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nevsk [136]
3 years ago
6

Identify the Brønsted acid in the following equation: H2SO4(aq) + 2NH3(aq) (NH4)2SO4aq

Chemistry
1 answer:
Nitella [24]3 years ago
6 0

Answer:

H₂SO₄  

Explanation:

A Brønsted acid is a proton donor.  It loses protons.

This equation may be easier to understand if we write it ionically.

\underbrace{\hbox{H$_{2}$SO$_{4}$}}_{\hbox{Br$\o{}$nsted acid}} + 2 \text{NH}_{3} \longrightarrow \, \underbrace{\hbox{SO$_{4}^{2-}$}}_{\hbox{Br$\o{}$nsted base}} + \text{2 NH}_{4}^{+}

We see that the H₂SO₄ has lost two protons to become SO₄²⁻, so it is a Brønsted acid.

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The density of octane is 0.700 g/cm3.  What is the mass of one liter of octane?
Gelneren [198K]

Answer:

m = 700 g

Explanation:

Density:

Density is equal to the mass of substance divided by its volume.

Units:

SI unit of density is Kg/m3.

Other units are given below,

g/cm3, g/mL , kg/L

Formula:

D=m/v

D= density

m=mass

V=volume

Symbol:

The symbol used for density is called rho. It is represented by ρ. However letter D can also be used to represent the density.

Given data:

Density of octane = 0.700 g/cm³

Volume = 1 L

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D=m/v

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First of all we will convert the volume in cm³ because density is given in g/cm³ unit.

1 L = 1000 cm³

Now we will put the values in formula:

d= m/v

m = v × d

m = 1000 cm³ × 0.700 g/cm³

m = 700 g

5 0
3 years ago
When benzene (c6h6) reacts with bromine (br2) bromobenzene(c6h5br) is obtained: c6h6 + br2 → c6h5br + hbr what is the theoretica
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By observing the reaction given above we can say that the reaction ratio of bromine and benzene is 1 : 1


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Answer B) : To calculate the actual yield we have to divide it with theoretical yield.


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Here, we can say that we got 93.96 % of actual yield.


As we know it is impossible to get 100% yield in any reaction.

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