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OlgaM077 [116]
3 years ago
8

Which of the following statements correctly distinguishes between an acidic and a basic solution? . A. An acidic solution contai

ns a high ratio of hydrogen ions to hydroxide ions and a basic solution contains a ratio that is closer to one.. B. An acidic solution has a high pH and a basic solution has a low pH.. C. An acidic solution has only hydrogen ions and a basic solution has only hydroxide ions. D. An acidic solution has a much higher hydrogen ion concentration than a basic solution.
Chemistry
1 answer:
azamat3 years ago
3 0
Acids are ionic compounds that break apart in water to form a hydrogen ion. The strength of an acid is based on the concentration of hydrogen ions in a solution. The more hydrogen ions, the stronger the acid. Bases are ionic compounds that break apart in water to form negatively charged hydroxide ions. The strength of the base is based on the concentration of hydroxide ions. 
Hence, letter C is the correct answer.
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.​Find the pH if the [H3O+1] is 6.2  10-10 M
pishuonlain [190]

Answer:

The pH is 9,21.

Explanation:

The pH indicates the acidity or basicity of a substance. PH values between 0 and less than 7 indicate acidic solutions, 7 neutral and higher than 7 to 14 basic. It is calculated as

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<em>pH=9,21</em>

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Enthalpies of reaction calculated from bond energies and from enthalpies of formation are often, but not always, close to each o
jolli1 [7]

The enthalpy change in a reaction is given by-

ΔH°rxn = ∑nΔH°f,products - ∑nΔH°f,reactants

This can be expressed in terms of bond energy as-

ΔH°rxn = BEreactants - BEproducts

Therefore, the calculated bond energy according to the above equation will be-

ΔH°rxn = [ (C-C) + 2(C-O) + 4(C-H) + 2(O-H) ] - [ (C-C) + 2(C-O) + 4(C-H) + 2(O-H)  = 0 kJ/mol

<h3>What is enthalpy change?</h3>

Enthalpy change is a measure of the energy emitted or consumed in a reaction. This can be determined using the following equation which involves standard enthalpy of reactant and product formation:

ΔH°rxn = ∑nΔH°f,products - ∑nΔH°f,reactants

<h3>What is bond energy?</h3>

Bond energy is defined as the amount of energy needed to dissociate a mole of molecules into their individual atoms.

Learn more about the Enthalpy Change here:

brainly.com/question/14047927

#SPJ4

6 0
1 year ago
Can I get some urgent help please?​
ololo11 [35]

Answer:

hi here goes your answer

Explanation:

iv. The lower the PH, the weaker the base

5 0
3 years ago
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