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2 years ago

How do the equations differ for the neutralization reaction between a strong acid/strong base and a weak acid/strong base

Chemistry

1 answer:

Hunter-Best [27]2 years ago

6 0

The dissociation of a weak acid/base in solution is not complete.

<h3>Strong acid and strong base</h3>

A strong acid is an acid that dissociates completely in solution. A strong base is a base that dissociates completely in solution.

A weak acid do not dissociate completely in solution and a weak base do not dissociate completely in solution.

The equation of the dissociation of a strong acid/base goes to completion while that of a weak acid or base is reversible with the equilibrium position lying closer to the left hand side.

Learn more about strong acids: brainly.com/question/9278149

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What would the percentage of thorium-232 (parent compound) be in a rock that was dated 1.4 billion years?

trasher [3.6K]

Answer:

93.33%

Explanation:

Thorium is a radioactive element with a molecular weight of 232g/mol. Thorium is very stable and can have 14.05 billion years of half-life period. Every half-life passed, the parent compound mass will be decayed by half. If the age of the rock is 1.4 billion years, then the amount of the parent compound will be:r = ½^(time elapsed/half-life)

r = ½^(1.4bil years/14.05 bil years)

r = ½^(0.0996)= 0.9333

r= 93.33%

The rock will have 93.33% of the parent compound and 6.67% of the decayed compound.

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4 years ago

Which statement best describes science?

mrs_skeptik [129]

Explanation:

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3 years ago

Which of the following provides support and protection for many insects

solmaris [256]

most dont have skeletons

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3 years ago

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Estimate ΔG°rxn for the following reaction at 775 K. 2Hg(g) + O2(g) → 2HgO(s) ΔH°= -304.2 kJ; ΔS° = -414.2 J/K

hichkok12 [17]

Answer:

$\Delta G^0_{rxn}=16.81kJ$

Explanation:

Hello!

In this case, since the Gibbs free energy of any process is related with the enthalpy change, temperature and entropy change as shown below:

$\Delta G^0=\Delta H^0-T\Delta S^0$

For a chemical reaction it is simply modified to:

$\Delta G^0_{rxn}=\Delta H^0_{rxn}-T\Delta S^0_{rxn}$

Thus, since the enthalpy of reaction is given as -304.2 kJ and the entropy as -414.2 J/K (-0.4142 kJ/K), at 775 K the Gibbs free energy of reaction turns out:

$\Delta G^0_{rxn}=-304kJ-775K*(-0.4142\frac{kJ}{K} )\\\\\Delta G^0_{rxn}=16.81kJ$

Whose result means this is a nonspontaneous reaction.

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3 years ago

In photosynthesis, the reactants are more stable than the products. However, both the products and reactants are stable. Therefo

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Answer:

A.) Absorb and store

Explanation:

The reaction for photosynthesis is:

$6CO_{2}+ 12H_{2} O$ → $C_{6} H_{12} O_{6} +6H_{2} O$ (reaction conditions: light and chlorophyll)

carbon dioxide + water → glucose + water

This means light energy is absorbed and stored as sugar molecules and energy for the plant

Therefore, the photosynthesis reaction will  absorb  energy and  store  it in the chemical bonds.

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4 years ago

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