PLS ANSWER THIS FOR ME ILL GIVE BRAINLIEST
ok so pls watch episode 18 (Eureka Videos is the channel) and then answer all these

When molecules evaporate they are gaining enough _______ to break the forces of __________ holding them together. This might be compared to the popping of popcorn.


Why can't we see the vapour molecules that have escaped?.


How does increasing the heat affect the rate of molecules popping out into the vapour state?


The colder molecules get, the _________ they move

Answer:

D. it formed by petrifaction

Explanation:

Petrifaction is the process of petrifying, fossilizing, or preserving wood; hence, "petrified wood."

Answer:

the answer is b........

Answer:

[tex]\frac{2}{5}[/tex]

Explanation:

Probability refers to chances of occurrence of any event.

Value of probability is greater than or equal to 0 and less than or equal to 1.

Probability = Number of favorable outcomes ÷ Total number of outcomes

Total number of students in math group = 5

Also, 2 students are randomly picked to  be the co-captains.

Probability that students were Sammie and Victor = [tex]\frac{2}{5}[/tex]

Answer:

H

Explanation:

b/c the polyatomic PO4¯³

have 3 valance number

Answer:

At birth, there are approximately 1 million eggs; and by the time of puberty, only about 300,000 remain. Of these, only 300 to 400 will be ovulated during a woman's reproductive lifetime. Fertility can drop as a woman ages due to decreasing number and quality of the remaining eggs.

Explanation:

Hope This Helps!!

Answer:

One egg per month usually .

Explanation:

This is the single egg that makes it through the whole ovulatory process

Answer:

b) ions

Explanation:

Answer: all of the above

Explanation:

Answer:

I'd say the temperature. although if I had to choose two I would also say the wind...I'm leaning more to temperature though.

The Coriolis effect is the acceleration of the objects with the moving earth. The Coriolis effect affects both deep water and surface currents in the ocean.

The Coriolis effect (also known as the Coriolis force).

It describes the apparent deflection of items traveling in a straight line relative to the Earth's surface (such as airplanes, wind, missiles, and ocean currents).

The Coriolis effect is the acceleration of the objects with the moving earth.

Thus, The Coriolis effect impacts both deep water and surface currents in the ocean.

Learn more about the Coriolis effect, here:

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Answer:

The abundance of 35/17 Cl is 75% and 25% of 37/17Cl

Explanation:

The molar mass of an atom is defined as the sum of the masses of each isotope times its abundance, that is:

35.5amu = 35amu*X + 37amu*Y (1)

Where X is the abundance of the 35/17Cl and Y the abundance of 37/17 Cl

As there are just these 2 isotopes and the abundances of both isotopes = 1:

X + Y = 1 (2)

Replacing (2) in (1):

35.5 = 35X + 37(1-X)

35.5 = 35X + 37 - 37X

-1.5 = -2X

X = 0.75 = 75%

And Y = 100-75% = 25%

Answer:

Explanation:

Ionic bonds form when a nonmetal and a metal exchange electrons, while covalent bonds form when electrons are shared between two nonmetals. An ionic bond is a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions.

Answer:

4 moles of potassium chlorate must be used to produce 6 moles of oxygen gas.

Explanation:

From the above reaction:

2KCIO3(s) - 2KCl(s) + 3O2(g)

where,

KCl = Potassium Chloride,

O2 = Oxygen

KClO3 = Potassium chlorate

To calculate the number of moles for KClO3

If 3 moles of O2 gives 2 moles of KClO3

then 6 moles of O2 gives 6/3 x 2 = 4 moles of KClO3.

Hence, 4 moles of KClO3 produces 6 moles of O2.

Moles are "a unit of measurement for chemicals, just as meters are measurement units for length and grams are measurement units for mass".

What is Potassium Chloride?

Potassium Chloride is a "metal halide composed of potassium and chloride".

Oxygen is "an element with atomic symbol O, atomic number 8, and atomic weight 16".

Potassium chlorate is "an important potassium compound that can be used as an oxidizer, disinfectant, source of oxygen, and component in pyrotechnics and chemistry demonstrations".

To learn more about Potassium Chlorate here

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Answer:

an ionic equation is a chemical equation in which the electrolytes in aqueous solution are expressed as dissociated ions. ... Additionally, the net charge is the same on both sides of the equation.

Explanation:

So what you end up with is you always end up H+ plus OH- yields H2O, because HCl, and NaOH, since they're strong, they fully dissociate. So the Na+, and the Cl - are spectator ions. So with a strong acid and strong base, the net ion equation is always H+ plus OH- yields H2O.

Answer:

no habla espanol

Explanation:

Answer:

Three lithium and one nitrogen atoms

Answer:

See explanation

Explanation:

The equation of the reaction is;

C (s) + O2(g) ------> CO2(g)

a) From the equation we can see that it is a 1:1 reaction hence, 1 mole of carbon yields 1 mole of CO2

b) Similarly, 1 * 10^3 moles of Carbon  also yields 1 * 10^3 moles of CO2.

Answer:

D. It increases in magnitude as amount of damage increases.  

Explanation:

I took the test and chose A got it wrong and it said it was D

Answer:

D

Explanation:

Answer:9

Explanation:

F is Flourine on the periodic table; the atomic number of Flourine is 9

caution: when you say “20 F” your meaning is unclear. regardless of what you mean, though, the atomic number of F is 9

Answer:

Solfuric Floride

Nitrodgen Oxide

Clorine oxide

Sulfur Cloride

Explanation:

IM A CHEMISTRY WIZ

Answer:

In a nuclear fusion reaction, the nuclei of two atoms combine to create a new atom. Most commonly, in the core of a star, two hydrogen atoms fuse to become a helium atom. Although nuclear fusion reactions require a lot of energy to get started, once they are going they produce enormous amounts of energy.

Explanation:

Answer:

Neon is a chemical element with the symbol Ne and atomic number 10. It is a noble gas.

Answer:

Neon is the element which is in serial number 10 in the periodic table.

Neon is one of the noble gases, i.e., they are stable (talking about NOBLE GASES)

Sulfur is not nearly as electronegative as oxygen so that hydrogen sulfide is not nearly as polar as water. Because of this, comparatively weak intermolecular forces exist for H2S and the melting and boiling points are much lower than they are in water.

The boiling point of hydrogen sulfide is low because the oxygen atom was stronger electronegative than that of the Sulphur atom, water would be more polar than hydrogen sulphide.

If a molecule does have more positive charges on one end than negative charges on the other, an electrical pole has been created. This is how polar molecules are typically formed.

What is boiling point?

The temperature where a liquid's vapor pressure reaches the pressure around it as well as the liquid transforms into a vapor is known as the boiling point of a substance.

The boiling point of hydrogen sulfide is low because the oxygen atom was stronger electronegative than that of the Sulphur atom, water would be more polar than hydrogen sulphide. Additionally, hydrogen sulphide has a lesser melting point as well as boiling point than water due to poor intermolecular forces (dipole forces, Vander Waal's forces).

To know more about polar molecule and boiling point

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Answer:

The phenomena of the physical world at together which includes plants, animals, the landscape, and other features and products of earth as opposed to humans or human creations

Answer:

Answer:

1429.32 mmHg

Explanation:

Initial Pressure P1 = 3000.0mmHg

Initial Temperature T1 = 500.0°C + 273 = 573 K ( Converting to kelvin temperature)

Final Temperature T2 = 0.00°C + 273 = 273 K ( Converting to kelvin temperature)

Final Pressure P2 = ?

The pressure of a given amount of gas is directly proportional to the absolute temperature provided volume remains constant.

This is given by the mathematical expression;

P1 / T1  = P2 / T2

Inserting the values;

3000 / 573 = P2 / 273

P2 = 273 * 3000 / 573

P2 = 1429.32 mmHg

Answer:

A flame is defined as the gaseous part of the fire which is visible to us. A flame is created due to the high exothermic reaction.

Two types of flames based on the amount of oxygen available are:

Answer: This type of reaction is a synthesis reaction.

Explanation: Reaction information:Sulfur Dioxide + Dioxygen + Water = Sulfuric Acid

If I balanced it, it would be 2SO2 + O2 + 2H2O → 2H2SO4

Answer:

español

Un elemento del grupo 3 es un elemento situado dentro de la tabla periódica en el grupo 3. Los átomos de estos elementos tienen gran tendencia a oxidarse y son muy reactivos, predominando el estado de oxidación +3. Presentan propiedades muy similares al aluminio. Dan lugar a iones incoloros.

ingles

An element of group 3 is an element located within the periodic table in group 3. The atoms of these elements have a great tendency to oxidize and are very reactive, with the +3 oxidation state predominant. They have properties very similar to aluminum. They give rise to colorless ions.

Explanation:

ingles

Group -> 3

Group -> 3Period

Group -> 3Period4 21

Group -> 3Period4 21Sc

Group -> 3Period4 21Sc5 39

Group -> 3Period4 21Sc5 39Y

Group -> 3Period4 21Sc5 39Y6 57

Group -> 3Period4 21Sc5 39Y6 57The

Group -> 3Period4 21Sc5 39Y6 57The7 89

Group -> 3Period4 21Sc5 39Y6 57The7 89Ac

español

Grupo -> 3

Grupo -> 3Periodo

Grupo -> 3Periodo4 21

Grupo -> 3Periodo4 21Sc

Grupo -> 3Periodo4 21Sc5 39

Grupo -> 3Periodo4 21Sc5 39Y

Grupo -> 3Periodo4 21Sc5 39Y6 57

Grupo -> 3Periodo4 21Sc5 39Y6 57La

Grupo -> 3Periodo4 21Sc5 39Y6 57La7 89

Grupo -> 3Periodo4 21Sc5 39Y6 57La7 89Ac