1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
sineoko [7]
2 years ago
6

Americium-241 undergoes fission to produce three neutrons per fission event. if a neutron-absorbing material is mixed in with th

is sample so that the rate of neutron production drops down to 1.8 neutrons per fission event, which will be effective at achieving a critical mass? check all that apply. remove a deflective shield surrounding the sample. remove absorbent material mixed in with the sample. compress the sample of americium-241.
Chemistry
1 answer:
andriy [413]2 years ago
4 0

Critical mass can be achieved by compressing the sample of americium-241 and also removing the deflective shield surrounding the sample.

<h3>What is critical mass?</h3>

Critical mass of a nuclear reaction is the mass of nuclear fuel which is just sufficient for a nuclear fission reaction to proceed and be sustained.

In order to achieve critical mass, the density of the fuel is increased by compressing the sample of americium-241 and also remove the deflective shield surrounding the sample.

Learn more about nuclear fission at: brainly.com/question/913303

#SPJ4

You might be interested in
Describe how sediments are produced by weathering and erosion
TEA [102]
Weathering is the physical or chemical process where rocks are broken down to form sediments.
 • Physical weathering does not change the rock’s composition.
 • Chemical weathering does change the rock’s composition
 • Erosion is the process where forces such as water, wind, ice, or gravity transport sediments to some remote location
5 0
4 years ago
Read 2 more answers
What part is the independent variable and what part is the dependent variable in the scenario: The blood pressure of a soldier i
azamat
What part is the independent variable and what part is the dependent variable of the seminary the blood pressure of a soldier is measured while he’s resting soldiers and exposed to a stressful environment and his blood pressure is measured in
6 0
3 years ago
Describe the effects of heat on rocks
Monica [59]

Answer:

rocks main constituent is calcium carbonate, which produce carbon dioxide and calcium oxide (quick lime) upon heating

6 0
3 years ago
Alveoli are tiny sacs of air in the lungs. Their average diameter is 4.50 × 10−5 m. Calculate the uncertainty in the velocity of
Arisa [49]

<u>Answer:</u> The uncertainty in the velocity of oxygen molecule is 4.424\times 10^{-5}m/s

<u>Explanation:</u>

The diameter of the molecule will be equal to the uncertainty in position.

The equation representing Heisenberg's uncertainty principle follows:

\Delta x.\Delta p=\frac{h}{2\pi}

where,

\Delta x = uncertainty in position = d = 4.50\times 10^{-5}m

\Delta p = uncertainty in momentum  = m\Delta v

m = mass of oxygen molecule = 5.30\times 10^{-26}kg

h = Planck's constant = 6.627\times 10^{-34}kgm^2/s^2

Putting values in above equation, we get:

4.50\times 10^{-5}m\times 5.30\times 10^{-26}kg\times \Delta v=\frac{6.627\times 10^{-34}kgm^2/s}{2\times 3.14}\\\\\Delta v=\frac{6.627\times 10^{-34}kgm^2/s^2}{2\times 3.14\times 4.50\times 10^{-5}m\times 5.30\times 10^{-26}kg}=4.424\times 10^{-5}m/s

Hence, the uncertainty in the velocity of oxygen molecule is 4.424\times 10^{-5}m/s

8 0
3 years ago
A substance having
denpristay [2]

Explanation:

Specific heat capacity is how much is required to heat the unit of mass by one degree. Therefore, if you have a higher heat capacity it required more energy, therefore, it takes longer to heat up. whereas having a lower heat capacity it takes less time to best up as it requires less energy.

7 0
4 years ago
Other questions:
  • I need help so please help me
    12·1 answer
  • Formic acid (HCO2H, Ka = 1.8 × 10-4) is the principal component in the venom of stinging ants. What is the molarity of a formic
    10·1 answer
  • Someone please help me , number 14
    13·1 answer
  • Which is a strategy for preventing household fires?
    11·1 answer
  • When flammable liquids are spilled, what happens next?
    13·1 answer
  • Energy and Temperature Activity Worksheet
    7·2 answers
  • 47526 to the nearest 10​
    5·1 answer
  • I think this is Chemistry but it might be physics
    5·1 answer
  • Which of the compounds below will ionize in
    10·2 answers
  • At a supermarket, items made from fossil fuels include _______ . A. steel food cans B. fruits and vegetables C. plastic grocery
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!