User Account

All Pages

What was the energy of the ?ray

Assignment Help Chemistry
Reference no: EM131946928

Pair production.

A γray interacts with the strong electric field of a nucleus and undergoes pair production. The electron is created with 126 keV of kinetic energy and the positron is given kinetic energy 138 keV.

(a). What was the energy of the γray?

(b). The positron slows down nearly to rest and annihilates with an electron. What happens?

Reference no: EM131946928

Questions Cloud

What angle with respect to the normal : Sunlight strikes the surface of a lake at an angle of incidence of 30o. At what angle with respect to the normal would a fish see the Sun
Write a memo to your supervisor requesting the technology : Research some new technologies and choose one that you would like to implement in your department to improve communication.
Angle between the polarizing directions of the sheets : What must be the angle between the polarizing directions of the sheets if the intensity of the transmitted light is to be one-third the incident intensity?
Calculate the network address of the given block : Calculate the network address of this block and how many host addresses including special addresses this block can provide.
What was the energy of the ?ray : (a). What was the energy of the ?ray? (b). The positron slows down nearly to rest and annihilates with an electron. What happens?
Wavelength matches the size of a benzene ring : What is the kinetic energy of electrons whose de Broglie wavelength matches the size of a benzene ring? (280 pm)
What is the energy rate for heating the air : a. What is the energy rate (Btu/min) for heating the air?
Why scenario planning is a useful technique for firms : Why scenario planning is a useful technique for firms competing in industries characterized by unpredictability and change. How is this important?
How many grams of hydrogen are needed to completely : How many liters of H2 would be produced if you started with 24.3 g of M

Reviews

Write a Review

Chemistry Questions & Answers

  What are the technique that we encounter in the experiment

what are the technique that we encounter in the experiment of preparation of standard solutions and standardization of

  Calculating the hydrogen ion concentration and ph

A 155 mL sample of rainwater is titrated using 0.0095 M NaOH solution. If 4.8 mL of the NaOH solution was required to reach the endpoint, what was the pH of the rainwater?

  Explain what is the magnitude of delta for the complex

The d-d transition in [Ti(H2O)6]3+(aq) produces an absoption maximum at 500 nm. What is the magnitude of DELTA for this complex in kJ/mol?

  Explain the pressure and temperature remain the same

The pressure and temperature remain the same, but the volume has changed to 14.0 . How many moles of gas () remain in the cylinder? in moles

  How many moles of potassium chlorate are required

Potassium chlorate decomposes into potassium chloride and oxygen. how many moles of potassium chlorate are required to form 32 grams of oxygen.

  Calculate the free energy change for translocating a proton

Calculate the free energy change for translocating a proton out of the mitochondrial matrix, where pH(matrix) = 7.6 pH(cytosol) = 7.2

  State a electrn configuration for an octahedral complex

write a electrn configuration for an octahedral complex, write the electron configuration for [RhCl6]^-3 in terms of MO labels for ground electronic state.

  Define and write the balanced equation for the solvolysis

Write the balanced equation for the solvolysis of 2-chloro-2-methylpropane in water. 2. If it took 106 s for the color to change after 2.00 mL of NaOH were added to the flask, calculate the concentration of 2-chloro-2-methylpropane present in solu..

  Explain why is the angular momentum of some nuclei

Why is the angular momentum of some nuclei and molecules observable. How is it observed? What are some typical results.

  Assuming no deviation from raoults law what is the vapor

at 25 degc the vapor pressure of n-pentane c5h12 is 511 torr and the vapor pressure of n-hexane c6h14 is 145 torr.

  Recessive alleles for a harmful or deleterious trait

If an individual receives 2 recessive alleles for a harmful or deleterious trait, let us say for our problem below, they will have the "illness".

  State reaction mechanisms for the pyrolysis

Using structural formulas, and arrows to show electron movement, write reaction mechanisms for the pyrolysis of the aryl sulfonate ester to produce alkene(s) assuming that: (a) the mechanism is E1, and (b) the mechanism is E2.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd