Rank them from the smallest to the largest

Rank Them From The Smallest To The Largest

Answers

Answer 1

electrons

protons

atom

compounds

mixtures


Related Questions

I para realizar un receta casera de bizcocho se necesitan 100 gramos de azúcar, calcula los moles a los que equivale y el número de moléculas de sacarosa.

Answers

The complete question is as follows: I want to make a homemade cake recipe you need 100 grams of sugar, calculate the moles to which it is equivalent and the number of molecules of sucrose.

Answer: In 100 grams of sugar there are 0.292 moles and the number of molecules of sucrose are [tex]1.76 \times 10^{23}[/tex].

Explanation:

Given: Mass = 100 g

Molar mass of sugar = 342.3 g/mol

As number of moles is the mass of substance divided by its molar mass.

Hence, moles of sucrose are calculated as follows.

[tex]Moles = \frac{mass}{molar mass}\\= \frac{100 g}{342.3 g/mol}\\= 0.292 mol[/tex]

According to mole concept, 1 mole of every substance contains [tex]6.022 \times 10^{23}[/tex] molecules.

Hence, the number of molecules present in 0.292 mol are calculated as follows.

[tex]0.292 mol \times 6.022 \times 10^{23}\\= 1.76 \times 10^{23}[/tex]

Thus, we can conclude that in 100 grams of sugar there are 0.292 moles and the number of molecules of sucrose are [tex]1.76 \times 10^{23}[/tex].

The chemical bonding in sodium phosphate, Na3PO4 is classified as
A) ionic, only
B) metallic, only
C) both covalent and ionic
D) covalent, only​

Answers

Answer:

C

Explanation:

The phosphate group PO4 is bonded covalently (bond between two non metals). While the sodium being bonded to the phosphorus atom is an ionic bond (bond between a metal and a non metal)

The chemical bonding in sodium phosphate, Na3PO4 is classified as both covalent and ionic. Therefore, option C is correct.

What is chemical bonding ?

An enduring attraction between atoms or ions known as a chemical bond is what allows molecules and crystals to form. The bond may be created by the sharing of electrons in covalent bonds or by the electrostatic attraction of two oppositely charged ions, as in ionic bonds.

Chemical bonds are formed when the atoms in a compound's molecule are brought together and kept together by a powerful combining force. Ionic and covalent bonds are the two different types of chemical bonds.

Molecules are held together by chemical bonds, which also make transient connections necessary for life. chemical bonds, including as ionic, covalent, and hydrogen bonds, as well as London dispersion forces.

Thus, option C is correct.

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Ethanol has a heat capacity of 2.46 Jig 'c. If 50 g of ethanol has a temperature of 30°C and a piece of hot Copper is added to the ethanol causing the
temperature to increase to 70°C. What is the amount of heat absorbed by the ethanol?

Answers

Explanation:

there it is fella tried on ma own consciousness

URGENT!!!

A 0.420 M Ca(OH)2 solution was prepared by dissolving 64.0 grams of Ca(OH)2 in enough water. What is the total volume of the solution formed? (4 points)
1.07 liters
1.23 liters
2.05 liters
2.18 liters

Answers

Answer:

2.05 L is the correct answer.

Explanation:

w = 64 g

c = 0.420 M

m = 40 + (16+1)×2 = 74

[tex]c = \frac{w}{m \times v} \\ \implies \: v = \frac{w}{c \times m} \\ = \frac{64}{0.420 \times 74} \\ = 2.05 \: \: liters[/tex]

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The volume of the solution is given below which can be calculated using the molarity formula.

d. 2.18 litres

Molarity:

It is defined as the ratio of number of moles of solute to the volume of the solution.

It is given by:

M= n/V

What information do we have?

M= 0.420M

mass = 64.0 grams

Molar Mass= 74g/mol

To find:

Volume of solution=?

Calculation for number of moles:

n= m/ M

n= 64/70

n= 0.91 moles

Molarity=  n/V

0.420 M= 0.91 moles /V

V= 0.91/ 0.420

V= 2.1768 litres

Thus, the volume of the solution is 2.18 litres.

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The aximuthal quantum number of an orbital is 3. What are the possible values of m?​

Answers

For a given valye of l(l shell), values of m are from -l to 0 to l, so m could be; -3, -2, -1, 0, +1, +2, +3.

Easyy!

the value of m is equal to 2l+1 so there must beseven values for m.

m can have values from -l through zero to +l so the values are -3, -2, -1, 0, +1, +2 and +3.

PLEASE HELP!!

What is the reduction half-reaction for 2Mg + O2 —> 2MgO?

A) Mg -> Mg2+ + 2e-
B) O2 + 4e- -> 2O2-
C) Mg2+ + 2e- -> Mg
D) 2O2- -> O2 + 4e-

Answers

Answer:

O2 + 4e- -> 2O2-

Explanation:

You have to start by assigning the oxidation numbers, which eventually will lead to every atom of oxygen taking 2 electrons and every molecule of oxygen will take 4 electrons.

(you can ignore this explanation, my answer wasn't long enough).

A 6.00 g sample of an optically pure compound was dissolved in 40.0 mL of CCl4. The observed rotation was +3.30 °, measured in a 10.0 cm (1.00 dm) polarimeter tube.

Answers

The question is incomplete, the complete question is:

If a 6.00 g sample of an optically pure compound was dissolved in 40.0 mL of [tex]CCl_4[/tex] and the observed rotation was +3.30°, measured in a 10.0 cm (1.00 dm) polarimeter tube, how would one determine the specific rotation of the pure compound?

Answer: The specific rotation of the pure compound is [tex]+22^o[/tex]

Explanation:

To calculate the specific rotation of a pure compound, we use the equation:

[tex][\alpha]=\frac{\alpha_{\text{observed}}}{C\times l\text{( in dm)}}[/tex]

where,

[tex][\alpha][/tex] = specific rotation of a pure compound

[tex]\alpha_{\text{observed}}[/tex] = observed rotation of the compound = [ex]+3.30^o[/tex]

C = concentration in g/mL = 6.00 g/40 mL = 0.15 g/mL

l = path length = 1.00 dm

Putting values in above equation, we get:

[tex][\alpha]=\frac{+3.30^o}{0.15\times 1.0}[/tex]

[tex][\alpha]=+22^o[/tex]

Hence, the specific rotation of the pure compound is [tex]+22^o[/tex]

Which diagram shows a pair of electrons that have opposite spins?
O1
1
个个

Answers

Answer:

the answer is half arrow

What is the molarity of a solution of 58.7 grams of MgCl2 in 359 ml of solution?

Answers

Answer:

1.72 M

Explanation:

Molarity is the molar concentration of a solution. It can be calculated using the formula a follows:

Molarity = number of moles (n? ÷ volume (V)

According to the information provided in this question, the solution has 58.7 grams of MgCl2 in 359 ml of solution.

Using mole = mass/molar mass

Molar mass of MgCl2 = 24 + 35.5(2)

= 24 + 71

= 95g/mol

mole = 58.7g ÷ 95g/mol

mole = 0.618mol

Volume of solution = 359ml = 359/1000 = 0.359L

Molarity = 0.618mol ÷ 0.359L

Molarity = 1.72 M

30. Which two notations represent atoms that are isotopes of the same
element?
A) 31 Sn and 30°Sn
B) 581 Sn and 13 Sn
C) 3°O and LOF
D) 19 Cl and 18K

Answers

Answer: 581 Sn and 13 Sn

Explanation:

581 Sn and 13 Sn are both Sn which are the same element with different masses. Isotopes are same element with different masses and the elements can have different masses because of different number of neurons

list three common examples of solute​

Answers

Answer:

sugar, salt, oxygen

Explanation:

hope these work

Answer:

Examples of solutes include sugar, salt, oxygen, etc. There are numerous examples of solutions. For example, milk (solvent) and sugar (solute) make sweet milk. Air is made up of gases (oxygen, nitrogen, carbon dioxide, etc.).

Explanation:

what form of the ideal gas law would you use to calculate the volume of gas

Answers

Answer:

V = nRT/P

Explanation:

The ideal gas law states that

PV=nRT

where P = pressure, V = volume, n = number of moles, R = ideal gas constant, and T= temperature

P V = n R T

to get V on its own, divide both sides of the equation by P

V = (nRT)/P

Plz help it’s due very soon

Answers

Answer:

192g

Explanation:

so for this find out there moles of CH4 by moles=mass/mr

48/16=3 then use molar ratio 1:2 so times it by 2 which is 6 moles. then uses mass =moles*mr so 6*32=192g is the answer hope this helps to understand.

Answer:

64

Explanation:

CO(g) + 3 H2(g) → CH4(k) + H2O(g) + heat
The sign of AH is
The sign of AS is
The sign of AG is negative a low or high temperature?

Answers

Explanation:

AH is negative because the reaction gives out heat (exothermic).

AS is negative because the total entropy of the reactants is greater than that of the products (there are 4 moles of gas on reactant side compared to only 1 mole on the product side). Thus, the reactants are said to be "messier" than the products.

AG is negative at lower temperatures because at low temperatures, -TAS is more negative, resulting in the negative sign of AG.

Hope this helps.

another name for constant boiling mixture​

Answers

Answer:

Azeotrope

Explanation:

An azeotrope is a liquid mixture that has a constant boiling point and whose vapor has the same composition as the liquid

Another name for constant boiling mixture.

[tex]\sf\purple{Azeotrope.}[/tex] ✅

An azeotrope or a constant boiling point mixture is a mixture that has the same composition in liquid and vapour phase.

[tex]\large\mathfrak{{\pmb{\underline{\orange{Happy\:learning }}{\orange{!}}}}}[/tex]

PLEASE ANSWER! WILL GIVE A LOT OF POINTS! NEEDS EXPLANATION! NO LINKS OR I'LL REPORT!! PLEASE

distilling ethanol from a wine to determine the percentage of alcohol in a wine uses what type of property

physical property
bonding property
homeowner's property​

Answers

Answer:

Bonding property

Explanation:

Distillation deals with boiling solutions. Therefore the boiling point has a major part to play. Boiling point of a substance deals with the type of bonds present. For example water has hydrogen bonding which is a weak intermolecular force therefore the boiling point of water isn't that high. If we were to focus on an ionic compounds the boiling point would be higher because ionic compounds have ionic bonding which are stronger bonds which therefore requires more energy to break those bonds therefore a higher boiling point.

In this case for the ethanol to distill the property it's focusses on is the bonds. The strength of the bonds really.

What is the two major types of chemical bonding?

Answers

Answer:

Ionic bond and covalent bond

Explanation:

The two main types of chemical bonding are ionic bond and covalent bond.

In an ionic bond, there is a transfer of electrons from one atom to another. Usually from a metal to a nonmetal leading to the existence of an ion pair. Ionic compounds are soluble in water and have high melting and boiling points due to the strong electrostatic interaction between ions in the compound.

A covalent bond involves sharing of electrons between atoms. In an ordinary covalent bond, the shared electrons are furnished by the two bonding atoms while in a dative covalent bond, the two bonding electrons are furnished by only one of the bonding species.

¿Cual es la sustancia que puede causar la muerte? (Estoy poniendo cualquier cosa para registrarme) 3

Answers

Answer:

Veneno.

Explicación:

El veneno es la sustancia que puede causar la muerte porque el veneno destruye las células que entran en contacto con el veneno. Si el veneno causa menos daño por lo que no ocurre la muerte del paciente mientras que por otro lado, si el veneno entra en contacto con los órganos vitales y causa más destrucción, el paciente eventualmente morirá, por lo que podemos decir que las sustancias tóxicas y venenosas causan daño y muerte. de la gente.

Which equation represents natural transmutation?
A)238920 +23490Th + 42He
490Th
B)UFO + 6 Na →6 NaF + U
C) 2713A1 + 42He3015P+ lon
D) H2O + H+ + OH-

Answers

Answer:

answer is a

Explanation:

i hope this helps you

How many molecules of water vapor participate in the above reaction if 90 g of water vapor are available?

Answers

Answer:

can I see the reaction plz before I answer the question

Need the answer ASAP!!!

Select the correct answer.
A student puts a glass of water in the freezer. Later, he notices ice forming on the surface of the water. Which property of water best explains
why ice forms on its surface?
OA
Ice has more surface tension than liquid water,
OB.
Ice is less dense than liquid water.
OC.
Ice has a lower freezing point than liquid water.
OD
Ice is more cohesive than liquid water.
O E.
Ice can dissolve more oxygen than liquid water.

Answers

Answer:

The Ice is Less Dense than the Water

Explanation:

I just answered this one myself, and the explanation is also just that Ice isn't dense enough to sink.

What value is closest to the mass of the atom ?

Answers

Answer:

mass number

Explanation:

Answer and Explanation: The value closest to the mass of an atom is its mass number. The mass number is the total count of the protons and neutrons in the nucleus of the...

mass number

hope that helped

hyy guys.... can you plz writ me a journal plz ..... connection with science... any topic will be done today is my submition​

Answers

ur best try is to copy and paste and change some words.

which ancient African Kingdom is located in western Africa? ​

Answers

Answer:

Ghana Empire is was a kingdom in western Africa.

The Oyo Empire was the ancient African Kingdom is located in western Africa.

What is Oyo Empire?

The Oyo Empire prospered on regional trade and became a key facilitator in moving slaves from Africa's interior to the coast and waiting European sailing ships, with its capital at Old Oyo near the River.

The human trade was so extensive that this region of Africa became known simply as the "Slave Coast."

Finally, despite all efforts, the Oyo Empire became a protectorate of the United Kingdom in 1888; its states ceased to exist as a superpower, and it never regained its prominence in the region.

During the colonial period, however, the Yoruba were one of Africa's most urbanized groups.

Thus, the ancient African kingdom of the Oyo Empire was located in western Africa.

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chemistry help best answer gets marked brainly

Answers

Answer:

C. The final substance in beaker A is a pure substance while in Beaker B is a mixture

Explanation:

A pure substance is a substance that contains a constant and definite proportion of a single substance. Elements and compounds are the two known pure substances while mixtures are substances of different compositions mixed together.

In this question, two beakers; A and B are said to contain different substances. Beaker A contains elemental sulfur (S) that forms a yellow powder while beaker B contains sand and water. From the explanation above, the final substance in beaker A is a pure substance (element) while in beaker B is a mixture of sand and water.

the total energy gain of the ice cube and the resulting liquid water is blank joules​

Answers

Answer:

bro

Explanation:

bro

Answer: yes

Explanation:

Because of the mass

I'm having trouble with this one​

Answers

Answer:

1) 7 moles

2) 82.4 grams approximately

Complete the symbol equation for the preparation of sodium sulfate

Answers

2NaOH(aq) + H2SO4(aq) => Na2SO4(s) + 2H2O(l)

This is a neutralization reaction.

How many atoms are there in total in a molecule of sulfur trioxide SO3??​

Answers

Answer:

I got 1.14 mol So3 as the answer

hopefully if this could help

Given the reaction:
Ca + 2H,0→ Ca(OH)) + H2
How many moles of H,O are needed to exactly react with
2.0 moles of Ca

Answers

Answer:

4

Explanation:

because use the molar ratio of

ca:h2o

1:2

2;4

so u times it by 2 .

hope this helps:)

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