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2 years ago

Define freezing....... Correct and detailed answers will be marked as Brainliest.

Chemistry

2 answers:

DIA [1.3K]2 years ago

7 0

Answer:

Freezing:

When liquid is converted to solid, the process is called freezing.

Conditions for freezing:

1) Temperature must be lowered.

2) The temperature should be below 0 degree centigrade.

Example:

The conversion of "liquid water" into "ice".

=> We can use a "freezer" to freeze things.

Nookie1986 [14]2 years ago

4 0

<h2>Freezing:</h2>

The transformation of liquid into solid when it reaches when it's temperature is below freezing point.

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Sulfur trioxide can react with atmospheric water vapor to form sulfuric acid that falls as acid rain. Calculate the mass in gram

Natali [406]

Answer: The mass of sulfur trixoide is 0.0485 g

Explanation:

We are given:

Molecules of sulfur trixoide = $3.65\times 10^{20}$

According to mole concept:

$6.022\times 10^{23}$ number of molecules are present in 1 mole of a compound

So, $3.65\times 10^{20}$ number of molecules will be present in = $\frac{1}{6.022\times 10^{23}}\times 3.65\times 10^{20}=6.06\times 10^{-4}mol$

To calculate the number of moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}$

Moles of sulfur trixoide = $6.06\times 10^{-4}mol$

Molar mass of sulfur trioxide = 80 g/mol

Putting values in above equation, we get:

$6.06\times 10^{-4}mol=\frac{\text{Mass of }SO_3}{80g/mol}\\\\\text{Mass of }SO_3=(6.06\times 10^{-4}mol\times 80g/mol)=0.0485g$

Hence, the mass of sulfur trixoide is 0.0485 g

4 0

2 years ago

Match the vocabulary word with its definition. 1. The measure of the distance from one point to another SI system 2. The metric

OlgaM077 [116]

1. The measure of the distance from one point to another = length

2. The metric system of units = SI system

3. the quantity of matter a body possesses = mass

4. that which flows onward uniformly = time

8 0

2 years ago

Read 2 more answers

What is the mass of 11.4 L of NO2

kodGreya [7K]

At STP volume is 22.4 L

Molar mass NO₂ = 46.0 g/mol

1 mole ---------- 22.4 L
? mole ---------- 11.4 L

moles = 11.4 * 1 / 22.4

moles = 11.4 / 22.4

= 0.5089 moles of NO₂

Mass NO₂ :

moles NO₂ * molar mass

0.5089 * 46.0

= 23.4094 g of NO₂

hope this helps!

7 0

2 years ago

What is the electron configuration called that has 18 electrons in the outer energy level and all of the orbitals filled?

ozzi

Correct. Its called noble gas configuration.

7 0

3 years ago

11. What are transition metals?

kolezko [41]

Answer:

Elements that fall between those on the left and right sides of the periodic table

Explanation:

Transition metals:

These are present at the center of periodic table.

These are d-block elements.

They include the elements of group 3 to 12 in periodic table.

They have large charge to radius ratio.

They mostly form paramagnetic compounds.

They shoes more than one oxidation state.

They form colored compounds.

They all have high melting and boiling point.

They have high densities.

They form stable complexes.

The elements of f-block are also transition but they are called inner transition.These are consist of two series lanthanide and actinides.

8 0

2 years ago