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3 years ago

I’ll mark brainliest!!!

Chemistry

2 answers:

earnstyle [38]3 years ago

8 0

Answer:

lighter atoms

energy

neutrons

Explanation: took test

Kay [80]3 years ago

5 0

Answer: lighter atoms

energy

neutrons

Explanation:

A nuclear fission is simply defined as a nuclear reaction whereby the nucleus of an atom is being divided into smaller nuclei which are also lighter. An energy is also released when this occurs.

Therefore, the products of a fission include lighter atoms, energy and neutrons.

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(a) Given that density is usually expressed in the units of g/cm3

Lena [83]

Answer:

0.690g/cm^3

Explanation:

•Mass: <em>2.331g</em>

•Volume: 3.375 cm^3

One side is 1.5cm.

1.5^3

•Density: Mass/Volume

Mass = 2.331g

Volume = 3.375cm^3

2.331g/3.375cm^3

0.690g/cm^3

<h2>Density: 0.690g/cm^3</h2>

8 0

3 years ago

What is the chemical formula for ammonium carbonate?

xenn [34]

(NH4),CO

(NH₄)₂ CO₃

Explanation:

The chemical formula for ammonium carbonate is (NH4),CO

Ammonium carbonate is made up of:

Ammonium ion

Carbonate ion

Ammonium ion is represented by NH₄⁺

Carbonate ion is represented by CO₃²⁻

Now to write the formula, we are going to use their combining powers;

NH₄⁺ CO₃²⁻

Combining

power 1 2

Exchange

of power 2 1

Formula of compound (NH₄)₂ CO₃

learn more:

Chemical compound brainly.com/question/10585691

#learnwithBrainly

3 0

3 years ago

Two equilibrium reactions of nitrogen with oxygen, with their corresponding equilibrium constants (Kc) at a certain temperature,

7nadin3 [17]

Answer:

Kc = 1.54e - 31 / 2.61e - 24

Explanation:

1 ) $N_{2}(gas) + O_{2}(gas)\rightarrow 2NO(gas)$ ; Kc = 1.54e - 31

2) $N_{2}(gas) + 1/2O_{2}(gas)\rightarrow N_{2}O(gas)$ ; Kc = 2.16e - 24

upon reversing ( 2 ) equation

$N_{2}O(gas)\rightarrow N_{2}(gas) + 1/2O_{2}(gas)$ Kc = 1/2.16e - 24

now adding 1 and reversed equation (2)

$N_{2}(gas) + O_{2}(gas)\rightarrow 2NO(gas)$

$N_{2}O(gas)\rightarrow N_{2}(gas) + 1/2O_{2}(gas)$

we get ,

$N_{2}O(gas) + 1/2O_{2}(gas)\rightarrow 2NO(gas)$ Kc = 1.54e-31 × 1/2.61e - 24

equilibrium constant of equation (3) is -

Kc = 1.54e - 31 / 2.61e - 24

3 0

3 years ago

The action force always acts in the ____ direction as the reaction force

andriy [413]

Answer:

opposite

Explanation:

Newtons law explains that for every action force there is an equal and opposite reaction.

6 0

4 years ago

What do you read the arrow in a chemical equation as meaning? One what does this sentence even mean it's worded oddly, and two I

Elanso [62]

The arrow means "yields"
like Fe + O "yields" FeO

8 0

3 years ago

Read 2 more answers