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2 years ago

What occurred when rutherford exposed nitrogen gas to alpha particles?

2 answers:

5 0

When Rutherford exposed nitrogen gas to alpha particles, some of the alpha particles were absorbed by the nitrogen nuclei.

A equation for the alpha particle bombardment is as follows:

¹⁴₇N+⁴₂He---->¹⁷₈O+¹₁H

So, as it can be seen from the equation that some of the alpha particles are absorbed by nitrogen nuclei.

adoni [48]2 years ago

5 0

The conversion of one element to another had occurred.

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A common radio wavelength observed coming from astronomical objects is 21 cm. What temperature is associated with this radiation

qaws [65]

Answer:

The temperature associated with this radiation is 0.014K.

Explanation:

If we assume that the astronomical object behaves as a black body, the relation between its <em>wavelength</em> and <em>temperature</em> is given by Wien's displacement law.

$\lambda_{max}=\frac{b}{T}$

where,

λmax is the wavelength at the peak of emission

b is Wien's displacement constant (2.89×10⁻³ m⋅K)

T is the absolute temperature

For a wavelength of 21 cm,

$T=\frac{b}{\lambda _{max} } = \frac{2.89 \times 10^{-3} m.K }{0.21m} =0.014K$

8 0

3 years ago

A particular exosolar system has five planets in total: A, B, C, D, and E. The table lists the orbital periods of these planets

sveta [45]

Answer:

The answer is in the picture below

Explanation:

8 0

2 years ago

Which objects cannot be observed in detail without a microscope?

Sonbull [250]

The objects which cannot be observed in detail without a microscope

include the following:

Red blood cell

Bacterium

<h3>What is a Microscope?</h3>

A microscope is an instrument which is used to view smaller objects such as

microbe,cells, tissues etc. This instrument is used in viewing the different

cells found in the body as they can't be seen with the eye.

The remaining options which can be seen with the eyes don't require

the use of microscopes.

Read more about Microscope here brainly.com/question/25268499

3 0

2 years ago

You are confronted by a phosphorus atom. this atom has 15 protons and 17 neutrons. how many electrons does it have

bogdanovich [222]

15 electrons if it is not an ion

8 0

2 years ago

Read 2 more answers

For the reaction shown, calculate how many moles of NO2 form when each amount of reactant completely reacts.

Anton [14]

Answer:- 2.4 mol $NO_2$ .

Solution:- It asks to calculate the moles of $NO_2$ formed when 1.2 moles of $N_2O_5$ are reacted.

There is 2:4 mol ratio between $N_2O_5$ and $NO_2$ . So, the moles of reactant are multiplied by the mol ratio to get the moles of $NO_2$ . The calculations are shown below:

$1.2mol N_2O_5(\frac{4mol NO_2}{2mol N_2O_5})$

= 2.4 mol $NO_2$

So, 2.4 moles of $NO_2$ are formed when 1.2 moles of $N_2O_5$ were reacted.

7 0

3 years ago

Read 2 more answers