All categories

3 years ago

Ice must absorb heat to melt into water. What must water do to evaporate?

Chemistry

2 answers:

Mumz [18]3 years ago

6 0

<h2>Answer:</h2>

<u>The temperature must be increased in order to evaporate water</u>

<h2>Explanation:</h2>

Evaporation happens when atoms or molecules escape from the liquid and turn into a vapor. If the energy of water molecules is increased which means heat is released then the water molecules come to surface of the container and leaves it. These water molecules are called vapors. When water is heated, the molecules move and vibrate so quickly that they escape into the atmosphere as molecules of water vapor.

Flauer [41]3 years ago

3 0

Increase in heat, molecules start to escape and it turns to vapor

You might be interested in

Answering questions by analyzing specific observations and using them to come to a more general understanding is known as ______

ad-work [718]

The correct answer would be inductive reasoning.

Primavera?

4 0

3 years ago

Read 2 more answers

Select the TRUE statements below regarding the coordination compound prepared in lab. Group of answer choices The coordination c

Vanyuwa [196]

Answer: Hello the compound is missing but I was able to get the Full question and missing compound . ( compound = copper sulfate )

<em>answer</em> : statement ; 2 , 3 and 5

Explanation:

The true statements regarding the coordination compound ( copper sulfate ) are :

The ligand must have at least one unshared pair of valence electrons in order to covalently bond with transition metal in the coordination compound ( statement 2 )
Ethanol was used during crystallization of the coordination compound because the compound is soluble in ethanol ( statement 3 )
The colors of many coordination compounds are the result of light absorption by the d electrons on the transition metal ( statement 5 )

During the coordination of compounds dative bonds exits between the transition metals and the Ligands molecules

7 0

3 years ago

Explain what a chemical reaction is and moles

Delvig [45]

Answer:

A process during which chemical bonds between atoms are broken and new ones are formed, producing one or more substances.

Moles are the amount of substance that contains as many particles.

Explanation:

A chemical reaction is when a chemical change occurs for example when a nail comes into contact with air and is then exposed to air it begins to rust. It forms a red-brown substance which changes the chemical composition of the original compound.

Examples of chemical reactions:

Combustion

Oxidation (rusting)

Cooking an egg

Photosynthesis

Digestion

Fireworks

Paper Burnin

The mole is the amount of substance that contains as many particles (molecules, ions or atoms) as there are in 12g of carbon.

1 mol is the amount of substance that contains the same number of particles as there are atoms in 12.0 g of carbon-12 and that number is referred to as Avogardo's constant (6.022 x $10^{23}$ ).

3 0

2 years ago

The mass of a solid substance is 21.112 g. If the volume of the solid substance is 19.5 cm3, calculate the density of the substa

Ostrovityanka [42]

Answer:

ρ = 1.08 g/cm³

Explanation:

Step 1: Given data

Mass of the substance (m): 21.112 g

Volume of the substance (V): 19.5 cm³

Step 2: Calculate the density of the substance

The density (ρ) of a substance is equal to its mass divided by its volume.

ρ = m / V

ρ = 21.112 g / 19.5 cm³

ρ = 1.08 g/cm³

The density of the substance is 1.08 g/cm³.

6 0

3 years ago

What is the total number of strontium and phosphate ions you have added to your solution after two or three shakes? why are ther

Brrunno [24]

<span>Assuming that there are 36 strontium and 24 phosphate, there aren’t any equal cations and anoins because in theory only one ionic bond is formed by a strontium with each phosphate ion. To the point that a cation will eventually have an excess.</span>

4 0

3 years ago