which of the following is a characteristic of a weak acid? A. It does not conduct electricity in water B. It is not as dangerous as a strong acid C. It is less concentrated than a strong acid D. It does not dissociate completely in water

Answers

Answer 1

Answer:

A B C D (all of the above)

Explanation:

Weak acid do not have a much hydrogen ions when in liquids or aqueous solutions. Examples of weak acids include vinegar, citric acid (from oranges, lemons, etc)

Answer 2

All of the above are correct.

Weak acids do not completely dissociate in water and therefore it lacks mobile particles to carry a charge. So it cannot conduct electricity in water.

It is not as strong or concentrated as a strong acid because there are less moles per litre.

A weak acid will not completely dissociate in water due to strong intramolecular forces

Related Questions

Which energy profile best shows that the enthalpy of formation of CS2 is 89.4 KJ/mol?

Answers

Answer:

Option C. Energy Profile D

Explanation:

Data obtained from the question include:

Enthalpy change ΔH = 89.4 KJ/mol.

Enthalpy change (ΔH) is simply defined as the difference between the heat of product (Hp) and the heat of reactant (Hr). Mathematically, it is expressed as:

Enthalpy change (ΔH) = Heat of product (Hp) – Heat of reactant (Hr)

ΔH = Hp – Hr

Note: If the enthalpy change (ΔH) is positive, it means that the product has a higher heat content than the reactant.

If the enthalpy change (ΔH) is negative, it means that the reactant has a higher heat content than the product.

Now, considering the question given, the enthalpy change (ΔH) is 89.4 KJ/mol and it is a positive number indicating that the heat content of the product is higher than the heat content of the reactant.

Therefore, Energy Profile D satisfy the enthalpy change (ΔH) for the formation of CS2 as it indicates that the heat content of product is higher than the heat content of the reactant.

The correct answer is Option C

Consider the reaction below.
NH4 + H20 - NH3 + H30"
Which is an acid-conjugate base pair?
O NHA and NH3
O NH4" and H30*
O H20 and NH3
O H20 and H20"

Answers

Answer:

The correct ans is....

Option B) NH4" and H30*

Explanation:

NH4" and H30* is an example of conjugate pair

Hope this helps....

Pls mark my ans as brainliest :)PLS, PLS, PLS

The acid-conjugate base pair : ( B ) NH₄⁺ and H₃O⁻

The chemical reaction is

NH₄ + H₂O --> NH₃ + H₃O

Acid-conjugate base pair

An acid-conjugate base pair is a pair that consists of two substances that are different from each other just by the presence or absence of a proton ( H⁺ ) it helps to determine the relative strengths of acids and bases.

Hence we can conclude that the acid-conjugate base pair : ( B ) NH₄⁺ and H₃O⁻.

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Help PLZ!!! Which statement accurately represents the arrangement of electrons in Bohr’s atomic model? -Electrons move around the nucleus in fixed orbits of equal levels of energy. -Electrons move around the nucleus in fixed orbits of increasing levels of energy. -Electrons move randomly in the relatively large space surrounding the nucleus. -Electrons vibrate in fixed locations around the nucleus.

Answers

Answer:

electrons move around the nucleus in fixed orbits of equal amounts of energy

Explanation:

To see the number of atoms of an element in a given molecule we need to multiply stoichiometry to the number that is written on the foot of the element that is stoichiometry. The correct option is option B.

What is atom?

Atom is the smallest particle of any element, molecule or compound. Atom can not be further divided. Atoms contains nucleus in its center and electron that revolve around the atom in fixed orbit.

In the nucleus, proton and neutron are present. Electron has -1 charge while proton has +1 charge. Neutron is neutral that is it has no charge. So overall the charge of nucleus is due to only proton, not by neutron.

According to Bohr’s atomic model, electrons move around the nucleus in fixed orbits of increasing levels of energy.

Therefore, the correct option is option B that is electrons move around the nucleus in fixed orbits of increasing levels of energy.

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In the redox reaction AgNO3 + Na → NaNO3 + Ag, which element has been
reduced?

Answers

Ag because the number of oxidation reduced from +1 to 0

The element that has been reduced in the redox reaction [tex]AgNO_3 + Na NaNO_3 + Ag[/tex] is silver (Ag). A redox (reduction-oxidation) reaction involves the reduction of one element by the gain of electrons and the oxidation of another element by the loss of electrons.

When sodium (Na) loses one electron to generate [tex]NaNO_3[/tex] in this reaction, sodium changes from its neutral state (with a zero oxidation number) to a positive oxidation state (+1). On the other hand, when silver (Ag) in AgNO3 gets one electron to create Ag, it moves from a +1 oxidation state to a neutral state (with zero oxidation number).

Silver is the element that undergoes reduction in this process because reduction entails a gain of electrons, reducing it from its +1 oxidation state to its neutral state.

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Other Questions

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It offered her the partridge-berries, the growth of the preceding autumn, but ripening only in the spring, and now red as drops of blood upon the withered leaves. These Pearl gathered, and was pleased with their wild flavor. The small denizens of the wilderness hardly took pains to move out of her path. A partridge, indeed, with a brood of ten behind her, ran forward threateningly, but soon repented of her fierceness, and clucked to her young ones not to be afraid. A pigeon, alone on a low branch, allowed Pearl to come beneath, and uttered a sound as much of greeting as alarm. A squirrel, from the lofty depths of his domestic tree, chattered either in anger or merriment,for a squirrel is such a choleric and humorous little personage that it is hard to distinguish between his moods,so he chattered at the child, and flung down a nut upon her head. It was a last years nut, and already gnawed by his sharp tooth. 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