago
4 0

Answer:

The total energy of an electron in H atom is 1.31\times10^{-19}\ J.

Explanation:

Given that,

Radius R=8.784\times10^{-10}\ m

We need to calculate the orbit number

Using formula of radius

R=a_{0}n^2

n^2=\dfrac{R}{a_{0}}

Where, a₀ = boar radius

n = orbit number

Put the value into the formula

n^2=\dfrac{8.784\times10^{-10}}{0.529\times10^{-10}}

n=\sqrt{\dfrac{8.784\times10^{-10}}{0.529\times10^{-10}}}

n=4.07

We need to calculate the total energy of an electron in H atom

Using formula of energy

E=-\dfrac{13.6}{n^2}

Put the value into the formula

E=\dfrac{-13.6}{16.60}\ ev

E=0.8192\times1.6\times10^{-19}

E=1.31\times10^{-19}\ J

Hence, The total energy of an electron in H atom is 1.31\times10^{-19}\ J.

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5 0
3 years ago
T-Joe (65 kg) is running at 3 m/s. T-Brud (50 kg) is running at 4 m/s. What would be T-Joe's momentum?
Debora [2.8K]

Answer:

P_J=195N

Explanation:

From the question we are told that

Mass\ of T-joe\ M_J=65\\Velocity\ of T-joe\ V_J=3m/s\\Mass of\ T-Brud\ M_B=50kg\\Velocity\ of T-Brud\ V_B=3m/s\\

Generally the equation for momentum is mathematically given by

P=mv

Therefore

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3 years ago
What is the formula for atmospheric pressure.
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8 0
3 years ago
Joseph is sitting in the family van. His mother is driving him from their house to the library. Joseph waves as he passes his fr
CaHeK987 [17]
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6 0
3 years ago
A gas has four moles under a pressure of 5.4 atm has a volume of 120 L. What is the
Sunny_sXe [5.5K]

Answer:

1973. K

Explanation:

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648=(0.3284)T

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Using the ideal gas equation, T is measured in Kelvin.

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