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Chemistry

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Luigi Torphy

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āˆ™ 4y ago
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Cards in this guide (18)
Possible options for spent nuclear fuel rods include

burying them in deep caverns.removing lighter nuclei and reusing them

re-mixing them and putting them back in the mines

Which of the following are differences between nuclear reactors and nuclear bombs

-both have critical mass

-both use chain reactions

A P E X renaa

What is the missing number in the nuclear reaction shown below 237 93 Np - 4 2 He plus 233 Pa

91

How do you write Einstein's equation that explains the energy from nuclear reactions. Use the caret symbol to show an exponent

e=mc^2
E=mc^2

An element is a substance composed of atoms that all have the same number of electrons

False

In the compound H2S hydrogen has an oxidation number of 1 plus and sulfur has an oxidation number of

Sulfur's oxidation number is -2.

The Oxidation number of S here is to be calculated using the oxidation number of H (+1). All compounds' oxidation numbers must sum up to zero.

H2S oxidation number: 2(+1) + (x) = 0

x = -2

Sulfur's oxidation number is -2.

then oxidation number is �2

2- Apex

Two that produce the most energy

The organisms that produce the most energy are plants. These organisms are autotrophs which means they can produce their own energy from the Sun.

Where does the fusion reaction occur in the sun

Fusion occurs in the core of the sun and other stars.

What affects the half life

The type of isotope

What has infinitive shapes and volumes

i dunno homie g

carbon, hydrogen, and oxygencarbon, hydrogen, and oxygencarbon, hydrogen, and oxygencarbon, hydrogen, and oxygencarbon, hydrogen, and oxygencarbon, hydrogen, and oxygenvvcarbon, hydrogen, and oxygenvvcarbon, hydrogen, and oxygenvcarbon, hydrogen, and oxygencarbon, hydrogen, and oxygencarbon, hydrogen, and oxygenv

How many bonded pairs of electrons are present in ammonia molecule

there are three N-H bonds in ammonia and hence ammonia has three bonded pairs of electrons

in addition, there is one lone pair of electrons on nitrogen

Which of the following possesses the greatest PE

spinning top

What are the release dates for Days of Our Lives - 1965 1-11549

Days of Our Lives - 1965 1-11549 was released on:

USA: 21 March 2011

What is The combining of light nuclei is called

fusion

Which of the following is the main energy source for our sun

Nuclear fusion is the source of the sun's energy.

What is missing in the following nuclear equation

99 43 tc + 99 44 ru

Can Geothermal pumps can be used for heating or cooling

cooling

I’m a nuclear reaction which of the following must be conserved

Charge

The count of nucleons

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