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3 years ago

Given the equation for a system at equilibrium:

Chemistry

1 answer:

zlopas [31]3 years ago

6 0

Answer: 1. $NH_3$ increases.

Explanation:

Any change in the equilibrium is studied on the basis of Le-Chatelier's principle.This principle states that if there is any change in the variables of the reaction, the equilibrium will shift in the direction to minimize the effect.

For the given equation:

$N_2(g)+3H_2(g)\rightleftharpoons 2NH_3(g)+energy$

If the concentration of $N_2$ is increased , according to the Le-Chatlier's principle, the reaction has to shift to right or forward direction. In order to do that the concentration of products has to increase.

Thus the concentration of $NH_3$ increases.

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SCIENCE HELP !!!! 10 POINTS

stich3 [128]

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3 years ago

A standard solution contained 0.8 mg/mL. A student took 2 mL of the standard solution and added 10 mL of water. What is the new/

galben [10]

To get the concentration of the second solution let us use the following formulae

C1V1=C2V2 where C1 is concentration of first solution and V1 is the volume of solution first solution. on the other hand C2 is the concentration of second solution and V2 is the volume of second solution.

therefore

0.8×2=(2+10)×C2
1.6 =12×C2
1.6/12=C2
C2 = 0.1333mg/mL

7 0

3 years ago

Read 2 more answers

Balancing equations

eduard

For fine have to usual

5 0

2 years ago

27. Which of the following molecules are chiral?(EXTRA CREDIT I. 2-Chlorobutane II. 3-Bromopentane ?. 1-Bromo-2-methylpropene IV

igor_vitrenko [27]

2-Chlorobutane, 2-Bromo-3-methylbutane are chiral .

chiral condition - a compound is said to be chiral if it is surrounded by 4 different groups

I,IV are chiral

II,III are achiral

Molecular types with non-superposable mirror images are known as chiral molecules. The existence of an asymmetric carbon atom in a molecule is the characteristic that most frequently contributes to chirality. When referring to an object that cannot be superposed on its mirror counterpart, the adjective "chiral" is generally employed.

A corkscrew, golf clubs, scissors, and other chiral items all have a "handedness." Thus, one can get scissors and golf clubs that are designed for either hand. Gloves and shoes are also sold in pairs, a right and a left.

learn more about chiral molecules here:

brainly.com/question/28095208

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1 year ago

An "extensive property" is a material property that depends on the amount of material present in a sample. An "intensive propert

TEA [102]

Answer: Rate of reaction is an "extensive property". Rate of generation of a chemical species is an "intensive property"

Explanation:

Let´s check out the Factors that affect the speed of reactions:

Temperature, Physical state of the reagents, Presence of a catalyst, Pressure, light, Concentration of the reagents.

When having a general chemical reaction like this:

aA + bB → cC + dD

Usually the rate of reaction is represented by the next equation

$Rate = k [A]^{x} [B]^{y}$

Where k= constant

x, y = reactant orders

A, B = reactant concentration

As we can see in the last equation, the rate of reaction depends directly of the amount of material present in a sample, that is why it is an "extensive property"

The rate of generation of a chemical species, depends of other factors like Temperature, Presence of a catalyst, Pressure. As we can see all the factors that allow the speed of generation of a new chemical species let us know that this is an intensive property because it doesn´t depends of the amount of material.

7 0

3 years ago