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3 years ago

For each pair of structures, determine whether they represent different compounds or a single compound.

Chemistry

1 answer:

Tomtit [17]3 years ago

5 0

I found a similar question, so I think this can be taken as our problem because you seem to forgot including the picture. So, for letter a, the answer is: they represent different compounds. As you can notice, the CH₂CH₃ and CH₃ are both on the top side for the left figure, while the CH₃ and CH₃ are on the top side of the right figure. They are cis-trans isomers. The left figure is trans-2-pentene while the left figure is cis-2-pentene.

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The equilibrium constant for the reaction NO2(g)+NO3(g)→N2O5(g) is 2.1x10-20 , therefore: a. At equilibrium, the concentration

frutty [35]

Answer: c. At equilibrium, the concentration of reactants is greater than the products

Explanation:

Equilibrium constant for a reaction is the ratio of concentration of products to the concentration of reactants each raised to the power its stoichiometric coefficients.

For the reaction:

$NO_2(g)+NO_3(g)\rightleftharpoons N_2O_5(g)$

Equilibrium constant is given as:

$K_{eq}=\frac{[N_2O_5]}{[NO_2]\times [NO_3]}$

$2.1\times 10^{-20}=\frac{[N_2O_5]}{[NO_2]\times [NO_3]}$

When

a) K > 1, the concentration of products is greater than the concentration of reactants

b) K < 1, the concentration of reactants is greater than the concentration of products

c) K= 1, the reaction is at equilibrium, the concentration of reactants is equal to the concentration of products

Thus as $K_{eq}$ is $2.1\times 10^{-20}$ which is less than 1,

the concentration of reactants is greater than the concentration of products

3 0

4 years ago

A solution is made by dissolving 26.42g of (NH4)2so4 in enough h2o to make 50.00ml of solution

DochEvi [55]

Moles of ammonium sulfate = 26.42/molar mass of (NH4)2SO4
= 26.42/132.14 = 0.19 mole.

Molarity = moles of ammonium sulfate/volume of solution
= 0.19/50x10^-3
= 3.8M

6 0

4 years ago

Read 2 more answers

A particular beer is 65.0% ethanol by volume . If a single bottle of beer contains a total of 750.0 mL of beer, what volume, in

Oksi-84 [34.3K]

The volume in mL of ethanol (C₂H₆O) present in the bottle is 487.5L

HOW TO CALCULATE VOLUME OF ETHANOL:

According to this question, a particular beer is 65.0% ethanol by volume. This means that the beer contains 65/100 of ethanol.

If a single bottle of beer contains a total of 750.0 mL of beer, the volume of ethanol in the bottle is calculated as follows:

= 65/100 × 750

= 65 × 7.5

= 487.5mL

Therefore, volume in mL of ethanol (C₂H₆O) present in the bottle is 487.5L

Learn more at: brainly.com/question/8725232?referrer=searchResults

6 0

2 years ago

Please help me ASAP!!! THANKS

Elan Coil [88]

Answer:

Explanation:

Nonmetals are only on the right side (other than hydrogen of course).

Malleable means to be able to be hammered out of shape with no cracking and luster is shiny (metallic properties)

Most likely a transition metal

6 0

3 years ago

Predict the formula for a compound containing carbon (C) and chlorine (Cl)

Ksenya-84 [330]

Answer:

Carbon has a valency of+4 and chlorine has a valency equal to −1.Compound is Carbon tetrachloride CCl4.

8 0

3 years ago