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3 years ago

Do all crystals have the same internal arrangements?

Chemistry

1 answer:

vivado [14]3 years ago

4 0

No they all have different crystallization methods. <span />

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2-ciclopropilpropano

DaniilM [7]

Answer:

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2 years ago

Which equation represents a redox reaction?

labwork [276]

Answer:

D. $2NaBr + Cl_2\rightarrow 2NaCl + Br_2$

Explanation:

Hello!

In this case, for the given set of chemical reactions, it is possible to infer that D. is a categorized as redox due to the following:

Since both chlorine and bromine remain as diatomic gases, their oxidation states in such a form is 0, but as anions with lithium cations they have a charge of - according to the following reaction and half-reactions:

$2NaBr + Cl_2\rightarrow 2NaCl + Br_2$

$Cl_2^0+2e^-\rightarrow 2Cl ^-\\\\2Br^- \rightarrow Br_2^0+2e^-$

Unlike the other reactions whereas no change in the oxidation states is evidenced.

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2 years ago

Read 2 more answers

How many moles of iron are there in 55.85g of Fe3O4

soldier1979 [14.2K]

Answer:

• Molecular mass of Iron (III) tetraoxide

$\dashrightarrow \: { \tt{(56 \times 3) + (16 \times 4)}} \\ = { \tt{168 + 64}} \\ = { \tt{232\:g}}$

[ molar masses: Fe → 56, O → 16 ]

$\dashrightarrow \:{ \rm{232 \: g \: = 1 \: mole}} \\ \\ \dashrightarrow \: { \rm{55.85 \: g = ( \frac{55.85}{232}) \: moles }} \\ \\ \dashrightarrow \: { \boxed{ \tt{ = 0.24 \: moles}}}$

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2 years ago

How does Lewis Dot Structures can be used to show reactions between different chemical elements

notsponge [240]

Explanation:

yes yes yes yes yesterday and it kic to get me in a way that is the only one who is in my life that was my thought it

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2 years ago

How many photons of light are emitted when the electrons in 10 hydrogen atoms drop from energy level 5 to 3?

nata0808 [166]

The Answer is 10 it a little difficult to explain but I’ll try my best

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2 years ago