How many moles are in 9.12 x 1023 molecules of sugar?

Answers

Answer 1

Answer:

519

Explanation:

.......................

 How Many Moles Are In 9.12 X 1023 Molecules Of Sugar?

Related Questions

Please help This is for my chemistry class and I need to get it done but I’m lost and need answers

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Answer:

chlorine is a non metal.

sodium is a alkali metal.

helium is a noble gas.

nickel is a transition metal

Is it possible to move the atoms close enough that the nuclei come in contact?

Answers

Answer:

I believe not.

Explanation:

From what I have been told atoms can never come into contact beyond the electron barrier.

PLS HELP: Endocrine Organs Crossword

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the answer to 4 down is Adrenal

A disadvantage of disposing of waste polymers through _____ is that they must first be separated, which can be expensive. What is the missing word in this sentence?

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A disadvantage of disposing of waste polymers through recycling is that

they must first be separated.

Recycling is the process of forming new polymers and compounds as against their disposal .

Recycling involves separating the items into various sections such as paper,

plastic , metal etc. This is because they both undergo different recycling

processes.

The disadvantage of this process is that it's time consuming and also

expensive as a great amount of time and man power is needed to

separate the waste items.

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Is the gin world scary? ​

Answers

Answer:

Gin= Machine that picks cotton

Explanation:

This Machine was used in the early 1940s to help pick cotton to make things.

The energy released by a nuclear fusion reaction is produced when
1. energy is converted to mass
2. mass is converted to energy
3. heat is converted to temperature
4. temperature is converted to heat

Answers

Answer:

2

Explanation:

energy produced in nuclear fusion or even fission is due to mass defect and it can be calculated by Einstein equation e=mc2

The statement, that describes energy released by a nuclear fusion reaction is produced is "mass is converted to energy."

What is nuclear fusion?

Nuclear fusion is the process by which two light atomic nuclei merge to produce a single heavier one, releasing huge quantities of energy in the process.

A fusion reaction occurs when two light nuclei combine to form a single heavy nucleus. Because the overall mass of the resulting single nucleus is smaller than the mass of the two initial nuclei, the process releases energy.

That is, nuclear energy refers to the energy released as a result of mass loss during the nuclear fusion processes. Both of these processes transform mass loss into energy in accordance with Einstein's mass-energy ratio, E = [tex]mc^{2}[/tex]. As a result of the fusion reaction, mass is destroyed and energy is released.

Hence, the correct answer is 2.

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When pyridine is treated with a mixture of nitric and sulfuric acids, the major product is:.

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Answer: 3-nitropyridine

Explanation:

fork is a metal or nonmetal ?

Answers

It is a metal because forks are made from metals

8. Why are we focusing on high levels of ozone in the troposphere in this lab while in Lab 2 (Stratospheric Ozone) we focused on low concentrations of ozone in the stratosphere?

Answers

Answer:

f4

Explanation:

your welcome.

help asap for brainlist

Answers

Answer:

Function A: +3

Function B: +2

y intercept is greater in Function B, the value is 16

Explanation:

Valence electrons are electrons in the ? of an atom.

Answers

Answer:

Valence electrons are the outermost of  electrons.

Explanation:

valence electrons are the outermost electrons of an atom located in the shell/ orbit

What is an example of a polar molecule

Question 8 options:

A molecule that is made of ionic bonds like NaCl.


A molecule that is made of covalent bonds like sugar.


A molecule made of covalent bonds that has partial positive and partial negative charges in different areas of the atom.


A molecule made of ionic bonds that has strong positive and strong negative charges in different areas of the molecule.

Answers

Answer:

The two main classes of molecules are polar molecules and nonpolar molecules. Some molecules are clearly polar or nonpolar, while others fall somewhere on the spectrum between two classes. Here's a look at what polar and nonpolar mean, how to predict whether a molecule will be one or the other, and examples of representative compounds.

Explanation:

so its c

An example of polar molecule is a molecule made of covalent bonds that has partial positive and partial negative charges in different areas of the atom.

What is covalent bond?

Covalent bond is defined as a type of bond which is formed by the mutual sharing of electrons to form electron pairs between the two atoms.These electron pairs are called as bonding pairs or shared pair of electrons.

Due to the sharing of valence electrons , the atoms are able to achieve a stable electronic configuration . Covalent bonding involves many types of interactions like σ bonding,π bonding ,metal-to-metal bonding ,etc.

Sigma bonds are the strongest covalent bonds while the pi bonds are weaker covalent bonds .Covalent bonds are affected by electronegativities of the atoms present in the molecules.Compounds having covalent bonds have lower melting points as compared to those with ionic bonds.

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what is an environmental result from burning fossil fuels?

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Answer:

The burning of fossil fuels contributes to the addition of greenhouse gases to the atmosphere. These gases trap thermal energy in the Earth's atmosphere.

What is oxidation state?​

Answers

Answer:

a number assigned to an element in chemical combination which represents the number of electrons lost (or gained, if the number is negative), by an atom of that element in the compound

Explanation:

sodium, magnesium, iron is zero.

The definition of oxidation state is as follows: Oxidation state is a number given to the atom of an element when participating in a chemical reaction.

OXIDATION STATE:The atoms of elements are not always neutral i.e. carry no charge. They sometimes carry either positive or negative charges to become ions.

Ions can either be cations (positively charged) or anions (negatively charged). The amount of charges are represented by numbers placed as a superscript in front of the element involved.

These superscript charge assigned to a corresponding element during a chemical reaction is called oxidation state. The oxidation state of an element portrays the number of electrons gained or lost during the reaction.

Therefore, oxidation state can be defined as a number given to the atom of an element when participating in a chemical reaction.

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What is an electrolysis

Answers

They help keep you hydrated, so many athletes consume drinks like Gatorade and Powerade to keep them hydrated

Answer:

Definition of Electrolysis :-

Electrolysis, process by which electric current is passed through a substance to effect a chemical change. The process is carried out in an electrolytic cell, an apparatus consisting of positive and negative electrodes held apart and dipped into a solution containing positively and negatively charged ions.

Explanation:

Hope this helps you dear ✌️Carry on learning !!

Imagine a basketball filled with liquid water.Would the basketball still hold the same number of molecules? Can you use
22.4 L/mol as the molar volume for liquid water

Answers

Answer:

Yes !

Explanation:

The ball will have more molecules.

a basketball filled with liquid water. yes we use 22.4 L/mol as the molar volume for liquid water.

what are the properties of water ?

Water is the chemical substance having chemical formula H2O, one molecule of water consist of two hydrogen atoms which are covalently bonded to a single oxygen atom.

The physical property of Water are, it  is a colorless and tasteless liquid,  have extensive hydrogen bonds resulting in unusual properties in the condensed form.

This also have high melting and boiling points. As compared to other liquids, water has a higher specific heat, thermal conductivity, surface tension, dipole moment, etc.

Water is a great solvent and  helps in the transportation of ions and molecules required for metabolism, has high latent heat of vaporization helps in the regulation of body temperature.

It is Amphoteric nature can act as  both acid and base  means that it is amphoteric in nature, it is Electropositive elements which reduce water to hydrogen molecule and it is the source of hydrogen.

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Which chemical equation represents a redox reaction?
TiCl4(s) + 2H2O(g) – TiO2(s) + 4HCl(g)
--
CaO(s) + SiO2(s) – CaSiO3)

Fe2O3(s) + 2Al(s) — Al2O3(s) + 2Fe()
+
CaCO3(s) — Cao(s) + CO2(g)

Answers

Answer:

CaCO3 yields CaO + CO2

Exclamation

Since the Decomposition state of a redox involves a broken down compound, this equation proves that this is a DECOMPOSITION since it is being broken down.

what makes your pulse? Explain​

Answers

Blood flowing into and out your heart makes your pulse

The letter for element Q stands for "qualium." What would the compound in 1a be called?
(1 A)

Answers

Answer:

ooooooooooo0000000000000

In the reaction below the total mass of calcium in the reactants is 40. What is the total mass of calcium in the products?

Answers

Answer:

40

Explanation:

The total mass of calcium in the products is 40

What is the total mass number?

The mass number (represented by the letter A) is defined as the total number of protons and neutrons in an atom. Consider the table below, which shows data from the first six elements of the periodic table. Consider the element helium. Its atomic number is 2, so it has two protons in its nucleus.

How do you find the mass number?

Together, the number of protons and the number of neutrons determine an element's mass number: mass number = protons + neutrons. If you want to calculate how many neutrons an atom has, you can simply subtract the number of protons, or atomic number, from the mass number.

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Define valence electrons.

Answers

Answer:

Electrons on the outermost shell of an atom. They are responsible for the chemical properties of an atom.

Complete combustion of 6.4g of compound K produced 8.8 g of carbon dioxide and 7.2 g of water. Calculate the empirical formula of K. ​

Answers

Lh (x1)78.009+1= 0.0000567

How are covelant and ionic bonds different and what types of elements combine to form each?

Answers

Answer:

Ionic bonds result from the transfer of electrons from one atom to another

Explanation:

In covalent bonds, atoms share electrons, whereas in ionic bonds atoms transfer electrons. The reaction components of covalent bonds are electrically neutral, whereas for ionic bonds they are both charged.Covalent bonds are formed between two non-metals, whereas ionic bonds are formed between a metal and non-metal.  

Answer:

Covalent bonds are defined as sharing of electrons, ionic bonds are the result of transferred electrons;

Covalent bonds form between non-metals (elements) and ionic bonds form between metal and non-metals (ions)

bonding and kinetic energy quick check

1. The internal energy within a system associated with the motion of particles and that can be added to a substance is called (1 point)
o temperature
O kinetic energy
O thermal energy
O electrostatic forces

2. which statement describes the effect of adding more energy to a system, assuming a phase change does not occur?
0 the particles within the system will have greater motion and the temperature will increase
0 the particles within the system will have greater motion and the temperature will be grace
0 particles within the system will have less motion and the temperature will increase
0 the particles within the system will have less motion and the temperature will decrease

3. which statement correctly describes how a tractions that holds particles break
0 attractions occur due to gravitational forces when particles move fast enough these forces can no longer keep particles together
0 attractions due to Electrostatic forces when particles move fast enough these forces can no longer keep particles together
0 attractions due to electrostatic forces when particles have low enough energy these forces can no longer keep particles together
0 attractions occurred due to gravitational forces when particles have low enough energy these forces can no longer keep particles together

4. Which statement explains why a rubber band analogy is not a perfect comprehension for Bonds in a substance when considering phases change
0 for a phase change from solid to liquid the bonds do not break completely and particles can still slide past each other
0 for a phase change from liquid to gas the bonds do not break completely the particles can still slide past each other
0 for a phase change from liquid to gas the bonds break completely and of particles can independently of each other
0 phase change from solid to liquid the bond breaks completely particles can move independently of each other

5.the boiling point of benzene is 80°C. which pair of samples will have the same average kinetic energy of benzene molecules?
0 two samples of gaseous benzene, at 80°C and the other 90°C
0 two samples of liquid benzene, one at 70°C and the other at 80°
0 a sample of liquid benzene at 70°C and a sample of gaseous benzene at 90°C
0 a sample of liquid benzene at 80°C and a sample of gaseous benzene at 80°celectric ​

Answers

When energy is added to a system during phase change, the particles move faster.

When a substance is heated, the internal energy within a system associated with the motion of particles and that can be added to a substance is called thermal energy.

During a phase change, when more energy is added to the system, the particles within the system will have greater motion and the temperature will increase.

The attractions that hold molecules together are electrostatic forces. The correct statement about the attractions that hold particles is that attractions between particles break when  attractions due to Electrostatic forces when particles move fast enough these forces can no longer keep particles together.

Rubber band  is not a perfect comprehension for Bonds in a substance when considering phases change because for a phase change from liquid to gas the bonds do not break completely the particles can still slide past each other.

The pair of samples that will have the same average kinetic energy of benzene molecules is a sample of liquid benzene at 80°C and a sample of gaseous benzene at 80°C.

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How are traits inherited?

Please explain thoroughly

Answers

inherited traits are passed from parent to offspring according to the rules of Mendelian genetics. Most traits are not strictly determined by genes, but rather are influenced by both genes and environment

I have to answer questions about science

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Answer:

What Questions?

Explanation:

What Questions?

Answer:

Explanation:

What is the Questions frist ?

How many moles of iron are in 50.0g of iron? How many iron atoms are in 50.0g of iron?

Answers

Answer:

50g iron comprises 5.376 × 1023 atoms.

Explanation:

determine the ph of a buffer that is 0.55 M HNO2 and 0.75 M KNO2. tha value of Ka for HNO2 is 6.8*10^-4

Answers

Answer:

pH = 3.3

Explanation:

Buffer solutions minimize changes in pH when quantities of acid or base are added into the mix. The typical buffer composition is a weak electrolyte (wk acid or weak base) plus the salt of the weak electrolyte. On addition of acid or base to the buffer solution, the solution chemistry functions to remove the acid or base by reacting with the components of the buffer to shift the equilibrium of the weak electrolyte left or right to remove the excess hydronium ions or hydroxide ions is a way that results in very little change in pH of the system. One should note that buffer solutions do not prevent changes in pH but minimize changes in pH. If enough acid or base is added the buffer chemistry can be destroyed.

In this problem, the weak electrolyte is HNO₂(aq) and the salt is KNO₂(aq). In equation, the buffer solution is 0.55M HNO₂ ⇄ H⁺ + 0.75M KNO₂⁻ . The potassium ion is a spectator ion and does not enter into determination of the pH of the solution. The object is to determine the hydronium ion concentration (H⁺) and apply to the expression pH = -log[H⁺].

Solution using the I.C.E. table:

              HNO₂ ⇄    H⁺   +   KNO₂⁻

C(i)        0.55M       0M      0.75M

ΔC            -x            +x          +x

C(eq)  0.55M - x       x     0.75M + x    b/c [HNO₂] / Ka > 100, the x can be                                    

                                                             dropped giving ...

           ≅0.55M        x       ≅0.75M        

Ka = [H⁺][NO₂⁻]/[HNO₂] => [H⁺] = Ka · [HNO₂]/[NO₂⁻]

=> [H⁺] = 6.80x010⁻⁴(0.55) / (0.75) = 4.99 x 10⁻⁴M

pH = -log[H⁺] = -log(4.99 x 10⁻⁴) -(-3.3) = 3.3

Solution using the Henderson-Hasselbalch Equation:

pH = pKa + log[Base]/[Acid] = -log(Ka) + log[Base]/[Acid]

= -log(6.8 x 10⁻⁴) + log[(0.75M)/(0.55M)]

= -(-3.17) + 0.14 = 3.17 + 0.14 = 3.31 ≅ 3.3

Describe the two categories used to classify physical changes.

Answers

Answer:

Physical changes can be classified as reversible or irreversible. Melting is an example of a reversible physical change.

Explanation:

the distance between two successive peaks is called

Answers

wavelength-
the distance between two successive peaks on adjacent waves is its..
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