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Mamont248 [21]
3 years ago
14

List three things you would need to consider to determine whether or not a chemical system is at equilibrium?

Chemistry
2 answers:
Vitek1552 [10]3 years ago
6 0
First of all you need a chemical system ie a system in which there are at least two reactants to start with. Then there needs to be a reaction between the reactants so that products are being created. Finally it needs to be determined at what point there are no more products being created, and that then should represent equilibrium.
olganol [36]3 years ago
3 0
Chemical system is at equilibrium<span> if both reactants and products are present in concentrations which have no further tendency to change with time. To determine whether or not a chemical system is at equilibrium the following things need to be taken into consideration:
1. If the system is open, the chemical system is 100% not in equilibrium. (</span><span>Equilibrium may only be obtained in a closed system).
2. If t</span><span>he forward and reverse </span>reactions are happening at equal rates, then the system is at <span>equilibrium.
3. If t</span>he products and reactants are present in equal concentrations, then the system is at <span>equilibrium.</span>
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All solids have fixed: mass volume shape all of the above
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Answer is all of the above. Solids have definite shapes, volumes, and mass. Liquids don't have a fixed shape, but have a fixed volume. Gases have neither a fixed shape, volume, or mass
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3 years ago
Which is the electron configuration for nobelium (No)?
Alex787 [66]

Answer:

Its A

Explanation:

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Blood test can be used to check a person's blood glucose and hormone levels. The tabular column given below shows the result of
Anastasy [175]

Answer:

Explanation:

1) person 2 had a slightly higher blood glucose level than person 1 after fasting 12 hrs (0.2mmols)

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3 years ago
How many functional groups does the isopropanol contain that can experience this type of interaction
nalin [4]

Answer:

This question is incomplete

Explanation:

This question is incomplete but what you should know is that isopropanol (also referred to rubbing alcohol) has just one functional group. This functional group is called the hydroxyl group (-OH) and it's the reason the compound name ends with "ol". The hydroxyl group can be seen in the structure of the compound (Isopropanol) below

    H  OH  H

     |     |     |

H- C - C - C - H

     |     |     |

    H   H   H

If there is any functional group in isopropanol required for any form of interaction, that functional group will be the hydroxyl group because that's the only functional group isopropanol has.

NOTE: Functional group is an atom or group of atoms that determines the chemical properties of a compound.

3 0
3 years ago
Help please chemistry question
Gemiola [76]

Answer:

D. K_{a} = \frac{[\text{H}^{+}][\text{NO}_{2}^{-}]}{[\text{HNO}_{2}]}

Explanation:

The general form of an equilibrium constant expression is

K = \frac{[\text{Products}]}{[\text{Reactants}]}

In the equilibrium

HNO₂ ⇌ H⁺ + NO₂⁻

The products are H⁺ and NO₂⁻, and the reactant is HNO₂.

∴ K_{a} = \frac{[\text{H}^{+}][\text{NO}_{2}^{-}]}{[\text{HNO}_{2}]}

3 0
3 years ago
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