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3 years ago

_NH3+ H2SO4 → (NH4)2SO4

Chemistry

1 answer:

choli [55]3 years ago

8 0

Answer:

The answer to your question is letter d. Synthesis

Explanation:

a. In a decomposition reaction, one single reactant splits out and forms 2 or more products.

b. In a single replacement reaction, a single atom replaces the cation of a molecule.

c. In a combustion reaction, an organic molecule reacts with oxygen to form carbon dioxide and water.

d. In a synthesis reaction, two reactants or more reactants combine to form one single product.

e. In a double replacement reaction, two molecules interchange cations and anions.

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4 years ago

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Calculate the vapor pressure of a solution made by dissolving 11.1 g Ca(OH)2 in 1 102 g of water at 25 °C. Vapor pressure of pur

Levart [38]

Answer:

23.15 mmHg.

Explanation:

To solve this question you need to understand that part of Raoult's law in your Chemistry textbook. So, let us delve right into the solution of the question.

We are given parameters such as the mass of Ca(OH)2 to be = 11.1 grams, mass of solvent = 102 grams, the Vapor pressure of pure water= 23.76 mm Hg, temperature = 25°C and vapour pressure of the solution= ??.

The molar mass of Ca(OH)2= 74 g/mol.

The first thing to do is to find the number of moles of Ca(OH)2 and that of water from the formula below;

Mass/ molar mass = Number of moles.

===> Number of moles, n= 11.1/ 74.

Number of moles = 0.15 moles Ca(OH)2.

===> Number of moles, n= 102/ 18.

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Next, we add the two moles together to find the solvent mile fraction since vapour pressure is proportional to mole fraction.

Then;

0.15 + 5.67 = 5.82.

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Hence the vapor pressure of a solution = 0.97 × 23.76.

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4 years ago

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2 years ago

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3 years ago

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also to answer the 'hello guys what is good!':nothin u?

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3 years ago

___NH3+ __H2SO4 → (NH4)2SO4

_NH3+ H2SO4 → (NH4)2SO4