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trapecia [35]
3 years ago
7

Photochemical isomerization of (E,E)-2,4-hexadiene to (Z,E)-2,4-hexadiene is a two-step process in which a photochemically drive

n intermediate forms and then thermally rearranges to give the product. Draw the structure of this intermediate, using wedge-and-dash bonds to denote the appropriate stereochemistry.
Chemistry
1 answer:
Lisa [10]3 years ago
8 0

Answer:

Its response to this question is as follows:

Explanation:

Please find in the attachment file the complete query and the answer file.

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A sample of a substance has a volume of 60.5ml and a density of 1.20g/ml what is density of magneis
erica [24]

Answer:

m = 72.6 grams

Explanation:

Given that,

The density of the substance uis 1.2 g/mL

Volume, V = 60.5 mL

We need to find the mass of the substance. Density is equal to mass divided by its volume. So, it can be given by :

d=\dfrac{m}{V}\\\\m=d\times V\\\\m=1.2\ g/mL\times 60.5\ mL\\\\m=72.6\ g

So, the mass of the substance is 72.6 grams.

8 0
3 years ago
What is the volume of 84 g of bromine gas (Br2) at STP?
Alla [95]

Answer : The correct option is, 11.77 L

Solution : Given,

Mass of bromine gas = 84 g

Molar mass of bromine gas = 159.8 g/mole

First we have to calculate the moles of bromine gas.

\text{Moles of }Br_2=\frac{\text{ given mass of }Br_2}{\text{ molar mass of }Br_2}=\frac{84g}{159.8g/mole}=0.5256moles

Now we have to calculate the volume of bromine gas at STP.

As we know that at STP,

1 mole of bromine gas contains 22.4 L volume of bromine gas

So, 0.5256 mole of bromine gas contains 22.4\times 0.5256=11.77L volume of bromine gas

Therefore, the volume of bromine gas at STP is, 11.77 L

3 0
4 years ago
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Use the following terms to complete the concept map below: South America Pangaea North America Laurasia Gondwana
mario62 [17]
You need to add the map thing
4 0
4 years ago
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Which statement describes effusion?
frez [133]

Answer:

It occurs when a gas passes through a tiny hole.

Explanation:

Effusion is a term used to describe when a gaseous molecule in a container passes or escapes through a tiny/small hole. Effusion and diffusion are two properties of gases that are often used interchangeably, however, they differ.

Effusion differs from diffusion in the sense that the gas passes through a TINY HOLE that is smaller than the normal path. This is contrary to when gas disperses throughout a container as in diffusion.

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3 years ago
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Solve the simultaneous equation<br> -4x+3y=1<br> 6x-y=2
Maslowich

Answer:

x = 1/2 y = 1

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1 year ago
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