Chemistry, 21.02.2020 02:55 eayoungin

Sulfur trioxide can react with atmospheric water vapor to form sulfuric acid that falls as acid rain. Calculate the mass in grams of 3.65 × 1020 molecules of SO3.

Answers: 2

Show answers

Answers

Answer from: itscheesycheedar

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

Answer from: Quest

both adhesion and cohesion are attractions.

they are different in that adhesion is the force of attraction between the molecules of two different substances, whereas cohesion is the force of attraction between molecules of the same substance.

possible examples include capillary action, in which the adhesion between water and glass causes the water to rise in a narrow tube against the force of gravity.

because of hydrogen bonding, water is extremely cohesive.

this causes molecules on the surface of water to be drawn inward, which is why drops of water form beads on smooth surfaces.

hope this .

Answer from: Quest

hydrocarbons are organic compounds that contain only hydrogens and carbons. they can be saturated (those which contain only carbon-carbon single bonds) or unsaturated (those which contain carbon-carbon double or triple bonds) in nature. hydrocarbons can undergo several reactions like substitution, elimination etc.

on substituting one or more hydrogen atoms in hydrocarbon it results in the formation of haloalkane. as the halogen atoms are large compared to the carbon and hydrogen atoms, due to which the molecular weight increases and the bond become polar because of presence electronegative halogen atom and results in the increase in boiling point of the haloalkane.

thus, the correct option is (b) that is the boiling point of the new compound increases on substituting a hydrogen atom with a halogen in a hydrocarbon.

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 10:00, 2019reynolds

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

Answers: 1

continue

Chemistry, 22.06.2019 11:40, nick5442

Enzymes affect the reactions in living cells by changing the

Answers: 3

continue

Chemistry, 22.06.2019 12:00, Alexislol7908

From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor

Answers: 1

continue

Chemistry, 22.06.2019 14:30, villarrealc1987

In water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never

Answers: 2

continue

You know the right answer?

Sulfur trioxide can react with atmospheric water vapor to form sulfuric acid that falls as acid rain...