You to cute ✌✌<br><br> i will give u brailtist if u send me something funny.

Gaseous water molecules condense when they _______. Liquid water molecules evaporate when they _______.

ruslelena [56]

Answer : Gaseous water molecules condense when they cooled. Liquid water molecules evaporate when they heated.

Explanation :

Condensation : It is a process in which a phase changes from gaseous state to liquid state. This process occurs when the water molecules in the air cool down and they join together to form liquid water.

Evaporation : It is a process in which a phase changes from liquid state to gaseous state. This process occurs when the water is heated, the molecules in the water move and vibrate quickly that they escape into the atmosphere as water vapor.

3 0

2 years ago

Complete the questions below using the following diagram.

Vadim26 [7]

Answer:

atomic number- 42

chemical number- 96

number of protons-18

atomic mass-96

number of eletrons-42

number of valence eletrons- 1, 2, 13, or 18. (sorry i forgot)

nummber of shells in n=3 shell-18

number of neutrons-54

Explanation:

well i just know the periodic table by heart and thats how i got the answer XD

5 0

2 years ago

Classify each of the following substances:

Keith_Richards [23]

Explanation:

Carbon dioxide is a polar molecule whose positive center is on the carbon atom: This positive center is able to attract (and accept) the lone electron pairs present on the oxide ion (O2-). carbon dioxide is acts as a Lewis acid

A Lewis acid can accept a pair of electrons from a Lewis base. The boron in BF3 is electron poor and has an empty orbital, so it can accept a pair of electrons, making it a Lewis acid. A Lewis acid is defined as an electron-pair acceptor.

In CO molecule, there is a lone pair on both carbon and oxygen. The substance which can donate an electron pair are called Lewis base. It is clear that CO molecule can donate an electron pair and hence, it is a Lewis base. Also, CO can be BOTH a Lewis acid and base.

Oxygen is a Lewis base (that too a weak one), not a Lewis acid. REASON: It has lone pair of electrons, which can be donated to electron-deficient species (Lewis acids).

Methane is Neither a Lewis Acid or Lewis Base.

5 0

2 years ago

Aqueous magnesium chloride is added to aqueous silver nitrate. A white precipitate forms. Write the chemical equation for this r

Butoxors [25]

Answer:

1. Molecular equation

BaCl2(aq) + 2AgNO3(aq) –> 2AgCl(s) + Ba(NO3)2 (aq)

2. Complete Ionic equation

Ba²⁺(aq) + 2Cl¯(aq) + 2Ag⁺(aq) + 2NO3¯ (aq) —> 2AgCl(s) + Ba²⁺(aq) + 2NO3¯(aq)

3. Net ionic equation

Cl¯(aq) + Ag⁺(aq) —> AgCl(s)