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Maksim231197 [3]
3 years ago
6

The weak ionization constant (Ka)

Chemistry
1 answer:
Ksivusya [100]3 years ago
3 0

Answer:

Ka = [H3O+] [N3-] /[HN3]

Explanation:

We'll begin by writing the ionization equation for HN3. This is illustrated below:

When HN3 ionizes in water, the following are obtained:

HN3 + H2O <==> H3O+ + N3-

The ionization constant, Ka is simply the ratio of the concentration of the products to that of the reactants.

Thus, the ionization constant, Ka for HN3 it written as follow:

Ka = [H3O+] [N3-] /[HN3]

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GarryVolchara [31]

Answer:

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Explanation:

cuz it is (copy and paste)

6 0
4 years ago
A 0.211 g sample of carbon dioxide, CO2, has a volume of 560 mL and a pressure of 429 mmHg whats the temperature of the gas in K
SCORPION-xisa [38]

The temperature of the gas sample is 813 K.

<u>Explanation:</u>

We have to use the ideal gas equation to find the temperature of the gas sample.

The ideal gas equation is PV = nRT

Pressure, P = 429 mm Hg = 0.56 atm

Volume, V = 560 mL = 0.56 L

R = gas constant = 0.08205 L atm mol⁻¹K⁻¹

Mass = 0.211 g

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Moles, n = $\frac{given mass}{molar mass} = \frac{0.211 g}{44.01 g/mol}

              = 0.0047 mol

Now, we have to plugin the above values in the above equation, we will get the temperature as,

$T= \frac{PV}{nR}

T = $\frac{0.56  \times 0.56}{0.08205 \times 0.0047}

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5 0
4 years ago
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6 0
4 years ago
The density of a gold nugget is 19.3 g/cm3. If the volume of the gold nugget is 0.00369 L the mass of the nugget is
Sauron [17]

Answer:

The answer to your question is 71.22 g

Explanation:

Data

Density = 19.3 g/cm³

Volume = 0.00369

mass = ?

Formula

Density = \frac{mass}{volume}

Solve for mass

mass = density x volume

Process

1.- Convert volume from liters to cubic centimeters

                 1 l ----------------  1000 cm³

             0.00369l ---------   x

                x = (0.00369 x 1000 ) / 1

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2.- Substitution

       mass = 19.3 x 3.69

3.- Simplification and result

       mass = 71.22 g

6 0
3 years ago
How would using a wider cuvette affect absorbance?
IgorC [24]
The width of the cuvette is important in the spectrophotometric analysis since wider cuvette<span> translates to more absorbing species present in the path where light passes, hence more absorbance is read in the analysis. other factors include the concentration of the sample and the species itself present.</span>
8 0
3 years ago
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