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3 years ago

Match the following.

Chemistry

1 answer:

cupoosta [38]3 years ago

8 0

1.icosahedralb2.helicalc3.complexa

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What is formed when the number of electrons is changed?

aleksley [76]

Answer:

Explanation:

Whether the electrons are added or given away makes no difference to the name given to parent atom -- It is called an ion which means that it has a charge. The word atom is reserved for something on the periodic table that has no charge.

7 0

3 years ago

Density = <br> Mass = 14 g<br> Volume = 2 mL<br> what is the answer to density

Troyanec [42]

Answer:

7ml/g

Explanation:

density=mass/volume

density=14g/2ml

density= 7g/ml

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3 years ago

An excited ozone molecule, O3*, in the atmosphere can undergo one of the following reactions,O3* → O3 (1) fluorescenceO3* → O +

Maurinko [17]

Answer:

The simplified expression for the fraction is $\text {X} = \dfrac{ {k_3 \times cM} }{k_1 +k_2 + k_3 }$

Explanation:

From the given information:

O3* → O3 (1) fluorescence

O + O2 (2) decomposition

O3* + M → O3 + M (3) deactivation

The rate of fluorescence = rate of constant (k₁) × Concentration of reactant (cO)

The rate of decomposition is = k₂ × cO

The rate of deactivation = k₃ × cO × cM

where cM is the concentration of the inert molecule

The fraction (X) of ozone molecules undergoing deactivation in terms of the rate constants can be expressed by using the formula:

$\text {X} = \dfrac{ \text {rate of deactivation} }{ \text {(rate of fluorescence) +(rate of decomposition) + (rate of deactivation) } } }$

$\text {X} = \dfrac{ {k_3 \times cO \times cM} }{ {(k_1 \times cO) +(k_2 \times cO) + (k_3 \times cO \times cM) } }$

$\text {X} = \dfrac{ {k_3 \times cO \times cM} }{cO (k_1 +k_2 + k_3 \times cM) }$

$\text {X} = \dfrac{ {k_3 \times cM} }{k_1 +k_2 + k_3 }$ since cM is the concentration of the inert molecule

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4 years ago

A dad and his son are driving down the street then wreck, the dad died but the son has to go to the hospital because of his seri

grandymaker [24]

The doctor is His mom

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4 years ago

Read 2 more answers

2. When two oppositely charged particles are brought near each other, they produce a torceted the stone

Svetach [21]

Answer:

Explanation:

An unbalanced force is your answer.

8 0

3 years ago