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2 years ago

Acidity is a measure of the amount of dissolved hydroxide ions in a solution.

Chemistry

1 answer:

Gekata [30.6K]2 years ago

4 0

The concentration of hydrogen ions in a solution is a measure of its acidity. So the correct option is (b) false.

When an Arrhenius acid is dissolved in water, hydrogen ions are produced:

H+(aq) + A- = HA + H2O (aq)

Here, H+ is the hydrogen cation, A- is the solvated anion, also known as the conjugate base, and HA is the non-dissociated acid. When an Arrhenius base is dissolved in water, hydroxide ions are produced:

BOH + H2O → B+(aq) + OH-(aq)

Is a material with at least one hydrogen atom that has the ability to split apart in an aqueous solution to produce an anion and an H + ion (a proton), creating an acidic solution. Bases are substances that, when dissolved in water, create hydroxide ions (OH) and a cation, resulting in a basic solution.

Learn more about hydrogen here:

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Which substance is an inorganic compound?<br> A) water<br> B) glucose<br> C) protein<br> D) DNA

Ganezh [65]

Water is an inorganic compound.

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3 years ago

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How many glucose molecules are needed to make 24 acetyls in pyruvate processing?

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3 years ago

2PbS(s) + 3O2(g)  2PbO(s) + 2SO2(g) H = -827.4 kJ What is the volume of sulfur dioxide produced at STP if 975 kJ of heat are l

Akimi4 [234]

Answer:

52.79 dm3 of SO2 will be produced when 975kJ/mol of heat are liberated.

Explanation:

In the reaction given;

2PbS(s) + 3O2(g)  2PbO(s) + 2SO2(g) H = -827.4 kJ/mol

-827.4 kJ/mol of heat liberates 2 moles of SO2 in the reaction involving lead and oxygen

At STP, -827.4 kJ/mol of heat liberate 22.4 * 2 dm3 of SO2

So therefore, 975 kJ/mol of heat will liberate

= 975 * 22.4 * 2 / -827.4

= 43 680 / -827.4

= 52.79 dm3 of SO2.

52.79 dm3 of SO2 will be produced at STP if 975 kJ/mol of heat are liberated.

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3 years ago

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