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3 years ago

Explain how a redox reacation involves electrons in the same way that a neutralization reaction involves protons

1 answer:

8 0

For the neutralization process: an acid acts as a donor and donates protons to the base. On the other hand, the base acts as an acceptor and accepts the transferred protons. In a nutshell, neutralization is mainly proton transfer process.

As for the redox process: the oxidized material usually transfers electrons to the reduced material. In a nutshell, redox is mainly electron transfer process.

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A mixture of helium and neon gases has a density of 0.2460 g/L at 35.2°C and 288 torr. What is the mole fraction of neon in this

pshichka [43]

We know the volume of one mole of gas at 273 K and 760 Torr is 22.4 L. Using
(PV)/T = constant
We can calculate the volume of the gasses at the given conditions:
(P₁V₁)/T₁ = (P₂V₂)/T₂
(760 * 22.4) / 273 = (288 V₂) / 308.2
V₂ = 66.7 L
Mass of He: 4
Mass of Ne: 20
Fraction of Ne: x
Fraction of He: 1 - x
avg density = (∑(component fraction × component mass))/volume
0.2460 = (20x + 4(1 - x))/ 66.7
x = 0.775

6 0

4 years ago

How many moles would be equal to 22.4 g of CO2?

Rzqust [24]

Answer:

Number of moles = 0.51 mol

Explanation:

Given data:

Mass of CO₂ = 22.4 g

Number of moles = ?

Solution:

Number of moles of CO₂:

Number of moles = mass/molar mass

Molar mass of CO₂ = 44 g/mol

by putting values,

Number of moles = 22.4 g/ 44 g/mol

Number of moles = 0.51 mol

4 0

3 years ago

Substances made of two or more elements chemically joined togethher are called what

slamgirl [31]

Answer:

compounds

Explanation:

Substances made of two or more elements that are chemically joined together are called compounds.

Generally, elements are substances that contain just a type of atom. Compounds, on the other hand, contain different atoms (of different elements) that are chemically linked together. The linkage is referred to as bonding. The bonding could be covalent, ionic, or hydrogen bonding.

7 0

3 years ago

In chemistry class, 3 liters of a 4% silver iodide solution must be mixed with a 10% solution to get a 6% solution. how many lit

pochemuha

The answer is 24 solutions are needed

6 0

4 years ago

QUESTION 5

Elenna [48]

B. 3.77 L is the new volume occupied by the gas.

Explanation:

As per Avogadro's law, which states that if the pressure and temperature held constant, then an equal volume of the gases will occupy an equal number of molecules. It can be written as,

$$\frac{V1}{n1} = \frac{V2}{n2}\\$

Here, V1, volume of the helium gas = 2.9 L

V2, volume of the additional helium gas in the balloon = ?

n1, moles of helium gas = 0.150 mol

n2, number of moles of additional helium gas = 0.150 + 0.0450 = 0.195 mol

We have to rearrange the equation for V2 as,

V2 = $$\frac{V1n2}{n1}$

Now Plugin the values as,

V2 = $$\frac{2.9 L \times 0.195 mol}{0.150 mol}$

= 3.77 L

So the new volume of the balloon is 3.77 L.

6 0

3 years ago