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vlabodo [156]
3 years ago
7

Definite basicity of salt​

Chemistry
1 answer:
inysia [295]3 years ago
6 0

Answer:

A basic salt is any salt that hydrolyzes to form a basic solution. Another definition of a basic salt would be a salt that contains amounts of both hydroxide and other anions. White lead is an example. It is basic lead carbonate, or lead carbonate hydroxide.

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One minus two equals negative one and three minus five equals negative two
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Dennis_Churaev [7]

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A.

Explanation:

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3 years ago
Which of the following halogens has the weakest attraction for electrons?
Leokris [45]

Answer:

I

Explanation:

Among the halogens given in this problem, iodine has the lowest attraction for electrons.

This property is known as electronegativity.

Electronegativity is expressed as the relative tendency with which the atoms of the element attracts valence electrons in a chemical bond.

  • As you go down the periodic group the electronegativity decreases.
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4 0
3 years ago
Suppose a 250 ml flask is filled with 1.3mol of O2 and 1.5 mol of NO. The following reaction becomes possible: The equilibrium c
bonufazy [111]

<u>Answer:</u> The equilibrium molarity of oxygen gas is 7.1 M

<u>Explanation:</u>

We are given:

Moles of oxygen gas = 1.3 mole

Moles of NO = 1.5 moles

Volume of the flask = 250 mL = 0.250 L   (Conversion factor:  1 L = 1000 mL)

To calculate the molarity, we use the equation:

\text{Molarity}=\frac{\text{Moles}}{\text{Volume of solution (in L)}}

Molarity of oxygen gas = \frac{1.3}{0.25}=5.2M

Molarity of NO = \frac{1.5}{0.25}=6.0M

The chemical equation follows:

                              O_2+N_2\rightleftharpoons 2NO

Initial:                  5.2    -           6.0

At eqllm:          5.2+x     +x      6.0-2x

The expression of K_c for above equation follows:

K_c=\frac{[NO]}{[O_2][N_2]}

K_c=0.394   (Assuming)

Putting values in above equation, we get:

0.394=\frac{(6.0-2x)^2}{(5.2+x)\times x}\\\\-3.606x^2+26.0488x-36=0\\\\x=1.9,5.4

Neglecting the value of x = 5.4 because this cannot be greater than the initial value.

Concentration of oxygen gas at equilibrium = (5.2 + x) = 5.2 + 1.9 = 7.1 M

Hence, the equilibrium molarity of oxygen gas is 7.1 M

8 0
4 years ago
Which of the following describes freezing? A)A substance changing from the liquid state to the solid state. B) A substance chang
zysi [14]

Answer:

A

Explanation:

A because water turns into ice

5 0
4 years ago
Read 2 more answers
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