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ra1l [238]
3 years ago
13

Write an equation that represents the action in water of nitrous acid as an arrhenius acid.

Chemistry
1 answer:
saw5 [17]3 years ago
4 0
Arrhenius Acid:
                       Arrhenius Acid is any specie which when dissolved in water produces H⁺ (proton) Ions.

Nitrous Acid:
                    Nitrous Acid also acts as Arrhenius Acid when dissolved in water.

                          HNO₂  +  H₂O    →    NO₂⁻  +  H₃O⁺
Where,
                                H₃O⁺    ⇆    H⁺  +  H₂O

As HNO₂ produces H⁺ Ions in water, so it is an Arrhenius Acid.
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Enter a molecular equation for the gas-evolution reaction that occurs when aqueous hydroiodic acid and aqueous potassium sulfite
Katen [24]

Answer:

2HI + K2SO3=>2KI+H2SO3

Explanation:When aqueous hydroiodic acid and aqueous potassium sulfite are mixed the products obtained are potassium iodide and sulfurous acid.Both reactants are ionic compounds and they undergo double replacement reaction.In a double replacement reaction the parts of the ionic compounds are changed.The product is obtained by combinig cation of one compound with anion of other compound.so in above reaction sulfurous acid is obtained which is in gaseous form and potassium iodide is an ionic compound.

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3 years ago
What is the density of CHCL3 vapor at 1.00atm and 298K?
Advocard [28]

Answer:

4.8 g/mL is the density of chloroform vapor at 1.00 atm and 298 K.

Explanation:

By ideal gas equation:

PV=nRT

Number of moles (n)

can be written as: n=\frac{m}{M}

where, m = given mass

M = molar mass

PV=\frac{m}{M}RT\\\\PM=\frac{m}{V}RT

where,

\frac{m}{V}=d which is known as density of the gas

The relation becomes:

PM=dRT    .....(1)

We are given:

M = molar mass of chloroform= 119.5 g/mol

R = Gas constant = 0.0821\text{ L atm }mol^{-1}K^{-1}

T = temperature of the gas = 298K

P = pressure of the gas = 1.00 atm

Putting values in equation 1, we get:

1.00atm\times 119.5g/mol=d\times 0.0821\text{ L atm }mol^{-1}K^{-1}\times 298K\\\\d=4.88g/L

4.8 g/mL is the density of chloroform vapor at 1.00 atm and 298 K.

7 0
3 years ago
Answer all of them free brainlest
sergiy2304 [10]

Answer:

1

Explanation:

2

3 0
3 years ago
Read 2 more answers
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